The average distance between the center of the earth and the center of its moon is 3.84 x 108 m. the mass of the earth is 5.97x1024kg. what is the orbital speed and period of earth’s moon?

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?