What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.

What causes high and low tides? A: The ocean's conveyor belt and refraction B: Earthquakes and volcanoes C: Cold and warm currents D: The moon's gravity and Earth's rotation

Charges may be transferred by:

What is the magnetic field in the middle of the capacitor plates at a distance d from the center, as a function of time t?

What does BED stand for? A. Bulimia Eating Disorder B. Binge Eating Disorder C. Binge Eating Disease D. Bulimia Eating Disease

How do you measure velocity?

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines