A man is walking while riding a train. He says he is moving at 2 mph. A woman standing on a platform at a train station says the man on the train is moving at 72 mph. Which person is correct?

What is the length of time from new moon to first quarter

1. Your are given the circuit below which contains four resistors R1 = 1.0., R2 = 4.0., R3 = 4.0., R4 = 5.0., and one capacitor C1 = 2.0 µF.

Does a stretch spring and a box high on a shelf have potential energy

What is the maximum value of the electric field in an electromagnetic wave whose average intensity is 4.50 w/m2?

Drugs that break down a psychological barrier against doing other drugs are known as A industrial drugs B gateway drug C first use of drugs

16. Which method is used to deliver heat in most central heating systems? O conduction O convection O radiation

I throw a ball upwards. Which of the following is a true statement? A. At the top of its climb, its velocity will be 9.8 m/s2 B. At the top of its climb, its acceleration will go to 0. C. At the top of its climb, its velocity will go to 0. D.

The presently accepted value of the hubble constant gives an age of

Using Newton's laws, describe what happens to your body when you get in a car crash. Why is important to wear a seat belt and have airbags?

What is black matter?