Aroller coaster car moving at a velocity of 30 meters/second has a momentum of 2.5 x 10^4 kilogram meters/second. what is its mass?

We know that in physics the momentum of an object is defined as the product of mass by the velocity of the object.

That is to say:

Where P is the momentum = kilograms meters/second

m is the mass

v is the object velocity = 30 m/s

In this problem we have the momentum of the roller coaster and its speed, but we want to find its mass. Then we divide the momentum between speed.

The mass is 833.33 kg

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

this means that the temperature of both substances will be equal