two forces are acting on a wheelbarrow. One force is pushing to the right and an equal force is pushing to the left. What can yo
2 answers:
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Answer:
Explanation:
The acceleration of an object is equal to the change in velocity of the object divided by the time taken for the object to change the velocity:
where:
u is the initial velocity
v is the final velocity
t is the time taken for the velocity to change from u to v
For Ms Jackson in this problem, we have:
u = 6 m/s (initial velocity)
v = 0 m/s (final velocity)
t = 4 s (time elapsed)
Substituting into the equation, we find the acceleration:
And the negative sign indicates that the direction of the acceleration is opposite to the direction of motion.