2. harry is pushing a car down a level road at 2.0 m/s with a force of 243 n. the total force
acting on the car in the opposite direction, including road friction and air resistance, is which of
the following?
a) more than 243 n.
b) equal to 243 n.
c) less than 243 n.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

What causes the formation of ocean currents?