A ball is released from the top of a hill. How fast is the ball going when it reaches the base of the hill? Approximate g as 10 m/s2 and round the answer to the nearest tenth.

Hat are the basic vfr weather minima required to takeoff from the onawa, ia (k36) airport during the day?

Problem 9) If you had light of wavelength 700nm when emitted, what would the wavelength be for an observer who is a red shift z = 0.05 from that source?

Sue ARVA has a moon rock and a mars rock. Both are the exact same size. Sue pours honey into a large glass. The moon rock barely floats on the surface but the mars rock sinks. Which rock has higher density?

A wheel is rotating freely at angular speed 660 rev/min on a shaft whose rotational inertia is negligible. A second wheel, initially at rest and with 5 times the rotational inertia of the first, is suddenly coupled to the same shaft.

2. How does the electrical force relate to the charge of an object? a. It is inversely proportional to the square of the charge. b. It is directly proportional to the square of the charge. C. It is inversely proportional to the charge. d.

What is the energy source that heats a contracting protostar?

What unit is kg divided by m/s^2

If the energy stored in the fully charged battery is used to lift the battery with 100-percent efficiency, what height is attained? Assume that the acceleration due to gravity is 9.8 m/s2m/s2 and is constant with height

How does the mass of an astronaut change when she travels from earth to the moon? how does her weight change?

If an object has a mass of 20 grams and a volume of 40 cm3, what is its density in g/cm3?