Which of the following is speed? a. the time at which a bicycle slows down b. the length of a racetrack c. the path of an elevator d. the rate at which a person slides down a rope

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules