If a spring stores 5 J of energy when it's compressed by 0.5 m, what is the
spring constant of the spring?
O
A. 800 N/m
O
B. 80 N/m
O
c. 40 N/m
O
D. 400 N/m

A1kg cart slams into a stationary 1kg cart at 2 m/s. the carts stick together and move forward at a speed of 1 m/sl. determine whether kinetic energy was conserved in the collision. use the law of conservation of energy to explain the collision

Which is not true about oxygen-17 and oxygen-18?

Blank liquids and gases exert a buoyant force on objects placed in them