You are standing on the school balcony 5 m above the floor it was a stone up into the air at speed of 18 m per 2nd the stone free falls and eventually land on the 1st floor below you. A. How far above the ground will the stone be at the top of its path? B. What was the velocity of the stone as it reaches the ground? C. How much time did it take the stone to free fall fr ok m the moment you let go until it hit the ground?

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?

What is an example of static friction