Why do rivers usually have water in them, even during a drought?

Cumulonimbus clouds often form along cold forms. which type of weather is most likely to occur along a cold front?

The driver of a car slams on the brakes, causing the car to slow down at a rate of 26ft/s2 as the car skids 256ft to a stop. How long does the car take to stop? What was the car's initial speed? ft/s 4

One problem for humans living in outer space is that they are apparently weightless. One way around this problem is to design a space station that spins about its center at a constant rate.

How can electricity be compared to water?

A skateboarder heads down a smooth, steep course. What graph illustrates the change in kinetic and potential energy during this process?

In July 2005, NASA's "Deep Impact" mission crashed a 372-kg probe directly onto the surface of the comet Tempel 1, hitting the surface at 37,000 km/h.

What conversion factor is needed to change from kilometres to meters

What does the law of universal gravitation state?

Estimate the smallest possible period of a satellite in a circular orbit around earth. (mass and radius of earth is 5.98 x 1024 kg and 6.37 x 106 m. the universal gravitational constant g = 6.67 x 10-11 n. m2/kg2.)

What happens along a stationary front? a. Cold air rises over warm air. b. The flow of air is neither toward the warm air mass nor toward the cold air mass. c. Air moves so rapidly upward that hurricanes form. d. Wind stops completely.