I drop a penny from the top of the tower and it takes 1.85 seconds to hit the ground. What is the velocity in m/s

Which is a property of light a: mass b: density c: wavelength d: pitch

What is the difference between "exercise" and "physical activity"?

When we say the universe is expanding, we mean that:a. Everything in the universe is growing in size. b. The average distance between galaxies is growing with time. c. The universe is getting older.

With which field of science is Albert Einstein associated? biology chemistry medecine physics

What is a transverse wave

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

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?