A truck travelling at 54km/h is …
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Posted by Kiran Tawri 6 years, 4 months ago
- 3 answers
Yogita Ingle 6 years, 4 months ago
u =54km/h = (54 × 5/18)m/s = 15m/s
v = 36km/h = (36 × 5/18)m/s = 10m/s
t=10sec
a=?
a = 10-15/10
a = -5/10
a = -0.5m/s²
acceleration = -0.5m/s²
it means retardation = 0.5 m/s²
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