When the kinetic energy of an object changes, energy is transferred to or from the object.

According to Newton's first law, which characteristic of a moving object would remain constant if there were no other forces acting on it? size mass shape speed

A spring extends by. 16 meters when pulled with 20 N of Force. What is the Potential Energy in the spring at this extension? What is the work done to extend the spring. 16 meters?

A 2.2 kgkg block slides along a frictionless surface at 1.2 m/sm/s. A second block, sliding at a faster 4.0 m/sm/s, collides with the first from behind and sticks to it. The final velocity of the combined blocks is 1.8 m/sm/s?

What component of Star Wars is possible based on our current understanding of physics?

Which mechanical waves needs a medium to travel through?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases