In the beginning of a car trip up north, the family car only goes 40 miles in the first 1.5 hours. What is the family car’s average velocity for this part of the trip?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s