posted by SIMONAAA.
The rate of energy use in a typical house is about 2.0 kW (2.0 × 103
W). If the kinetic
energy of a 1400-kg car is equal to the
posted by SIMONAAA.
The rate of energy use in a typical house is about 2.0 kW (2.0 × 103
W). If the kinetic
energy of a 1400-kg car is equal to the total energy used by the house in 1 min, what is
the car’s speed?
Pt =E =mv²/2