HELP!!!
What is the mass of a cylinder of lead that is 2.50 cm in diameter, and 5.50 cm long. The density of lead is 11.4 g/cm3. Volume = h r2 (Show your work)

Answers

Answer 1

Density of cylinder = 11.4g/cm3

Volume of cylinder = h r2

but height (h) = 5.50cm

radius(r) = d/2 = 2.50/2 = 1.25cm

Hence Volume = 5.50 × (1.25)2

= 8.6cm3

Density = Mass/Volume

Hence Mass of the cylinder =

Density × Volume

Mass = 11.4 × 8.6 = 94.04g.


Related Questions

In which equation is y a nonlinear function of x

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Where are the equations?

Foam weather stripping is often placed in the frames of doors and
windows in a home. What effect does this weather stripping have?
The weather stripping increases heat transfer by radiation.
Heat is conducted quickly through the weather stripping.
The weather stripping reduces heat loss due to convection.
Heat can transfer through the weather stripping due to reflection

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Answer:

prevents weathering

Explanation:

Which of the following is the class of ingredient which is the base for most baked items?

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Answer:flour

Explanation:

how do simple machines make work easier
a.they increase the force needed to work
b.they add energy to work
c.they reduce the speed of work over a long period of time
d.they increase the distance over which a force is applied

Answers

Answer: The answer is D

Explanation:

I think it is

Answer:

D.

Explanation:

hope this helps, mark me brainliest! xo!

The collapse of the magnetic field inside the ignition coil happens as a
result of the interruption of current to the:​

Answers

Primary coil


See an example below

Why are scientists and engineers looking for ways to reduce our dependence on fossil fuels? Help

Answers

Fossil fuels when burned let out toxins and pollution in the air. Because of that scientists and engineers work together to find ways to not be so dependent on fossil fuels so we are not polluting our air.

A manufacturer has been asked to produce 100 customized metal discs with a particular pattern engraved on them. Which production process should be selected?

Answers

I’m just here for points because I have test and I need them lol

Answer:

Job Shop production

Explanation:

PLEASE HURRY!!!
Which option indicates the path Seth should take in the following scenario?
Seth graduated with a civil engineering degree. He wants to become a geotechnical engineer.

Seth should work for two years in the engineering field to gain experience.
Seth should obtain a bachelor’s degree in structural engineering.
Seth should study to pass his state’s written examination.
Seth should obtain a graduate degree in civil engineering.

Answers

Answer:

A

Explanation:

He should get a job in engineering to see what it's like to work in the field.

I can confirm that the answer is "Seth should work for two years in the engineering field to gain experience." :)

( On my own, I had put "Seth should obtain a graduate degree in civil engineering." as my answer and got the question wrong. It showed me that this was the correct answer. )

Armando is trying to decide how he will alert players that the game is over in the new video game that he is designing. He is considering showing a message that says “Game Over” or perhaps showing a scoreboard at the end. Which of the four elements is Armando working on in his GDD? operation obstacles outcome objective PLZZZZZZZZZZZZZZ HURFRY MT TEST IS TIMED

Answers

Answer:

if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {

   dx = -dx;

}

if(y + dy > canvas.height-ballRadius || y + dy < ballRadius) {

   dy = -dy;

}

var interval = setInterval(draw, 10);

if(y + dy < ballRadius) {

   dy = -dy;

} else if(y + dy > canvas.height-ballRadius) {

   alert("GAME OVER");

   document.location.reload();

   clearInterval(interval); // Needed for Chrome to end game

}

Answer:

sry im late but its outcome

Explanation:

it describes the end of the game and i got 100:

Imagine you have to create a pet robot that responds to touch. When someone touches or pets the head of the robot, the LED lights should blink. You have to create the robot head with legs. List the components and tools you will use to create this robot. Research online if required.

Answers

Answer:

ive been stuck on this for 30 minutes bro

Explanation:

Why did Jesus Christ die?

Answers

Answer:

I know my answer is dumb but I think he died because he was old.

Answer:

Jesus Christ died for our sins

Explanation:


When you are stopping your vehicle at an intersection with traffic lights

Answers

Answer:

you hit the breakes and wait till the light turns green and then turn on your blinkers im very sorry if this is wrong

Explanation:

:)

At some intersections, the traffic signals has been equipped with the sensors just to detect vehicles, and the traffic signal will only change if a vehicle facing the red traffic light stops at the stop line.

What is a traffic signal?

