Sagot :
KE = 18.06 J
Given:
m = 0.5 kg
v = 8.5 m/s
KE = ?
Solution:
KE = ½mv²
KE = ½(0.5 kg)(8.5 m/s)²
KE = ½(0.5 kg)(72.25 m²/s²)
KE = 18.0625 kg•m²/s²
KE = 18.0625 J
KE = 18.06 J
KE = 18.06 J
Given:
m = 0.5 kg
v = 8.5 m/s
KE = ?
Solution:
KE = ½mv²
KE = ½(0.5 kg)(8.5 m/s)²
KE = ½(0.5 kg)(72.25 m²/s²)
KE = 18.0625 kg•m²/s²
KE = 18.0625 J
KE = 18.06 J