18 Answered Questions for the topic Newton

#### Force on the biceps when throwing an object in the air

A waiter holds two plates of food in one hand. His forearmhas a mass of 2.2 kg and the centre of mass of his forearm is located 13 cm from his elbow joint. The centre of mass of the two plates is...
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03/20/21

#### Use Newton’s Method to approximate the positive zero of 2 sin x = x − 2 correctly to six decimal places

Use Newton’s Method to approximate the positive zero of 2sinx = x − 2 correctly to six decimal places

Newton

10/16/19

#### Newton's third law question

A 57.2 kg girl steps out of a 4 kg canoe. In doing so, she pushes the canoe backwards, accelerating the boat at 1.2 m/s/s. Determine the magnitude of the girl's acceleration.

05/03/19

#### Newtons 3. law. IF I use force on something and make it move, why don't I move as well?

This is not a homework question. Just a concept I read from my physics book that I can't get the hang of yet.Newtons 3. law Says for every action there is an equal but opposite reaction. Meaning if...
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11/13/18

#### Use Newton's Method to approximate the smallest positive solution of sin(x) + cos(x)=0

Use Newton's Method to approximate the smallest positive solution of sin(x) + cos(x)=0. Round x values to 5 decimal places.I got x1 = 1 + [sin(1)+cos(1)] / [cos(1) - sin(1)] = 2.7159Is this the...
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05/07/18

#### A satellite orbiting the earth has a speed of 5.5 km/s when its distance from the center of the earth is 11,000 km. Is the satellite in a bound orbit?

A satellite orbiting the earth has a speed of 5.5 km/s when its distance from the center of the earth is 11,000 km. Is the satellite in a bound orbit?
I have already calculated that the...
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#### Mechanics Question - Finding speed reduction time

A car of mass 1000 kg has its speed reduced from 81 km/h to 54 km/h by brakesproducing a force of 1250 N. How long does this take? Determine the work done bythe brakes on the car. Determine...
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Newton Physics

11/07/16

#### physics question

A 16.3kg box is accelerating down a 35° incline. What is the normal force on the box? Give your answer . . .in terms of Newtons. Do not include units in your answer. They will be assumed to be N.to...
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Newton Physics

06/01/16

#### Bathroom Scale: Motion

A 750-Newton man is standing on a bathroom scale in an elevator. When the elevator is moving, the man notices that the scale is reading 780 N. How would you describe the motion of the elevator?

03/17/16

#### The following questions refer to a pop-up toy with a mass of .35 kg. The toy’s spring compresses .04 m and has a spring constant of 4,500 N.

The following questions refer to a pop-up toy with a mass of .35 kg. The toy’s spring compresses .04 m and has a spring constant of 4,500 N.
1. What is the spring potential energy before the...
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03/07/16

#### Solving for Centripetal Force using an Free Body Diagram

Gabriella (75 kg) rides a roller coaster. What is her acceleration at the top of the vertical loop if she feels like her weight is 1200N?
What is Gabriella's acceleration at the...
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#### Answer question number nine please.

8.) A 1500-kg automobile, traveling at 5.0 m/s after braking, strikes a power pole and comes to a full stop in 0.1 s. Calculate the force exerted by the power pole and brakes required to stop the...
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09/18/15

#### A 150 pound person weighs 657 Newtons in the SI System. What is the person's mass?

A 150 pound person weighs 657 Newtons in the SI System. What is the person's mass?

#### newtons law of cooling

You are making pudding for a dinner party, and you put it in the refrigerator at 5 p.m. Your refrigerator maintains a constant temperature of 40 degrees. The pudding will be ready to serve when it...
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#### Please help me out with these 3 questions or as much as possible!! Thanks

does a planet travel faster when it is nearer the sun or farther from the sun?
what is the gravitational attraction between a dating couple sitting 0.152 m apart if the boy weighs 715 N and the...
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04/15/15

#### True or false: Newton's laws apply only to reference frames that are not accelerating.

True or false: Newton's laws apply only to reference frames that are not accelerating.

02/15/14

#### What level of acceleration does gravity give?

I was thinking about gravity and isn't it a meters per second per second per second acceleratory force? I mean, as you get close to an object's center of mass the force of gravity gets stronger,...
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