(iv) A car accelerates uniform from 18km/h to 36km/h in 2 seconds. Calculate<br />the distance covered by the car in that time.
Answers
Answered by
1
Answer:
16 is correct answer my mind
Answered by
0
Answer:
15m
Step-by-step explanation:
u=18km/hr=18×5/18 m/s=5m/s
v=36km/hr=36×5/18=10m/s
now t=2 sec.
s=?
from eq of motion
v=u+at
10=5+2a
a=5/2
a=2.5m/s²
now s=ut+1/2at²
s=5×2+1/2×2.5×4
s=10+5
s=15m
so distantce coverd by car in 2sec. is 15m
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