If a ball is thrown straight up into the air with an initial velocity of 45 ft/s, it height in feet after t second is given by y=45t-16t2. Find the average velocity for the time period begining when t=2 and lasting. 0.1 seconds?

The strong nuclear force holds together which two particles in an atom?

There are 2.5 cm in an inch. If a necklace is 16 inches long, how long is it measured in centimeters?

What is the strength of the electric field 0.020 m from a 12 µC charge? A. 5.4 * 106 N/C B. 2.7 * 108 N/C C. 5.4 * 1012 N/C D. 2.7 * 1014 N/C

What is the net worth of a car moving 30 miles per hour

Drivers a and b travel west from boston. driver a leaves three hours earlier traveling at a constant speed of 68mph. driver b follows at a constant speed of 85 mph. how many hours would it take for driver b to catch up to driver a?

Communicate the results

What is the function of the muscles around the lens in the human eye

How does planting trees in urban areas improve air quality and reduce energy use?

A student sitting in a merry-go-round has an acceleration of 3.6 m/s2. If the tangential velocity of the student is 2.5 m/s, what is the distance of the student from the center of the merry-go-round?

A car is traveling at vx = 20 m/s. The driver applies the brakes and the car decelerates at ax = - 4.0 m/s2. What is the stopping distance? A car is traveling at = 20. The driver applies the brakes and the car decelerates at = - 4.0.