Question 5 of 10 Which two factors affect the amount of thermal energy an object has? A. The amount of space between its particles B. The mass of the object C. The amount of motion its particles have D. The directions in which its particles are moving
Answers
Answer: A: The Mass of Object AND D. The amount of motion it’s particles have
Related Questions
which of the following objects has no net force acting upon it
Answers
Answer:
D and object with constant velocity
According to this graph, the acceleration
is approximately:
Velocity (m/s)
MN
0
1 2 3 4
Time t(s)
5
A. 4 m/s2
B. 2 m/s2
C. 1 m/s2
D. 3 m/s2
Answers
Answer:
1 m/s^2
Explanation:
a=(v-u)/t
where,
a=acceleration
v=final velocity
u=initial velocity
(4.5-0)/4.5
1 m/s^2
I have worked with so many writers who worry their
inconsistent memory is not sharp enough, exact enough, or
reliable enough for them to capture childhood moments with
any authority, and, of course, science had proven the fallibility
of memory time and time again.
O NO CHANGE
O has proven
O had proved
O proved
Help
Answers
Answer:
has proven had proved proved no change
Answer:
I believe it's the second option "has proven"
Explanation:
It just sounds like it fits better.
Sorry if it's wrong btw.
what the kinetic energy quantities in calculation pls help me
Answers
Answer:
KE = 0.5 * m * v², where: m - mass, v - velocity.
Explanation:
In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s 2.
physics
what are the two correct choices??
choice1
- insulating
- neutral
- large
- conductive
choice2
- potential energy
- potential difference
- charge
- electric potential
Answers
Answer:
3 and 2
May be
ok may be subscribeIsenberg Isenberg Ignatius
how much is a city of a body when it covers 600m in 5 min?
it is an answer : 2 m/s
i don't know sloution
Answers
Answer:
2m/s
Explanation:
5min × 60sec
=300
now,
600÷300
=2
Suppose you have a pendulum clock that keeps correct time on Earth (acceleration due to
gravity = 9.8 m/s
2
). Without changing the clock, you take it to the Moon (acceleration due to
gravity = 1.6 m/s
2
). For every hour interval (on Earth) the Moon clock will record
Answers
how does a second class lever make our work easier
Answers
Answer:
In a second class lever, the load is located between the effort and the fulcrum. If the load is closer to the fulcrum than the effort, then less effort will be required to move the load. If the load is closer to the effort than the fulcrum, then more effort will be required to move the load.
Explanation:
from what i learned, if its farther away from the load, its easier to lift, like a wheel barrel
As a falling apple, approaches the ground, its potential energy
Answers
Answer:
Decreases.
Explanation:
When an object with potential energy falls to the ground, its potential energy decreases and kinetic energy increases.
How is the diametre of a spherical body measured? Explain
Answers
Answer:
To measure diameter of a spherical body using Vernier Callipers.A small, movable auxiliary graduated scale attached parallel to a main graduated scale and calibrated to indicate fractional parts of the subdivisions of the larger scale.It is useful tool to measure spherical body.Diameter of a sphere=d = 2 * r , Surface area of a sphere: A = 4 * π * r² , Volume of a sphere: V = 4/3 * π * r³ , Surface to volume ratio of a sphere: A / V = 3 / r .
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1. Imagine that you design running shoes for a living. Which biometric would be most useful?
A.
the average weight of a runner
B.
the number of runners in a popular urban area
C.
the points of impact when the foot hits the ground
D.
the distance that beginning runners attempt to finish
2. Mike is studying the differences between the body mechanics of swimmers in pools versus open water. What is his focus on?
A.
statics
B.
dualism
C.
statistics
D.
dynamics
3. What is the potential hazard of failing to use equipment correctly at the gym?
A.
It is poor gym etiquette.
B.
It can cause injuries or pulled muscles.
C.
Poor exercise habits can actually cause stress.
D.
The exercise will not release endorphins if you do it wrong.
4. Ira is concerned about his posture. He tests it by seeing how long he can hold good posture and finds that he feels the most discomfort in his back. What does that suggest that he needs to do?
A.
Keep a neutral spine.
B.
Place his hands on his hips.
C.
Arc his back when he walks.
D.
Tuck his chin close to his chest.
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Answers
Answer: Like marathon runner is about 140 pounds
Explanation:
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Exercise builds muscles because it causes them to contract. If this is the case, would massage, which causes them to relax, also be a way of building muscle?
