Acar has an engine which delivers a constant power. it accelerates from rest at time t = 0, and at t = t0 its acceleration is a0. what is its acceleration at t = 2t0? ignore energy loss due to friction.

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.