A car travels 15 miles in 30 minutes. Calculate its average speed.

What is the gravitational force on an object of mass 5.8 kg at the north pole of neptune? express your answer using two significant figures?

Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440 Hz. A second player sounds the same note and hears that her instrument is slightly "flat" (that is, at too low a frequency).

Which object has the least amount of kinetic energy? Spinning top Ball rolling water falling out of cup Roller coaster

You are ice skating on a rink in a friends backyard. you hit a stick that has frozen in the ice, and your skates stop suddenly. your body continues to move forward because of A. Inertia B. Friction C. Gravity D. Speed

A 25 kg object is falling towards the earth with a velocity of 8.5 m/s when it is 100 m above the ground. What will be its velocity when it is 20 m above the ground it energy is conserved? ½mv² + mgh = ½mv² + mgh ½ (25.0kg) (8.5 m/s) ² + (25.

There are four people in the car, the driver slams on the gas pedal and all the passengers heads hit the headrest behind them when the car accelerates forward.

A car travels 15 miles in 30 minutes. Calculate its average speed.

What two factors affect the strength of a gravitational attraction? How does each effect the strength

A spring is stretched 2 cm when a mass of 40 grams is hung from it what is the spring constant of the spring

Can a red nova hurt earth?