A piano of mass 852 kg is lifted to height of 3.5m how much gravitational potential energy is added to the piano acceleration due to the gravity is g=9.8 m/s2

A substance with a definite shape and volume is in which state of matter?

A car traveling at 30m/s screeches to a halt, leaving 55 m long skid marks. what was the cars acceleration while braking

A satellite in space experiences direct sunlight and heats up. During periods when it receives not direct sunlight, what happens

An object that is moving will stop moving when A. the force that is making it move stops pushing it. B. it has stopped speeding up. C. something pushes or pulls it to a stop. D. it has used up all its momentum.

While developing his periodic table, Dmitri Mendeleev broke his own rule and placed the element tellurium before iodine in the group. He did this even though tellurium's atomic mass was known to be greater than iodine's.

How much work is done by a 460 N force acting over a distance of 20.0m?

When two of the three variables are known the wave equation can be used to determine what

Find the total positive charge of all the proton in 5gm of water

Vector A has components Ax=1.30cm, Ay = 2.25cm; vector B has components Bx=4.10cm, By=-3.75cm. Find a. the components of the vector sum A+B; b. the magnitude and direction of vector A+B; c. the components of the vector difference B-A; d.

It takes 26.5 N to just pull a 72 kg sled across snow. What is the coefficient of friction?