To push a car 30 meters in 20 seconds takes approximately 4,500 joules of work. How much power is needed in joules per second ? *0.251,500.00225.007,500.00

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

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?

Carbon 14 is a naturally occurring stable