A meteoroid changed velocity from 10 km/s to 1.8 km/s in 0.03 seconds. What is the acceleration of the meteoroid?

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Answer 1 · 2018-01-26T06:56:39

The acceleration is #=273.33kms^-2#

The initial velocity of the meteorite is #u=10kms^-1#

The final velocity of the meteorite is #v=1.8kms^-1#

The time is #t=0.03s#

Apply the equation of motion,

#v=u+at#

The acceleration is

#a=(v-u)/t=(1.8-10)/0.03#

#=-273.33kms^-2#

This is a deceleration