Answer: 3 seconds
Explanation: use J=FT to find impulse
15=5t
3=t
The force acted on the object for a period of 3 seconds.
Impulse is the change of momentum of an object when the object is acted upon by a force for an interval of time. So, with impulse, you can calculate the change in momentum, or you can use impulse to calculate the average impact force of a collision.
The formula for impulse is: Impulse = Force * time = force * Delta t.
J=FT
Given :
J = 5
F = 15
By substituting the value, we get
J = FT
T = F/J
T = 15/5
T = 3
A sudden spontaneous inclination or incitement to some usually unpremeditated action.
Learn more about impulse here: brainly.com/question/904448
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