-A student practicing for a track meet ran 250m in 50 seconds. What was her average speed?

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

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

Determine the maximum r-value of the polar equation r =3+3 cos 0