A ball is dropped from the top of an 80 m high building. How long will it take to hit the ground?

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

If a star is moving toward earth, it is

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical