Explain what it means when we say a substance is magnetic.

Approximate the Sun as a uniform sphere of radius 6.96 X 108 m, rotating about its central axis with a period of 25.4 days.

3. A clown rides a small car at a speed of 15 km/h along a circular path with a radius of 3.5 m. What is the magnitude of the centripetal force on a 0.18-kg ball held by the clown?

At constant pressure, when the temperature of a gas decreases, the volume A.) increases B.) decreases C.) stays the same

sledge (including load) weighs 5000 N. It is pulled on level snow by a dog team exerting ahorizontal force on it. The coefficient of kinetic friction between sledge and snow is 0.05.

Determine the energy stored in a parallel plate capacitor that is charged to a potential difference of 150 V. The plates are 4.50 mm apart and have an area of 87.5 cm2. Assume the space between the plates is filled with air.

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas