A 0.25 kg baseball is in contact with a bat for 0.0075 s and exerts a force of 18,500 N. What impulse is delivered to the ball?
2 answers:
Answer : The impulse delivered to the ball is 138.75 N.s
Explanation :
Impulse : It is defined as the force applied to an object for a certain amount of time.
Formula used :
where,
I = impulse
F = force = 18500 N
t = time = 0.0075 s
Now put all the given values in the above formula, we get:
Therefore, the impulse delivered to the ball is 138.75 N.s
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Answer:
Total distance = 700 m
Displacement = 500 m
Explanation:
Notice that Jed travelled a total of 3 x 100 m = 300 m in the North direction, and 300 m + 100 m = 400 m in the East direction. Therefore the total distance he travelled is: 300 + 400 = 700 m.
But the actual displacement is given by the Pythagorean theorem as the hypotenuse of a right angle triangle of legs 300 m and 400 m:
displacement =