Exam 4: Gravity, Projectiles, and Satellites

A hunter aims a rifle at an angle of 10° above the horizontal.The hunter fires a bullet while simultaneously dropping another bullet from the side of the rifle.The bullet to hit the ground first is

If the radius of the Earth somehow decreased with no change in mass,your weight would

The hang time of an athlete who moves horizontally 2.0 m during a 1.25-m-high jump is

How far away from Earth must one travel to completely be beyond Earth's gravity?

Why doesn't the Moon fall toward Earth like apples do?

If your mass doubles,your weight

An airplane flying overhead drops a care package directly over Mike at rest in his Corvette.Neglecting air resistance,the package will land

If the masses of two planets doubles and the distance between them reduces by half,the force between them would be

A hunter fires a bullet from a horizontally-held rifle while simultaneously dropping another bullet from the side of the rifle.The bullet to hit the ground first is

If Earth's mass somehow decreased with no change in its radius,your weight would

The Sun is spherical due to

As a bowling ball that rolls off the edge of a table falls,its vertical component of motion

A lunar month is about 28 days.If the Moon were farther from Earth than it is now,the lunar month would be

Each of us weighs slightly less inside the ground floor of a skyscraper than we do on the ground away from the skyscraper because the

In the vacuum of outer space far from our Sun,there is no

Acceleration is greater for a satellite in elliptical orbit when it is

A rock is thrown upward at 50° with respect to the horizontal.As it rises,its vertical component of velocity

An object is thrown vertically into the air.Because of air resistance,the time for its descent will be

A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius above Earth's surface.What is her weight there?

A hunter aims a rifle at an angle of 10° below the horizontal.The hunter fires a bullet while simultaneously dropping another bullet from the side of the rifle.The bullet to hit the ground first is