An aerobatic airplane pilot experiences

weightlessness as she passes over the top of

a loop-the-loop maneuver.

The acceleration of gravity is 9.8 m/s^2

If her speed is 440 m/s at this time, find the

radius of the loop.

Answer in units of km.

Sugar molecules can be oxidized in the cell of animals. This oxidation releases energy for the animal to use. From what soured do the cells get these molecules.

What forms of light can be observed with telescopes at sea level?

Why is summer hotter than winter? mastering astronomy?

If a fast moving car makes a loud noise approaches what will happen as the distance between the two increases

A 1500 kg roller coaster train is at rest at the top of a 65 m drop before it begins to travel down the hill. At the bottom of the hill how fast is the train moving?

What force keeps a water spider on the surface of water

A 5.0 kg object moving at 5.0 m/s. KE = mv2 times 1/2

Before designing the filter, one must understand the relationship between the output voltage of the circuit and the frequency. For a series RLC circuit, how do the impedances of the circuit elements depend on the frequency? a.

A ball rolls down an incline and off a horizontal ramp. Ignoring air resistance, what force or forces act on the ball as it moves through the air just after leaving the horizontal ramp? a). The weight of the ball acting vertically down.

How many atoms are in a sample of 1.83 moles of potassium (K) atoms? A) 3.04 * 10-24 atoms K B) 3.29 * 1023 atoms K C) 1.10 * 1024 atoms K D) 6.02 * 1023 atoms K