In the first 2 seconds of a race, an athlete accelerates constantly from 0 m/s and reaches a speed of 9 m/s.
Calculate the acceleration of the athlete. You do not need to state the unit here.

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3