Evaluate the following statement and explain why it is either true or false: If a spacecraft could travel fast enough, it could reach the celestial sphere in about a month.

As the velocity of a runner increases, which type of energy also increases?

You are exploring a newly discovered planet. The radius of the planet is 7.20 * 107 m. You suspend a lead weight from the lower end of a light string that is 4.00 m long and has mass 0.0280 kg. You measure that it takes 0.

What is the magnitude of the force a charge 25uc exerts on a charge 3mc 35 cm away?

Two clowns are launched from the same spring-loaded circus cannon with the spring compressed the same distance each time. Clown A has a 40-kg mass; clown B a 60-kg mass. The relation between their kinetic energies at the instant of launch is

10 How are bacterial cells different from plant and animal cells? A Bacterial cells Bacterial cells contain many more cell organelles. Bacterial cells contain almost no cell organelles. Bacterial cells have more complex cell organelles.

Which of the following items are affected the most by the force of gravity? A. A tennis ball B. A golf ball C. A baseball D. A bowling ball

Cooling down after a workout allows the oxygen to continuing moving through the body and keeps the muscles from tightening up to fast

The force that slows down and eventually stops a ball you roll across the pavement is called

The force of friction on an object is dependent on two things. what are they?

Are the backbones of the DNA molecule identical in all living things? A. Yes B. No C. I don't know