In which of these situations would there be the least kinetic energy?

a. A car rolling down hill

b. A train barely moving along the tracks

c. A truck rolling down hill

d. There is not enough information to answer this.

A 55 kg ice skater is gliding along at 3.5 m/s. Five seconds later her speed has dropped to 2.8m/s. What is the magnitude of the kinetic friction acting on her skates?

What best describes how energy changes form in a car's engine

A box with an open top has vertical sides, a square bottom, and a volume of 32 cubic meters. if the box has the least possible surface area, find its dimensions. (in your answer leave a space between the number and the unit.

Your friend asks you for a glass of water and you bring her 5 milimeter of water? is this more or less than what she was probably expecting? Explain

If a girl is standing still and holding a box, is she doing any work? Why or why not?

Suppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m2. It is stretched to have no area in 0.100 s.

A yummy glazed doughnut is shown above. 1) where is the center of mass of this fantastic culinary delight? in the center of the hole. somewhere inside the solid part of the doughnut the center of mass is not defined in cases where mass is missing.

10. Explain the difference between the short-term effects of concussions and some of the long-term effects that scientists are recently discovering.

Like the polar bear, the walrus is a strong swimmer, although it does not have the same endurance. For short periods of time, a walrus can swim at an average speed of 9.7 m/s. How far would a walrus swim at this speed in 3.4 minutes?

How did Einstein's and Newton's theories differ in terms of explaining the cause of gravity?