A.
No, massage does not have any health benefits.
B.
Yes, any working with muscles makes them stronger.
C.
Yes, massage begins when the muscles are very tight.
D.
No, the contraction is where building strength comes from.
2. Maleek wants to do some push-ups to build the eccentric muscles in his arms. What is the BEST advice for him?
A.
He needs to do as many as possible quickly since speed is the key.
B.
Be sure to hold the push-up at the top to get the maximum benefit.
C.
Do pull-ups since push-ups do not work the eccentric muscles in the arms.
D.
The lower he goes with his push-up, the more eccentric benefits he will get.
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Answers
the first one is D No, the contraction is where building strength comes from.
the second one is C Do pull-ups since push-ups do not work the eccentric muscles in the arms.
un auto recorre 212 km en un tiempo de 3.1 h.Calcular su rapidez en m/s
Answers
Para hacerlo a m/s un método muy práctico es sólo dividir entre 3.6, por cuestiones de conversiones, lo puedes comprobar.
212 km/hr /3.6 = 58 m/s
Comprobación :
V= d / t
V= 212 m / 18000 seg <---- nota que aquí los segundos son de las 3.1hrs
V= 58 m/seg
Suppose two ships start from point B and travel west. One ship travels at an average velocity of 35 km/h for 2.2 h. Another ship travels at an average velocity of 26 km/h for
2.5 h. What is the final position of each ship?
Answers
Answer:
Another ship travels at an average velocity of 26 km/h for
Explanation:
Ship one will cover a distance of 77 km after 2.2 hours and ship two will cover a distance of 65 km after 2.5 hours.
What are average speed and velocity?The average speed of an object is the average distance it covers in a given length of time. The scalar number reflects the average speed. Direction can be replaced with magnitude.
[tex]Average\ speed=Total\ distance/Total\ time[/tex]
Average velocity is a vector quantity. The change in position or displacement divided by the periods of time during which the change occurs is known as average velocity. Depending on how the displacement has been adjusted, the average velocity could be either positive or negative. Meters per second (m/s), or average velocity, is the SI measure for speed.
[tex]Average\ Velocity=Total\ displacement/Total\ time[/tex]
According to the question,
Ship one has an average velocity of 35 km/h for 2.2 hours.
So, total distance covered by ship one = 35 × 2.2 = 77 km.
Ship one has an average velocity of 26 km/h for 2.5 hours.
So, total distance covered by ship one = 26 × 2.5 = 65 km
Hence, the distance covered by ship one is 77 km and ship two will cover 65 km.
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if you enter a room where there is a rotten egg how can you tell
Answers
Answer:
You would smell it.
What do you think causes the rising and sinking of molten rock in the mantle?
Answers
Answer:
Heyyy hope this helps
Convection currents describe the rising, spread, and sinking of gas, liquid, or molten material caused by the application of heat.
Which metals have similar chemical properties? Check all that apply.
Answers
Answer:
yes
Explanation:
When does it have kinetic energy
Answers
calculate the volume of a spare with radius 7cm
Answers
Answer:
around 1436.76 cm^3
Explanation:
v = 4/3(3.14)7^3
v = 4/3(3.14)343
v = 4/3(1077.02)
v = 1436.02666667
round up
v = 1436.027
if you use pi, then the answer would be around 1436.76 cm^3
what the speed and kinetic energy
Answers
Answer:
softball＝29.680365296803654
＝29.68/s
horse＝0.8km/m
satellite＝184.028km/m
Explanation:
distance/time
You can tell if something’s a living thing or not by checking if it has?
Answers
Explanation:
To determine whether something is living or nonliving, a living thing must meet seven specific characteristics: feeding, movement, respiration, excretion, growth, sensitivity, and reproduction. A living organism needs to be able to feed to make energy and grow.
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Two coins, made of different material, are placed next to each other so that they are touching. Both coins are 15mm in diameter. One coin has a mass of 6.5 g and the gravitational force between the coins is 4.03 × 10^-11 N
Answers
The mass of the second coin for the given gravitation force is 20.9 g.
