A ball is dropped from the roof of a building. If it takes the ball 2.6s to reach the ground, how tall is the building?

What is released when the nuclei of two smaller atoms fuse to form a larger atom? A) energy B) compound C) mass D) matter

If the earth's gravity were much less powerful our atmosphere would be similar to

Crystal of a chemical in a lab slowly disappear from their container they do not become liquid this is an example of which change of state

A particle is launched at an angle of 37° from horizontal. If the horizontal velocity component is 7.65 meters/second, what is the resultant velocity of the particle?

Consider the transition from the energy levels n = 3 to n = 6. what is the wavelength associated with this transition, in nm?

What is the result of a mutation during replication A: the strands are different B: the strands are identical c: the strands are broken D: the strands are continuous

What is ___ heating of a liquid__ gas to liquid

A gate in an irrigation canal is constructed in the form of a trapezoid 2 m wide at the bottom, 38 m wide at the top, and 2 m high. It is placed vertically in the canal so that the water just covers the gate.

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine

Why do you float in space