What is the meaning for law of conservation of momentum

An suv is traveling at a speed of 8 m/s. If the suv has a mass of 1,550 kg, what force must be applied to stop it in 8 seconds? A) - 2,700.0 N B) - 2.25 N C) - 3,487.5 N D) - 4,030.7 N

1. Describe the differences and similarities in how coal, oil, and natural gas formed. 2. Describe what an oil sand is and explain the advantages and disadvantages associated with its use and extraction. 3.

The energy levels for electrons vary from one element to another. True or False

Two sound waves of equal amplitude interfere so that the compression of one wave falls on the rarefaction of the other. Which statement is true? A. No sound is heard. B. The loudness of the sound increases. C. There is no change in the sound. D.

When placed in direct sunlight, which an object will absorb the most visible light energy

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?