A boulder weighs 300 kg. Calculate the potential energy of the boulder that is sitting on the edge of a cliff at a height of
15 m. (g = 9.8 m/s2)
PE = mgh
KE = 1/2my2
PE + KE = PE + KE

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Which sound characteristic is not affected by the relative motion of an object