A 1.0 kg ball is thrown into the air with an initial velocity of 30 m/s. How much kinetic energy does the ball have?

Which term describes the energy of motion?

Because the earth's orbit is slightly elliptical, the earth actually gets closer to the sun during part of the year. When the earth is closer to the sun its orbital speed is

Why are radio waves considered harmless while ultraviolet waves and x-rats considered harmful

Which object absorbs the most visible light? O a clear bowl O a white rock O a black t-shirt O a red apple

Masses in the universe curve space-time. What does the resulting shape of space-time cause? a. equilibrium (not the answer) b. friction c. length contraction d. gravity

A transformer has a primary coil with 700 turns and a secondary coil with 350 turns. If the output voltage is 410 volts, what is the input voltage? * a.) 245,000 Volts b.) 205 Volts c.) 2 Volts d.) 820 Volts

Your odometer of your car says 54 123 miles when you start your trip, your watch says 9 45 AM When you get to your estination the odometer says 54 miles and your watch says 11 45 AM What is your average velocity (assuming you were traveling due

Briefly explain how an electric motor works.

When is a hypothesis developed in the scientific method? before there is a question after a question has been identified and observations are made after an experiment if the experiment justifies one

Interactive LearningWare 4.1 reviews the approach taken in problems such as this one. A 1800-kg car is traveling with a speed of 14.0 m/s.