Four vehicles are traveling on the same road. Which vehicle most likely has the greatest. Kinetic energy?

How many electrons are in the third energy level

A parallel-plate capacitor is made from two aluminum-foil sheets, each 5.5 cm wide and 5.0 m long. Between the sheets is a Teflon strip of the same width and length that is 3.3*10-2 mm thick.

In billiards, the 0.165 kg cue ball is hit toward the 0.155 kg eight ball, which is stationary. The cue ball travels at 5.8 m/s [forward], and after the impact, rolls away at an angle of 35.

An 800 kg car is moving at 32 m/s when it hits the afterburner. The after burner applies a 180,000 N force for 25 seconds. What is the rockets final speed?

What force is needed to accelerate a 2000kg car to 15m/S2

A 0.0010-kg pellet is fired at a speed of 50.0m/s at a motionless 0.35-kg piece of balsa wood. When the pellet hits the wood, it sticks in the wood and they slide off together. With what speed do they slide?

Jim measures the count rate of a sample of americium-241 as 120cpm. Roughly how long would it take for the count rate to fall below 4 cpm. Show your working

Explain and give an example of newtons 3rd law of motion

Which term best describes the two substances that react to form salt?

An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, and hits the ground in 10 seconds.