calculate the kinetic energy possessed by: a. 3 kg objects move at 10m/s. b. the 2,500 kg car moving at a speed of 72km/h. c. 80g ball moving at 15m/s! i will m
B. inggris
dannaaditya6867
Pertanyaan
calculate the kinetic energy possessed by:
a. 3 kg objects move at 10m/s.
b. the 2,500 kg car moving at a speed of 72km/h.
c. 80g ball moving at 15m/s!
i will make the best answer for anyone who answers this question. thank you
a. 3 kg objects move at 10m/s.
b. the 2,500 kg car moving at a speed of 72km/h.
c. 80g ball moving at 15m/s!
i will make the best answer for anyone who answers this question. thank you
1 Jawaban
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1. Jawaban Duwie12
weight=massa=kg
velocity=kecepatan=m/s
kinetic energy=joule=(1/2)m.v²
a. (1/2).3.10²
=300/2
=150 joule
b.(1/2).2500.20² (72km/h=72000m/3600s=20m/s)
=2500.200
=50000 joule
c. (1/2).0,08.15² (80g=0,08kg)
=(1/2).0,08.225
=9 joule