Which of the following energy forms is not involved in hitting a tennis ball? a. kinetic energy c. gravitational potential energy b. chemical potential energy d. elastic potential energy

I am a liquid if you mix me with water i float on top but if you mix me with gasoline i sink what am i.? options air alcohol aluminum cork cornsyrup diamond gasoline glycerin gold ice iron lead marble mercury rubber silver steel water

What is the significance of the boundary of an electron cloud?

A 24 kg child descends a 5.0 m high slide and reaches the ground with a speed of 2.8 m/s. What is the initial position of the child?

A ___ can only take place when the moon is in the new moon phase

The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the impulse that acted on it?

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww