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?

A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. What is the centripetal acceleration of the car?

What is the angular velocity of the second hand on a clock? (Hint: It takes the second hand 60 seconds to rotate 2π radians. Divide the number of radians by the number of seconds so that your answer has units of radians/second.)

The probability of an event A occurring is 0.73.

Which of the following is NOT a step in the evolution of a star? a. supergiant c. supernova b. red dwarf d. neutron star

What rhymes with peach

When are you most aware of your motion in a moving vehicle: when it is moving steadily in a straight line or when it is accelerating?

The force of gravity on a person or object on the surface of a planet is called?

What happens to the particles of the liquid inside a thermometer when the thermometer is heated? They slow down and spread apart. They speed up and spread apart. They slow down and move closer together. They speed up and move closer together.

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

After the layers of sediment are deposited in one place, they are