5 A swimming pool is 50m long. A swimmer covers it in 50s. Calculate
the average speed of the swimmer.

Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.

The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race

Aphysical change is a change in the size, shape,, or stafe of matter true or false