Question

Find the force of gravity býtween a object (mass = 9.0 kg) and another planet (mass=8.6*10^ 23 kg) when the planet at its closest to Earth dis * tan c * e = 9.2x 10^ 10 m) . Express your answer to two significant figures and include the appropriate units.

Using the formula for gravity, find the force of gravity on a 6.1 kg mass at Earth's surface. (The mass of Earth of 6*10^ 24 kg , and its radius 6.4*10^ 6 m.) . Express your answer to two significant figures and include the appropriate units.

A 44 kg piece of metal displaces 6.3 L of water when submerged . Find the density (in kg/m^3) Express your answer to two significant figures and include the appropriate units.

A 2.9 m-tall barrel filled with water (with a weight density of 5627N / (m ^ 3) )Find the water pressure (in kPa) on the bottom of the barrel. Express your answer to two significant figures and include the appropriate units.

Find the force of gravity between a planet (mass=3.0*10^ 24 kg ) and the Sun (mass=2.0*10^ 30 kg) . (The average planet-Sun distance Earth (distance = 4.8 x 10^ 11 m) . Express your answer to two significant figures and include the appropriate units.

A 18 kg plece of metal displaces 6.3 L of water when submerged. Find the density (in kg/m^ ^ 3) Express your answer to two significant figures and include the appropriate units.

Calculate the force of gravity between a newborn baby (mass = 2.3 kg) and an obstetrician (mass = 114 kg) who is 0.45 m from the baby. Express your answer to two significant figures and include the appropriate units.

Answer 1