If _______________ is disregarded all objects dropped near surface of planet fall with same acceleration.

Answer:

Explanation:

The formula for weight goes- Weight=Mass*Gravity

We need to re arrange the formula in order to find the mass

so, mass=w/g

~If the person is on Earth then we can substitue the official the value of gravity as 9.8m/s^2 (this value is fixed)

~ The weight given in this question is 7,056 kN , but we need the weight to be in Newtons for the formula to acc work. So converting  7,056 kN to newtons would give 7056000N. (Newton = Kilonewton * 1000)

Now all we need to do is compute these values-

M=  7056000/9.8

M=720000kg

Well, thats the ans

Answer:

distance traveled is a total length of the path traveled between two positions.

Answer:

protistia

Explanation:

Answer:

either its 12 or 0.402

Explanation:

Answer:

Friction is a force that opposes motion.

Answer:

20Kilowatt

Explanation:

Power is the rate of work done per time. It can be calculated using the formula:

Power = Energy/time

Energy = mass × acceleration due to gravity × height ÷ time

Power = mgh/t

Where;

m = mass (1000kg)

g = acceleration due to gravity (10m/s²)

h = height (10m)

t = time (s)

Power = 1000 × 10 × 10 ÷ 5

Power = 20000 watt

In kilowatt = 1000watt, the power is:

20Kilowatt or 20Kw

Answer:

the solid steel ball...more mass more weight more gravity

Explanation:

Answer:

Solid steel ball. It has more mass therefore more force will be acting on it.

Explanation:

Answer:

I think It's induced magnet

Explanation:

Because a magnet and non magnet can be chicken nuggets

If a magnet causes the atoms in a non-magnetic metal to line up and act like a magnet, the non magnet is said to be an induced magnet by the magnetic induction by a permanent magnet.

A permanent magnet is made of ferromagnetic materials which are having permanent magnetic properties. The magnetic field lines from permanent magnet always align with an applied magnet.

As in the case of dipole molecules capable of inducing a polarity to a nonpolar molecule, a magnetic field by a strong magnet can induce a magnetic property to a nonmagnet.

The induced magnetic field only reside in the object as long as the induction source is there. For example the a rotating electric filed causes magnetic moment in a nonmagnet.

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Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 438 × 2.55

We have the final answer as

Hope this helps you

Answer:

true matter takes up space and is anything that is around us

Answer:

You need to put the diagrams. repost and include the diagrams

Answer:

v₀ = 3.77 [m/s]

Explanation:

This problem can be solved in a simple way by means of the following equation of kinematics.

[tex]y=y_{o}+v_{o}*t+\frac{1}{2}*g*t^{2}[/tex]

where:

y - yo = 0.441 [m]

Vo = initial velocity [m/s]

g = gravity acceleration = 9.81 [m/s²]

t = time = 0.625 [s]

[tex]0.441 = v_{o}*(0.625)-\frac{1}{2} *9.81*(0.625)^{2} \\2.357 = v_{o}*0.625\\v_{o}=3.77[m/s][/tex]

Note: The sign of the acceleration is negative since the movement of the basketball player is against of the gravity acceleration.

Answer:

The water hits the wall at a height of 5.38 m

Explanation:

Projectile Motion

It's the type of motion that experiences an object projected near the Earth's surface and moves along a curved path exclusively under the action of gravity.

The object describes a parabolic path given by the equation:

[tex]{\displaystyle y=\tan(\theta )\cdot x-{\frac {g}{2v_{0}^{2}\cos ^{2}\theta }}\cdot x^{2}}[/tex]

Where:

y   = vertical displacement

x   = horizontal displacement

θ   = Elevation angle

vo = Initial speed

The hose projects a water current upwards at an angle of θ=40° at a speed vo=20 m/s.

The height at which the water hits a wall located at x=8 m from the hose is:

[tex]{\displaystyle y=\tan40^\circ\cdot 8-{\frac {9.8}{2*20^{2}\cos ^{2}40^\circ }}\cdot 8^{2}}[/tex]

Calculating:

y = 5.38 m

The water hits the wall at a height of 5.38 m

Answer:

D. Increases from pole to equator

Explanation:

I majored in Science

Answer:

Well it'll change our way of knowledge and more than likely, labor type of jobs that need people will no longer need them, as they don't get hurt, you don't have to pay them or anything like a human being. We'll probably have school online, our shopping online. It'll be a both good and bad thing for us.

Explanation:

Answer:

1. 12 g/cm³

2. 0.5 m

Explanation:

1.

The weight of the gold is 240 g

The volume is 20 cm³

Density = Mass/ volume

Density = 240 / 20 = 12 g/cm³

2.

The formula for moment of a force is ;

Force * distance perpendicular  between force and the turning point of force

Given that the moment of force is 12.5 Nm and force is 25 N  then the perpendicular distance between the force and the turning point will be;

12.5 = 25 * d

12.5/25 = d

0.5 = d

d= 0.5 m

Answer:

The component of the force due to gravity perpendicular and parallel to the slope is  113.4 N and 277.8 N respectively.

Explanation:

Force is any cause capable of modifying the state of motion or rest of a body or of producing a deformation in it. Any force can be decomposed into two vectors, so that the sum of both vectors matches the vector before decomposing. The decomposition of a force into its components can be done in any direction.