A traffic signal has been refers to the sign that has been erected just beside or above roads by the road safety agency, in order to give warnings and the instructions to road users such as the Driverers, the Passengers, or the Pedestrians.

At some intersections, the traffic signals has been equipped with the sensors just to detect vehicles, and the traffic signal are the programmed to the only change if a vehicle facing the red traffic light stops at the stop line.

Traffic at intersection could be complicated at the times. If the green light comes on after just a red light, you have the right of way to go, but you should be careful to only go when the intersection is clear to avoid an accident.

Therefore, At some intersections, the traffic signals has been equipped with the sensors just to detect vehicles, and the traffic signal will only change if a vehicle facing the red traffic light stops at the stop line.

Learn more about traffic light on:

https://brainly.com/question/29038476

#SPJ2

Your questions seems to be incomplete, the complete question is most probably is

At some intersections the traffic signals have sensors to detect vehicles, and the traffic signal will only change if A: At least two vehicles have stopped at the red traffic light. B: A vehicle facing the red traffic light stops 20 feet back from the stop line. C: A vehicle facing the red traffic light stops at the stop line.

what car do you like better

Answers

I like the orange and red one

The _____ plane is the plane in which the side of an object appears in

its true size and proportion.


This is for Drafting and Mech Drawing

Answers

Answer:

It is true

Explanation:

A circuit is a pathway for electron flow.
A. True
B. False

Higher voltage creates less current flow.
A. True
B. False

Which factor does not affect
resistance.
A. Wire color
B. Length
C. Wire diameter
D. Temperature
E. Material type

Resistance is measured in ohm’s
A. True
B. False

Voltage equals pressure
A. True
B. False

Amperage is the rate of electron flow
A. true
B. False


Answers

Answer:

True

False

Wire color

True

False

True

Division of labor means that one worker would now have to divide his or her time between a number of tasks.

A. True
B. False

Answers

True... I might be wrong so I would wait..

In order to lift a lighter object on the other side, a boy placed 155 N of
effort force through a vertical distance of 0.25 m. How far will the lever lift
the lighter object if the resistance distance is 3.5 m from the fulcrum and
the effort distance is 1.5 m from the fulcrum? *

Answers

Answer:

0.58 m

Explanation:

In order to find the vertical distance the load lifts, we first need to find the magnitude of the resistance force. So, Rd = Fd' where R = resistance force = ?, d = resistance distance = 3.5 m, F = effort force = 155 N and d' = effort distance = 1.5 m.

So R = Fd'/d = 155 N × 1.5 m/3.5 m = 232.5 Nm/3.5 m = 66.43 N  

Now, the vertical work done by the effort = vertical work done by load

Fy = Ry' where y = vertical distance moved by effort = 0.25 m and y' = vertical distance moved by resistance force

So, Fy = Ry'

y' = Fy/R

= 155 N 0.25 m/66.43 N

= 38.75 Nm/66.43 N

= 0.58 m

So, the vertical distance the lighter object moves is y' = 0.58 m

How can you drop two eggs the fewest amount of times, without them breaking?

Answers

you can use like a thickish paper but not to heavy and do it spiral and fall it with bubble paper and light things and then you spin it while you drop and it won’t crack

PLZ HELP ASAP!!!
Chan is creating a robot that will pick packed boxes in a supermarket. Which actuator will he use in the application?

A. R/C servo motor
B. stepper motor
C. DC motor
D. DC linear actuator

Answers

The correct answer is D. DC linear actuator.

A DC linear actuator converts a rotating motion into a linear motion, and is used to lift weights.

I took the test and got it right, so I hope this helps! :)

Drag each label to the correct location on the chart. Classify the organisms based on how they obtain food.

Answers

Autograph: Trees (Image 1), algae (Image 4), carrots (image 6)

Heterograph: Tiger (Image 2), deer (image 3), human (image 5)

Explanation:

The difference between autotroph and heterotroph organisms is the way they obtain energy. In the case of the first category, these include organisms that can produce energy by a process known as photosynthesis. This covers all plants and similar such as tress, algae, and carrots.

On the other hand, heterotrophic organisms cannot produce energy and need to feed on other organisms, which can include feeding on plants or animals. In this context, this category includes tigers because they feed on other animals, deer because they feed on plants, and humans because we feed on plants and animals.

Answer:

Autograph: Trees (Image 1), algae (Image 4), carrots (image 6)

Heterotroph: Tiger (Image 2), deer (image 3), human (image 5)

I hope this helps

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