A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is doubled. If the actual contact with the bat lasts 0.73 s, what is the ratio of the acceleration to the original velocity?

Mike's truck decelerates from 72 m/s to 0 m/s in 6 seconds. calculate the accleration

What is the speed of a car going v=1.000mph in SI units? Notice that you will need to change from miles to meters and from hours to seconds. You can do each conversion separately. Use the facts that 1mile=1609m and 1hour=3600s. Express your answer i

A girl lifts a 160-N load to a height of 1 min 0.5 s. How much power is used to lift the load? A. 320 W B. 80 W C. 32 w D. 160 W

when was slate found

What item can be arranged to transform electrical energy to mechanical energy

An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final velocity of the composite object.

What is the mathematical relationship between frequency wavelength and wave speed?

What is the basic unit of each type of elements

White light is composed of all the colors of the visible light spectrum. The spectrum is usually said to consist of A) red, blue and green B) red, yellow, blue and green C) red, orange yellow, green, and blue D) red, orange yellow, green, blue, and

What did Ernest Reuther fourths gold foil experiment show about the nature of Atoms