A boy and girl on ice skates face each other. the girl has a mass of 20 kg and the boy has a mass of 30 kg. the boy pushes the girl backward at a speed of 3.0 m/s as a result of the push the speed of the boy is

Describe the seasons on the planet Uranus.

Which statement is a scientific theory? the acceleration of an object increases as the force on an object increases. all matter is made up of particles, called atoms, that are constantly moving.

A rock with mass m = 3.60 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 15.

Which of the following statements correctly described natural electric fields? Thunder is evidence of electric fields in the atmosphere.

1. An object in free fall will have an initial velocity equal to zero when: a. It is thrown vertically down b. It is dropped c. It's thrown up d. It is released horizontally

For each case, identify the force (including its direction) that causes the acceleration. (a) A sprinter at the very start of the race.

Select the effects of radiation below that are stochastic: associated with short-term, high-level exposure associated with long-term, low-level exposure include cancer and other DNA mutation include burns and radiation sickness

On the modern periodic table, elements are ordered according to what?

Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time.

How is Electric current able to flow?