If a bicyclist has a mass of 70 KG and a velocity of 25M/S, what is the momentum of the bicyclist?

Why is it harder to get something moving than to keep it moving?

A wooden beam with a mass of 10.8 kg is supported by vertical supports at each end. If a 3.66 kg textbook is placed halfway between one of the supports and the middle of the wooden beam, what force must each support provide if everything is to

A car drives straight ahead for 12 km and then turns right and goes 5 km. If the car ends up directly north of its original position, what is its displacement? A. 7 km south B. 13 km north C. 17 km north D. 25 km south

What is the absolute magnitude of the sun?

if you put something like a piece of cardboard between a magnet and an iron nail the magnets to hold the nail in place even though the magnet is not touching the nail explain how that happens

If the number of particles of a gas is increased, the gas pressure will do what?

1. The sun and other stars produce visible light by a. fluorescence. b. luminescence. c. incandescence. d. electroluminescence.

What are gravitons?

Which of the following would be considered basic science questions? A. How can cars be made safer? B. What is the best way to improve a gas engine? C. Why do many birds have colorful feathers? D. What are the stages in the life cycle of a star?

Which description does the phrase "mechanical advantage" most closely relate to?