What are 3 biggest things in the universe?

A bookcase has a mass of 37 kg. What is the weight of the bookcase?

When a car's wheels turn, the wheels push backward on the road. what is it that makes the car go forward?

What material has a mass of 241.25 while occupying 12.5cm^3 of space?

Two balls collide elastically the balls have masses of 3.4 and 5.7, if the 3.4 ball is moving at 10.5 m/s toward the other ball and the 5.7 kg ball is moving with a speed of 6.7 what are the final speeds of the balls?

How did humans decide how long a year should be

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.