A train takes 2h to reach station B from station A and 3h to return back to A. The distance between the station is 200km, then its average speed would be

Why is the combination of two protons and two neutrons stable, but two protons and one neutron is not?

A magnet of mass 0.20 kg is dropped from rest and falls vertically through a 35.0 cm copper tube. Eddy currents are induced, causing the copper to warm up. The speed of the magnet as it emerges from the tube is 1.10 m/s.

Andrea walked 1 block north and then 2 blocks west. How could you determine her total displacement

In an isolated system, bicycle 1 and bicycle 2, each with a mass of 30 kg, collide. bicycle 1 was moving to the right at 2 m/s, while bicycle 2 was moving to the left at 4 m/s. what is the magnitude of their combined momentum before the crash?

For safety concerning a curve, you should: A. decelerate before the curve B. accelerate while driving up the curve C. shift to a higher gear D. adjust your speed to the current road conditions

Scientific theories have strod the test of time and will not change

An 8 kilogram bowling ball is rolling in a straight line toward you. if its momentum is 16 kg * m/s, how fast is it traveling?

Explain why a moving object can be in equilibrium

Design an investigation to compare the durability of the three different brands

The surface area of the skin of a person who is 70 inches tall and weighs w pounds can be estimated by s (w) equals=342 w superscript 0.425342w0.425 , where s is in square inches.