A 64kg wheel with radius 2.4m is rotating at 280rev/min. If you want to stop it in 30sec. (use point mass of moment of inertia) A. How much work must be done to stop it? B. What is the required power?

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

According to the tide table below what time of day will the highest tide occur?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z