If you are driving down the road, how do you know that the car is moving (think about your reference point)?

28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 s after launching. find (a) the height h of the cliff, (b) the speed of the stone just before impact at a, and (c) the maximum height h reached above the grou

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

What is the magnitude of the resultant vector round your answer to the nearest tenth