What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s? A. 450 J B. 900 J C. 8,100 J D. 16,000 J

Lauren rode the bus home from the mall on Saturday. She felt the bus accelerate as it left the parking lot, and then the bus turned right. The bus drove east on the freeway for five minutes before exiting, decelerating, and stopping at the stoplight.

The mesure of the energy of motion of particles of matter

Suppose someone gives you an alloy that is made of both zinc and nickel. In general, how do you think the physical properties of the alloy would be similar to or different from those of the individual metals?

What are the two most important processes in the cycling of oxygen in and out of the atmosphere? a. weathering and erosion b. evaporation and precipitation c. photosynthesis and respiration d. lightning fixation and fossil fuel emission

7. How much work is done in moving a charge of 10 micro coulombs 1 meter along an equipotential of 10 volts?

A tire swing is released from some initial height such that the speed of the tire at the bottom of the swing is 2.5 m/s. What is the initial height of the tire? Note: g = 9.8 m/s2 A 0.13m B 0.16m C 0.32m D 3.1 m

Paleoclimatologists study the climate and its changes throughout earths history. what observation by paleoclimatologists led scientists to predict that the average temperature of the planet is rising due to the combustion of fossil fuels?

Which is bigger, a kilometer or a mile?

A coach wants her team to have fun, win some games, and be a productive unit. What is the most important personality trait the coach should demonstrate to achieve her goals? sportsmanship leadership persistence discipline

You slide a box of books at constant speed up a 30° ramp, applying a force of 200 n directed up the slope. the coefficient of sliding friction is 0.18.