An alien spacecraft flies directly over a football stadium at a speed of 0.50c. if the proper length of the field is 100 yards, what field length is measured by the crew of the alien spacecraft?

What is the 4th state of matter and it's properties?

Advantages of resonance in daily life

What is the acceleration of a 12 kg object if a force of 74.4 N acts on it?

What are the components of the vector with a magnitude of 65.0 and a direction of 101.7°

acky, wearing roller-skates, is standing beside his mailbox when his friend Davey skates by at a constant speed of 4m/s. Two seconds later, Jacky skates after his friend and accelerates uniformly at 2m/s. How long does it take Jacky to catch Davey?

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.