Round the value 23.731 g to three significant figures.

determine the number of significant figures in the measurement 0.007890 s.
express your answer numerically as an integer.

Asher cycles 12 miles in 16 hours. what is his speed?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.