7. A constant force is applied to an object over time interval At. As At increases, the magnitude of the impulse O remains the same
O decreases
O increases

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

Which of these is the best way to manage a natural resource

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m