Acar consumes 25.00 gallons of fuel when driving a distance of 400.0km. how many gallons will it consumes when driving 250.0miles

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

An object has a weight of 500 on earth what is the mass of this object

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?