An 80 kg running back leaps straight ahead toward the end zone with a speed of 8 m/s. A 110 kg line-backer is keeping his feet on the ground, catches the running back and applies a force of 800N in the opposite direction for 0.5 s before the running back’s feet touch the ground. 13. Determine the impulse that the line-backer imparts to the running back. a. 400 N-s c. 240 N-s b. 650 N-s d. 640 N-s 14. Determine change in the running back’s momentum does the impulse produce. a. 400 N-s c. 240 N-s b. 650 N-s d. 640 N-s 15. Determine the running back’s momentum when his feet touch the ground. a. 400 N-s c. 240 N-s b. 650 N-s d. 640 N-s

Q: A soccer player applies an average force of 180 N during a kick. The kick accelerates a 0.4 kg…

A: Average Force=ImpulseTime=maImpulse= change in momentum              =m(vf-vi)

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A: Answer Given  Mass m= 1.5 kg Initial velocity vi = -30 m/s Final velocity vf= 12 m/s a ) Using the…

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A: Given, Force-time graph is for 1 s is given. Mass of cart,

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A:

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A: We know that the formula of the  momentum is given as  P = mv where m is the mass  v is the velocity…

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A: Given: Mass of the object is 30 kg. Initial velocity is -50 m/s. The negative sign shows the object…

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A: A)Magnitude of impulse = m (v+U)( it is so because the ball is moving along the same path in…

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A: (a) The ball’s initial speed is, The impulse imparted on a soccer ball will be equal to the change…

Q: 3. a) What impulse occurs when an average force of 20-N is applied by a dad to a new bike riding…

A: Impulse=Change in momentam=Ft And ∆P=m(Vf-Vi)

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A:

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A:

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A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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A: Average force= Impulse divided by time. We got impulse = 8.8 Given time =6ms

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A:

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A: Given Data: Basketball mass, m=1.25 kg Initial speed, u=8 m/s Final speed after bounce-off, v=-7 m/s…

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A: We can answer only first three subparts so we will solve first 3. Please resubmit the question by…

Q: 1. A 1.0-kg ball travelling at 4.0 m/s strikes a wall and bounces straight back at 2.0m/s. a. What…

A:

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Q: A 40.0-kg object has an eastward momentum of 360 kg•m/s. The object encounters an eastward impulse…

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A:

Q: ball m= 0.15 kg. He applies an average force of 52 N. The ball had an initial velocity of 37.5 m/s…

A: Givenm=0.15 kgF=52 NInitial velocity, u=37.5 m/sFinal velocity, v=43 m/s

Q: 3. The following image shows the Force vs time graph for a 365g hockey puck being hit by a stick…

A: (a) Impulse(I) on the puck. (b) Change in velocity as a result of the impact.

Q: In a Little League baseball game, the 145 g ball reaches the batter with a speed of 15.0 m/s. The…

A: mass, m = 145 g  initial speed, u = 15 m/s  final speed, v = - 20 m/s

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A: Given  Mass, m = 50 kg  Initial velocity, u = 2.5 m/s  Final Velocity, v = 0.5 m/s   Impulse = I =…

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A: Given:mass, m = 500 g = 0.5 kginitial speed, u = 1.6 m/stime, t = 10-3 s

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A:

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A: GIVEN: Mass of ball m=145g velocity of ball u=36 m/s time t= 23ms