An object is dropped from rest.

What is its instantaneous speed when it has

been in motion for 5 s? The acceleration of

gravity is 9.8 m/s?.

What is one harmful way friction affects a car

If the mass of a material is 44 grams and the volume of the material is 7 cm^3 what would the density of the material be

Cereal plants gain chemical potential energy as they grow. which form of energy is converted to create the chemical potential energy?

Your favorite cousin, who is 20 years old, has just been diagnosed with type 2 diabetes. He is overweight and spends most of his time playing computer games or watching television. As a health professional, what advice will you give him?

What is the relationship between mass and gravitational force between any two objects?

A student in her physics lab measures the standing-wave modes of a tube. The lowest frequency that makes a resonance is 20 Hz. As the frequency is increased, the next resonance is at 60 Hz. What will be the next resonance after this? A. 80 Hz B.

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. What force will make it fall to Earth if it goes too slowly?

A student hangs a balloon from a string then rubs it on their hair and releases it. They rub a second balloon on their hair then move it towards the hanging balloon the moving balloon moves away because ...

Plato and the Soul. A. Plato believed that our souls died with our physical bodies. B. Plato believes our souls were the shadows on the cave walls. C. Plato believed our souls did not exist.

A 1000 kg satellite and a 2000 kg satellite follow exactly the same orbit around the earth. What is the ratio F1/F2 of the gravitational force on the first satellite to that on the second satellite?