If the period of a pendulum is 2.0 seconds and the acceleration due to gravity is

9.8 meters/second2, what is the length of the cord on the pendulum?

1.0 meters

0.67 meters

1.3 meters

3.5 meters

10. Define and give 2 examples of kinetic energy. Be sure to include the two factors that make an object's kinetic energy increase.

5. Which type of energy resource is hamessed beneath the Earth's surface? A. biomass B. solar C. hydroelectric D. geothermal

Shania says that the fulcrum is part of the lever and Ali says that the pivot is part of a lever. who is correct?

How much heat is needed to raise the temperature of 6g of water by 20°C?

A long cylindrical steel rod is heat treated in an oven that is 7 meters long and is maintained at a temperature of 900°C. The rod is 10-cm in diameter and is drawn at a velocity of 3 m/min. The rod enters the oven at 30°C and leave at 700°C.

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

In any food chain or web, the original source of energy is

Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land

How much energy (in joules) is required to evaporate 0.0005 kg of liquid ammonia to vapor at the same temperature?