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

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

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...

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?...

Consider the following function values http://oi61.tinypic.com/msoiuc.jpg also given http://oi57.tinypic.com/2cxux5h.jpg a ) Set up a system of equations...

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...

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...

Define acceleration and Newton's Laws and discuss thoroughly how they apply specifically to roller coaster using physics terms.

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...

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,...

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

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

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...

Find the Interpolating Polynomial by using? a) Standard form b) Lagrange c) Newton x0 = 2 f(x) = 1 x1 = 4 f(x) = 0 x2 = 7 f(x) = -21/4

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...