A rock falls off a cliff and falls for 3 secs. How high was the cliff?

The simulation kept track of the variables and automatically recorded data on object displacement, velocity, and momentum.

The number of hours of daylight at any place on earth depends on

What is required in the making of hemoglobin

Why is alpha rays not suitable to scan baggage at the airport?

During which step of the scientific method do scientists usually record information from which they can draw a conclusion

A car travels 35.0 mph north for 1.00 hour, then 40.0 mph east for 0.0500 hour, and finally 50.0 mph northeast for 2.00 hours. Calculate the average speed.

A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there. A) How much work is being done to hold the beam in place? B) How much work was done to lift the beam?

If Light is shone through the slits of a card onto a sheet of white paper describe what is seen.

When you break a magnet in half, how many poles does each piece have? Explain.

What can you use to unscrew a tiny screw?