Is 0.4 over 0.8 a rational or irrational number
1 answer:
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Answer:
7.0 × 10^5 J
Step-by-step explanation:
First we convert the speed of 110 km/hr to metre-per-seconds
v = 110×(1000/3600)
v = 30.56 m/s
m = 1500 kg
= 0.5 × 1500 × (30.56)²
= 700231.5
= 7.0 × 10^5 J