While a gymnast is in the air during a leap, which of the following quantities must remain constant for her? A) Angular momentum about her center of massB) positionC) velocityD) momentumE) angular velocity

Your glass falls to the ground name the forces acting on the glass Choose all that apply Gravity, Spring, Tension, Normal, Friction, Air resistance

Two capacitors, one that has a capacitance of 6 µF and one that has a capacitance of18 µF are first discharged and thenare connected in series. The series combination is then connectedacross the terminals of a 12-V battery.

What is 75 miles per hour (mi/h) in meters per second (m/s) ? 1 mile = 1.6 km.

If the pressure on a gas increases, the volume of the gas also increases is that statement true or false?

Which condition in a nebula would prevent nuclear fusion? A) the presence of nitrogen and carbon B) a decrease in the overall volume of gases C) a core temperature of only ten thousand Kelvin D) Physical contact between bare nuclei

A batter hits a baseball with a bat. The bat exerts a force on the ball. Does the ball exert a force on the bat?

In a nuclear power plant, the temperature of the water in the reactor is above 100°C because of what?

Determine the total mechanical energy of a 250 g baseball if it has a velocity of 30 m/s when it leaves the pitcher's hand 1.2m above the ground.

When distances were carefully measured from Earth to globular clusters above and below the Milky Way plane (where our view of them is not obscured by interstellar dust and gas), their distribution was found to be

Imagine you transfer heat into a gas. This heat splits up in two different ways: Additional thermal energy making the gas hotter and "fuel" for the gas to do work. Let's suppose, 64% of the transferred heat transforms into thermal energy.