As energy in the form of heat is added to an ice cube, it begins to melt. what causes melting?

Which triangle side lengths form a right triangle? Choose all that apply. A. 5,6,7 B. 6,8,14 C. 8,15,17 D. 10,12,15 E. 15,20,25 F. 16,18,20

A heavy object is dropped From a vertical height of 8.0 m. What is it's spend when it hits the ground?

How fast do hummingbirds fly? Why is the question a scientific question?

What are the functions of proteins in organisms?

An object with mass of 6.0kg accelerates 4.0m/s2 when an unknown force is applied to it what is the amount of the force

A liquid filled sealed system has cylinders with movable pistons on each end. The face of one piston has an area of 5 cm². The other piston has an area of 500 cm² and is supporting a weight of 2 kN on it.

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

A cheetah can run from 0 to 70 mph in 2.2 seconds. what is the cheetah's top speed in m/s?

Which statement about how light travels is true? A Light waves need a medium to travel, and they travel at the same speed even if the light source is moving.

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N