A projectile is shot from the surface of earth by means of a very powerful cannon. if the projectile reaches a height of 100.0 km above earth's surface, what was the speed of the projectile when it left the cannon?

A proton moving in a region of a space does not experience any acceleration in the direction of motion.

When saturated solutions are what, they usually become unsaturated solutions

Which statement accurately represents the arrangement of electrons in Bohr's atomic model?

1. Suppose that you have a mass of 45.7 kg and are standing on frictionless roller skates. Someone then throws you a 2.50 kg mass with a velocity of 14.5 m/s and you catch it. What will be your resultant velocity? (0.75 m/s)

Which statement is an observation from Newton's experiments with light? White light becomes a range of colors after passing through a prism. A prism adds a range of colors to white light. Newton asked questions about the makeup of white light.

3. A stone is thrown upward at an angle. What happens to the horizontal component of its velocity as it rises

An arc welder provides 250A of current when operating with a voltage of 40V. What is the power required by this welder? Explain your answer.

How do you say scuba dive in spanish

a boy hears the echo of his own voice from a distance hill after 0.8 seconds. If the speed of sound in air is 340m/s, calculate the distance of the hill from the boy.

Which of the following are found in plant cells buh not animal cells?