Question

the velocity of an object increases at a constant rate from 30m/s to 70m/s in 5 seconds, find the acceleration​

Answer 1

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Required answer-:

Acceleration a=$\frac{v-u}{t}$=$\frac{50~ms^-~^1~-20~ms^-~^1}{10s}$

or a=$\frac{30~ms^-~^1}{10s}$

=$3~ms^−~^2$

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Answer 2

Answer:

8ms-²

Step-by-step explanation:

acceleration=(v-u)/t

here,initial velocity(u)=30,

final velocity(v)=70,

time=5

so, 70-30/5

=40/5

=8ms-2