Which of the following is a good example of how the idea of an impulse could reduce injuries Group of answer choices Landing on foam pad Landing on cement Landing with a flexed knee but not flexing it anymore Landing with a stiff knee and not flexing it anymore

Q: dropping an elephant and a mouse from a tall building, the mouse survived the fall but the elephant…

A: A mouse and an elephant dropped from same height.  We have to explain as to why mouse survived the…

Q: The firing of a bullet by a rifle causes the rifle to recoil backwards. The speed of the rifle's…

A: As per the conservation of momentum, the initial momentum of the system will be equal to the final…

Q: a) Define 'impulse' b) Explain why both 'N s' and 'kg m s-¹' are appropriate S.I. units for impulse.…

A: Impulse refers to a concept in physics that quantifies the change in momentum of an object. It is…

Q: For the superball in the previous question, if it was in contact with the table for 33.8rms,…

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Q: Suppose two billiard balls, A and B, with the same mass, undergo a head-on elastic collision. Ball A…

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Q: * (4) A billiard ball moving at 10m/s along the +ve x - axis collides elastically ball at rest. The…

A: As per our guidelines, I can solve only the first question.  Hence as per the first question,  the…

Q: A gnat hits your windshield as you drive down the road.      Which gets the greater impulse?…

A: Given : A gnat hits your windshield as you drive down the road.

Q: A car is pushed with a force of 450 N for 19.4 seconds. What impulse was applied to the car? Answer:

A: Given: F=450 N t=19.4 s

Q: A hockey player applies an average force of 500 N to a 5.25 kg hockey puck for a time of 0.25…

A:

Q: When you leap down from a high perch, you have a gentler landing with less force if you bend your…

A: When the person land on the ground the person applies an impulse to reduce the momentum to zero.

Q: Two balls of equal mass and of perfectly elastic material are lying on the floor. One of t the…

A: Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the the…

Q: Consider the situation in which object X has a speed of 2 m/s and object Y has a speed of 5 m/s…

A: There are two cases of collision 1) Elastic collision 2) Inelastic collision   In both the types,…

Q: Select the incorrect statement about a collision between two figure skaters on ice with no external…

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Q: Explain in terms of impulse how padding reduces forces in a collision. State this in terms of a real…

A: Change in momentum or impulse is equal to the product of net external force acting on an object and…

Q: The graph below is for a 50 kg object. Find the impulse over the entire time shown. Fnet(N) 40.0…

A: Mass of object (M) = 50 kg Force versus time graph is given in the question where , force is plotted…

Q: A bee has a head-on collision with the windshield of a truck. Splat! Which experiences a larger…

A: Impulse is the product of a force applied to an object and the time over which it acts.It is defined…

Q: Why does the red ball not have a greater final speed if both balls have the same Vy components but…

A: We are given that two balls are thrown off a balcony horizontally with velocities v0 and v0 /2. The…

Q: (a) Steering Wheel crumple zones crumple zones Steering AirBag Wheel Crash Inflator Crash Inflator…

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Q: A 100 kg weight is dropped on to the floor from a height of 2.5 m. What is the potential energy of…

A: The potential energy is given by  U =m g h  where, m is the mass, g is the gravity and h is the…

Q: A person is throwing a ball. Impulse applied to the ball and the momentum of the ball during the…

A: Introduction:Impulse is given as, I = F×there F ​is applied force  and t is time interval forwhich…

Q: When gymnasts vault over the horse and land, they land on a big pad. How does the pad help them?…

A: Given statement : "gymnasts vault over the horse and land, they land on a big pad"

Q: A rolling white billiard ball strikes a stationary black billiard ball. If the white billiard ball…

A: Let, P1=momentum of white ball before strikingP2=momentum of black ball before…

Q: A stone of mass 3.7 kg drops from rest at a height of 7.67 m. What magnitude of impulse, J, does…

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Q: Cart Crash: Velocity vs. Time 0.6 0.4 0.2 0.5 1 1.5 2,5 3.5 -0.2 -0.4 -0.6 Time (s) Velocity (m/s)…

A: Calculate acceleration first from V-T graph

Q: golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is initially at…

A: Given data  F = 1000 N, m = 0.045-kg, vo = 0, t = 1.8 ms.

Q: 3. Coal miners love physics, and in their spare time, they like to do physics experiments. One…

A: Write the given data mass of lump m =5.0 kgheight of ledge =10 mmass of cart M= 90 kginitial speed…

Q: After an elastic collision of two balls, the kinetic energies of the two balls are measured to be 12…

A: In elastic collisions, both kinetic energy and the momentum of the system is conserved. According to…

Q: A train engine weighs 4 times that of a railroad car. The engine collides into the car (initially at…

A: let the mass of the railroad  car is=mMass of train engine will be=4 mfrom conservation of linear…

Q: Law does apply. Law does not apply.   ______ A bullet strikes a wooden block causing the block to…

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Q: When 2 blocks smash into each other in a maximally inelastic collision which of the following is…

A: Inelastic collisions are the ones where the linear momentum is conserved but the there is a net loss…