Which statement correctly describes magnetism?

A cart of mass 20 kg, initially at rest, is pushed with a net force of 40 N on a flat surface. If the cart is pushed 5 m, what is the final kinetic energy (KE) ? What is the final velocity? (Assume no heat losses.)

an egg (0.05 kg) hits the ground at a speed of 10 m/s and cracks. what was the momentum of the egg when it hit?

Where does most of the heat supplied to the ocean originate?

A car is moving at a constant 34 m/s for 7 seconds. What is the average acceleration of the car?

Light rays bend as they pass from air into water at an angle (not 90 degrees). This is refraction. Which quantity doesn't change when light refracts? 1. average speed of light 2. wavelength of light 3. index of refraction of the material 4.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light

Any object with mass exerts a force on any other object with mass. This force is called?

Is a light bulb considered construction