Taking into account the simple trigonometric relations, such as sine, cosine and tangent, the value of their components and the value of the angle of application, then the parallel and perpendicular components will be:

The component of the force due to gravity perpendicular and parallel to the slope is  113.4 N and 277.8 N respectively.

Answer:

3hrs is the answer

Explanation:

time=d/t

t=15/5 hrs

t=3 hrs

Answer:

acceleration = v-u /t

30- 20/5

= 10/5 = 2m/sec²

Force = mass * acceleration

Force = 0.1 * 2

Force = 0.2 Newton

Answer:

I hope the above pic will help you

I will always help you understanding your assingments

have a great day #Captainpower:)

Answer:

work done=392J

Explanation:

work done =Mgh

DATA

M=5kg

g= 9.8

h=8m

W=Mgh

W=5*9.8*8

W=392J

The work done by the gravitational force is equal to -400 J.

The gravitational force can be described as a force that attracts a body towards the center of the earth or any physical object that has mass. Every object has mass and exerts a gravitational pull on another object with mass.

Given, the mass of the container, m = 5 Kg

The height from the ground level, h = 8 m

The work done can be calculated by using the below-mentioned formula:

[tex]W = m\times g\times h[/tex]

Where g is the gravitational acceleration.

As the container is lifted in the upward direction therefore the value of the g will be negative.

Substitute the values of m, g, and h in the above formula:

W =  5 × (-10) × 8

W = -400 J.

The negative sign shows that the work is done against the gravitational force.

Therefore, the work done by the gravitational force is equal to -400 J.

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The required work done will be "6000 kg-m".

Work would be defined as an object's displacement whenever a force would be exerted to that as well, whereas energy is defined as the capacity to accomplish the work.

This then exists throughout a variety of forms, including potential, kinetic, biochemical, thermodynamic, nuclear, as well as direct current.

According to the question,

Mass, m = 500 kg

Distance, d = 12 m

We know the formula,

→ Work = Force x Distance

or,

→ W = F x D

By substituting the given values in the above formula, we get

      = [tex]500\times 12[/tex]

      = [tex]6000[/tex] kg-m

Thus the above answer is correct.

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Answer:

The net force acting on the wagon is 63 N

Explanation:

Net Force

According to the second Newton's law, the net force exerted by an external agent on an object of mass (m) is:

F = m.a

Where (a) is the acceleration of the object.

The wagon has a mass of m=42 Kg is accelerated at [tex]a=1.5\ m/s^2[/tex]. The net force is:

F = 42*1.5

F = 63 N

The net force acting on the wagon is 63 N

Answer:

C

Explanation:

???

i think

Answer:

Nanomagnetic chips.

Explanation:

In a computer, the hard disk drive chips are magnetic.

A non-volatile data storage device is a computer hard disk drive (HDD). Non-volatile storage devices are those that retain data even after being turned off. HDDs are merely one form of storage device, yet they are required by all computers.

Desktop computers, mobile phones, consumer gadgets, and enterprise storage arrays in data centers are frequently equipped with HDDs. They can use magnetic disks to store operating systems, applications, and other things.

Hence, Hard disk drive is belongs to one of those chips which at magnetic in nature.

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Answer:

x=45.92m

Explanation:

It's a pretty simple suvat linear projectile motion question, using the following equation and plugging in your values it's a pretty trivial calculation.

V^2=U^2+2*a*x

V=0 (as it is at max height)

U=30ms^-1 (initial speed)

a=-g /-9.8ms^-2 (as it is moving against gravity)

x is the variable you want to calculate (height)

0=30^2+2*(-9.8)*x

x=-30^2/2*-9.8

x=45.92m

With these questions it's best to just memorise the suvat equations and either draw or imagine the actions involved, that was you can tell what piece of given information translates to which variable. For example; I know that I am looking for max height, so when a ball is at its highest point, it can't be moving up anymore (thus V = 0). I also know that it is moving upwards against gravity, so gravity will be decelerating the ball (therefore a=-g). In a paper, it may as for assumptions with this question, a good answer would be no air resistance or movement due to any other external forces. I hope I helped :)

Answer:

By applying the law of conservation of energy, we can write the following equation.

Gain in potential energy =loss in kinetic energy.

mgh = 1/2(mu^2)

Where, the symbols represent usual quantities.

Hence, h = u^2/2g = 30^2/2x10 = 900/20

= 45 m

Hence, the maximum height attained is 45 m.

Alternative method:

v^2 = u^2 +2gh

0 = 30^2 +2(-10)h, at the highest point v=0

20h = 900

h = 900/20 = 45 m

Answer:

B

Explanation:

I hope this helps!!! <3

Answer:

B.......

Explanation:

Hope this helped

Answer:

0.1 L

Explanation:

From the question given above, we obtained the following data:

Initial volume (V₁) = 0.05 L

Initial Pressure (P₁) = 207 KPa

Final pressure (P₂) = 101 KPa

Final volume (V₂) =?

We can obtain the new volume (i.e the final volume) of the gas by using the Boyle's law equation as illustrated below:

P₁V₁ = P₂V₂

207 × 0.05 = 101 × V₂

10.35 = 101 × V₂

Divide both side by 101

V₂ = 10.35 / 101

V₂ = 0.1 L

Thus, the new volume of the gas is 0.1 L