If a car travels 30 mi. north for 30 min., 60 mi. east for 1.0 hour, and 30 mi. south for 30 min., what is the average speed of the car over the first two legs of the trip?

The planet jupiter revolves around the sun in a period of about 12 years (3.79 * 108 seconds). what is its mean distance from the center of the sun? the mass of the sun is 1.99 * 1030 kilograms.

A spring has a force constant of 1 Ã - 105 n/m. how far must it be stretched for its potential energy to be 47 j? answer in units of m.

5. What is the mass (m) of an object with a speed (v) of 10 m/s and a momentum (p) of 5.4 kg-m/s?

Find the work done after the chair moved 4.40m along the ramp

Kenna has a mass of 30 kilograms. What's her weight in newtons?

How does gravity influence our annual calendar?

A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.

The velocity of waves in a ripple tank of a particular depth of water is 20 centimeters per second, and standing waves are produced with nodes spaced 2.0 centimeters apart. what is the frequency of the wave generator?

If a wave is generated in a Slinky and the wave hits a wall, the reflected wave will be

While spinning in a centrifuge a 70.0 KG astronaut experiences an acceleration of 2.00g, or twice the acceleration due to gravity on the earth. What is the centripetal force acting on her? A.) 6.86*10^3N B.) 1.37*10^3N C.) 1.40*10^2N D.) 3.46*10^4N