louvena
contestada

a horse a kenetic energy of 29, 400j. if the horse has a mass of 300kg what is the horse's speed

Respuesta :

The horse's speed is 14m/s.
Ver imagen Moonnose
kinetic energy = 29.400 j
m= 300 kg

kinetic energy = ½• m• v²
kinetic energy = ½•300•v²
29400= 150•v²
29400 : 150 = V²
196 = V²

√196 = V

14 = V