A grasshopper of mass 400.0 mg jumps directly upward by 18.0 cm a)What is the impulse delivered by the ground to the grasshopper? b) If the amount of time the grasshopper pushes off for to achieve its jump is 0.130s. What's the size f the force the grasshopper's legs exert on the ground?

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Q: 20

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A: (a)Impulse of an object is the change in momentum of the object.Write the expression for impulse.

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A: Acceleration

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A: Given : Speed of a ball (vb) = 131 mph = 131 x 0.447 = 58.557 m/s Mass of a ball (mb) = 45.9 g =…

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Q: A 13 kg hammer strikes a nail with a velocity of 13.0 m/s and comes to rest in a time interval of…

A: The impulse is same as change in momentum. that is, J=mu-mv

Q: (III) (a) Calculate the impulse experienced when a 55-kg person lands on firm ground after jumping…

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A: Solution:-

Q: - A runner of mass 60 kg initially moves at a speed of 9m/s. a) What is the impulse needed to impose…

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Q: Does the Impulse cause a change in momentum? Explain how?

A: If a force F is acting on an object for a time t, then their product gives impulse .

Q: A force with a magnitude of 21 N is applied to an 7.1 kg object. How long would the force have to be…

A: From Newton’s second law of motion: