A cyclist is riding a bicycle whose wheels have a diameter of 20 inches. Suppose the wheels turn at a rate of 320 revolutions per minute. (a) Find the angular speed of the wheels in radians per minute. (b) Find the speed of the cyclist in miles per hour. (Use the fact that

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?