A roller coaster's velocity at the top of a hill is 10m/s. two seconds later it reaches the bottom of the hill with a velocity of 26 m/s. what was the acceleration of the coaster?

Kathryn ate a bag of salty chips. What allowed her brain to register the flavor of the chips?

Does anyone understand this stuff? A local Radio Shack Store wants to buy a new line of Plasma TV's. Manufacturer A offers chain discounts of 18/12, while Manufacturer B offers terms of 17/13. The single equivalent discount rate of? is the best deal.

In being served, a tennis ball is accelerated from rest to a speed of m/s. the average power generated during the serve is 2920 w. assuming that the acceleration of the ball is constant during the serve, find the force acting on the ball.

The process by which hot and cold air are transferred into the atmosphere

A 20.0 kg object is at rest, and then speeds up to 16.0 m/s. How much work was done on this system? A. 320 J B. 2,560 J C. 2,880 J D. 5,120 J

3 A wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude

A cork is floating in salty water. As more salt is added to the water to increase its density, the cork will

Which of the following planets has the highest surface temperature as compared to the others? Earth Jupiter Mars Venus

Steel is made of atoms of iron and carbon. Would iron and carbon form metallic bonds? Explain your answer choice.

A sprinter runs 200m west and 100 m east her displacement is