What is gravity in earth.

A satellite of mass ms travels in a circular orbit of radius a around a planet of mass mp? ms. Part A Derive expressions for the orbital speed of a satellite.

A yellow car passes a red car on the highway. From the yellow car's perspective, the red car is moving backward at a speed of 12 km/h. If the red car is moving at 75 km/h relative to the ground, what is the ground speed of the yellow car?

While running these tests, crall notices a similarity in the velocity measured at the ground independent of whether the tennis ball is thrown upward or downward.

How does the way that matter cycles through an ecosystem differ from the way that energy flows?

In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. assume that a 64 kg skater goes around the turn at a constant 13 m/s. what is the horizontal force on the skater?

Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials. True or False

A package of aluminum foil is 59.3 yd long, 13 in. wide, and 0.00040 in. thick. If aluminum has a density of 2.70 g/cm3, what is the mass, in grams, of the foil?

A teacher pushed a 10-kg desk across a floor for a distance of 5 m she exerted a horizontal force of 20 N how much work is done

Carbon and oxygen, both nonmetals, bond to form a compound. What is the name of the carbon compound with one carbon and two oxygens? A) carbon oxide B) carbon dioxide C) carbon dioxygen D) monocarbon dioxide

Salt water has greater density than fresh water. A boat floats in both fresh water and in salt 12) water. Where is the buoyant force greater on the boat?