The given parameters;
distance between the two coins, r = 15 mm = 0.015 mmass of one coin, m₁ = 6.5 g = 0.0065 kggravitational force between the coins = 4.03 × 10⁻¹¹ NThe mass of the second coin is determined by applying Newton's law of universal gravitation as shown below;
[tex]F = \frac{Gm_1 m_2 }{R^2} \\\\m_2 = \frac{FR^2}{Gm_1} \\\\m_2 = \frac{(4.03 \times 10^{-11}) \times (0.015)^2}{(6.67 \times 10^{-11}) \times (0.0065)} \\\\m_2 = 0.0209 \ kg\\\\m_2 = 20.9 \ g[/tex]
Thus, the mass of the second coin for the given gravitation force is 20.9 g.
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A projectile is fired from the ground at a velocity of 30.0 m/s, 35.0 º from the horizontal. What is the maximum height the projectile reaches in the air? How far away from the point it was fired does it hit the ground? What is the time the projectile is in the air?
Answers
Answer:
Vy = V sin theta = 30 * ,574 = 17.2 m/s
t1 = 17.2 / 9.8 = 1.76 sec to reach max height
Max height = 17.2 * 1.76 - 1/2 * 4.9 * 1.76^2 = 15.1 m
H = V t - 1/2 g t^2 = 1.2 * 9.8 * 1.76^2 = 15.1 m
Time to fall from zero speed to ground = rise time = 1.76 sec
Vx = V cos 35 = 24.6 m / sec horizontal speed
Time in air = 1.76 * 2 = 3.52 sec before returning to ground
S = 24.6 * 3.52 = 86.6 m
Below is a diagram of a weight on a spring. When the weight is pulled down and then released, the spring compresses and expands. Each position indicates a different point in time.
Which of the following statements is true?
a
In all four positions, mechanical energy is 0 J.
b
The elastic potential energy of the spring at Position 2 is converted to kinetic energy.
c
The chemical potential energy of the spring is greatest at Position 4.
d
In all four positions, the gravitational potential energy of the spring is the same.
Answers
Answer:
B.
Explanation:
The elastic potential energy of the spriy at position 2 is converted to kinetic energy.
The elastic potential energy of the spring at Position 2 is converted to kinetic energy. Option (B) is correct.
What is potential energy?The energy held within an object is known as potential energy. There are several different types of potential energy, including gravitational potential energy, elastic potential energy, and electric potential energy.
Here, the energy that an object possesses as a result of its position in relation to other objects is referred to as its gravitational potential energy.
Elastic potential energy is the energy that an object possesses as a result of the stresses that exist inside its body.
At Position 2, the elastic potential energy of the spring is converted to kinetic energy.
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ultraviolet light destroys which vitamin essential for cell division?
Answers
Answer:
Both Vitamin D and folate level are affected by UV radiation from sunlight.
Explanation:
the emission of electrons from metals that have absorbed photons is called the
Answers
Answer:
The answer to your question is the Photoelectric effect.
Explanation:
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Answers
A train travels 120 miles in 2.5 hours. What is its average speed?
Answers
Answer: 48 mph
Explanation: 48*2.5=120
22. Calculate the displacement in meters a cyclist would travel in 5.00 h at an average
of 12.0 km/h to the south west
Answers
Explanation:
To whichever direction, if the cyclist did not change the direction, the displacement is
By formula :d=v×t
given, v=12km/h and, t=5h
=>
x=12km/h×5h=60km=60×1000m=60000m
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1. Marina comes from a family with a lot of heart disease. She knows that she will have to go out of her way to make sure that her heart stays strong and healthy. What would be the BEST exercise to achieve this goal?
A.
yoga
B.
bowling
C.
swimming
D.
weightlifting
2. Alicia’s coach thinks that she should try some interval training so that she can get some anaerobic activity. Which of these would be BEST for Alicia to add to her routine?
A.
biking with occasional sprints
B.
meditation several times a day
C.
taking stairs instead of escalators
D.
running at a steady pace for miles
3. You should be very ambitious when setting personal goals for health.
A.
True
B.
False
4. Imagine that you are going to make an exercise routine. If your goal was to develop your health rather than one specific improvement, what should be in your plan?
A.
a focus on the benefits of stretching
B.
a variety of aerobic and anaerobic exercises
C.
a single exercise with increasing intensity
D.
an exercise that you have never tried before
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Answers
Answer:
1) C.
swimming
2) A.
biking with occasional sprints
3) A.
True
4) B.
a variety of aerobic and anaerobic exercises
Explanation: