Determine the velocity, acceleration, and net force acting upon a 50 kg child who makes 10 revolutions around the a marry-go-round in 60 seconds. The radius of the ride is 5 meters.

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Acar travels 40m in 8 seconds find the car speed

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up