When the only force acting on a falling object is air resistance, the object is said to be in free fall

If a flea can jump straight up to a height of 21.1 cm, what is its initial speed as it leaves the ground, neglecting air resistance?

How do we calculate changes in velocity using the Law of Conservation of Momentum?

Which type of power plants generate the least amount of pollution? biomass power plants geothermal power plants nuclear power plants natural gas power plants

A major process by which the Sun's energy is transported around the Earth system?

Two vectors having magnitudes of 5.00 and 9.00 respectively. If the value of their dot product is 12.0, find the angle between the two vectors.

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.