Anet force of +15 n changes the momentum of an object by +100 kg-m/s. what is the time over which the force is applied? ( ) a. 0.15 s b. 6.7 s c. 85 s d. 150 s

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?

The substances that are necessary for producing of certain hormones and that store and transport vitamins