The velocity of the particle 6 m/s eastwards changes to g m/s northwards in 10 s. what is the magnitude of the average acceleration during this interval of time?
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a
1.4m/s2
b
1 m/s2
c
0.2 m/s2
d
none of the above
answer is B.
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Detailed Solution
Here Δv=(8j−6i)m/s∴|Δv|=(8)2+(6)21/2=10m/sNow a=ΔvΔt=10m/s10s=1m/s2
The velocity of the particle 6 m/s eastwards changes to g m/s northwards in 10 s. what is the magnitude of the average acceleration during this interval of time?