What is the height of a building (in meters) if it takes a rock 3.8 seconds to drop from its roof?

Explain why dogs pant during hot summer days using the evaporation concept?

Newton's law of universal gravitation states that every object in the universe attracts every other object. true or false.

If an astronaut moved away from the earth towards the moon, how would the gravitational forces between the earth and the astronaut change? How would the gravitational forces between the moon and the astronaut change?

Which scientist saw the atom as a positively charged sphere with negative particles (electrons) embedded within?

Select the correct answer. Which situation may cause delayed rigor mortis? A. The victim was found in the summer during a heat wave. B. The victim died a violent death. C. The victim was sleeping at the time of death. OD. The victim died of cancer.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?