5. An object is thrown into the air with initial velocity u = 35 m/s. Assume the acceleration of gravity has a value of g = 9.8 m/s?.
a) Find the maximum height of the object.
b) The object reaches maximum height and falls back to the ground. For how long was the
object in motion?

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

How will the system respond to a temperature increase?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.