A bike weighing 40kgs was picked up from the bike shop. He rode 4000m at 8m/s before realising it had a scratch on it  What was the force needed to move the bike?

a Car with a mass of 2000 kg is moving around a circular curve at a uniform velocity of 25 m/s the curve has a radius of 80 m what is a centripetal force on the car

Matter in which particles are arranged in repeating geometric patterns is a ___.

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

A right circular cone can be balanced on a horizontal surface in three different ways. Sketch these three equilibrium configurations, and identify them as positions of stable, unstable, or neutral equilibrium.

Which ball has the greater acceleration at the instant of release

What is the conversion of celcius to kelvin?

Why does the percentage of water vapor vary?

A situation that restricts something

Why is the sky blue all the time

Where did the rotational kinetic energy of the earth come from?