Jenniferlam12
22.08.2019 •
Physics
Ahorse has a kinetic energy of 29,400 j if the horse has a mass of 300 kg what is the horses speed?
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Ответ:
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
Ответ: