In terms of impulse and momentum, why do padded dashboards make automobiles safer?

Q: Two identical carts on an air table move at right angles to each other and have a completely…

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Q: Rank these automobiles based on the magnitude of the impulse needed to stop them, from largest to…

A: Formula of impulse: J=mv Where,   J= Impulse.  m= Mass.  v= Velocity.

Q: How will I know if the question is about projectile Motion, impulse and also momentum? Can you also…

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Q: Calculate the impulse experienced when a 61 kg person lands on firm ground after jumping from a…

A: Given Mass m = 61 kg Height H = 2.8 mm = 2.58 x 10-3 m Initial Velocity u = m/s

Q: A boxer can punch a heavy bag for more than an hour without tiring but will tire quickly when boxing…

A: The formula for the impulse is: The impulse is a measurement of the effort that the boxer applied…

Q: Thinking back on the "Egg Throw" demonstration, which statement about the impulses experienced by…

A: Let us assume, the egg has some mass (m) and thrown with a velocity (v). As we know that the product…

Q: Calculate the impulse experienced when a 55kg person lands on firm ground after jumping from a…

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Q: To throw a ball, do you exert an impulse on it? Do you exert an impulse to catch it at the same…

A: Impulse is exerted both while throwing and catching the ball. This is because a force is being…

Q: The graph below is for a 50 kg object. Find the impulse.

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Q: In terms of impulse, why do car airbags reduce the chances of injury during accidents.

A: Air bags are used in motor vehicles because they are able to reduce the effect of the force…

Q: Which has a larger magnitude of momentum: a 3000-kg elephant moving at 40 km/h or a 60-kg cheetah…

A: We know,  Momentum is given as: Given,

Q: What is relation between impulse and momentum?

A: The chanage in momentum of an object equals its impulse.

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 0.02kg carroms moving towards each other at 5 m/s collide and rebound at the same speed.…

A: Given: Mass of each carrom, m = 0.02 kg Initial velocity, u   = 5 m/s Initial momentum of each…

Q: Bronco dives from a hovering helicopter and finds his momentum increasing. Does this violate the…

A: Law of conservation of momentum says that the momentum of a body is always conserved if there is no…

Q: A diver of mass 90 kg enters the water at a velocity of -10m/s. What is the impulse required from…

A: The effect of force acting in a time interval used to change the momentum of an object is quantified…

Q: How much impulse stops a 50-kg carton sliding at 4 m/s when it meets a rough surface?

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Q: How do you calculate impulse associated with a force of 4.5 N that lasts for 1.4 s?  I don't much…

A: Impulse is the change of momentum of an object when the object is acted upon by a force for an…

Q: In which is momentum conserved: an elastic collision or inelastic collision?

A: Write the expression for momentum.

Q: The graph below is for a 30 kg object. Find the impulse over the entire time shown. al m's/s) -10.0…

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Q: A ball has a mass of 2.0kg. The ball approaches a wall at a speed of 3.0Mls and rebounds at a speed…

A: Given:-  The mass of the ball is m = 2.0 kg  The ball approaches a wall is u = 3.0 m/s  The rebounce…

Q: How does impulse differ from force?

A: Formula for the impulse in term of momentum is:

Q: A 1120 kg car experiences an impulse of 30.000 N  s during a collision with a wall.  How do you…

A: Write the expression for impulse and apply Newton’s second law.

Q: The Sl unit of Impulse is

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Q: If a baseball collided with a basket ball in the air. What can be said about their change in…

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Q: impulse

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Q: We claim that momentum is conserved. Yet most movingobjects eventually slow down and stop. Explain.

A: Momentum is explained as the product of the mass of an object and its velocity. The law of…

Q: In terms of impulse and momentum, why is it important that helicopter blades deflect air downward?

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Q: In terms of impulse and momentum, why are nylon ropes, which stretch considerably under…

A: By stretching itself during the fall the nylon ropes increases the time of impact which reduces the…

Q: Find the impulse. How fast did the axe approach the log.

A: Mass of axe, m=10Kg Force, F=500N Time of interaction, ∆t=0.05s

Q: Which exerts the greater impulse on steel plate- machine gun bullets that bounce from the plate, or…

A: Here, the elastic collision occurs where the bullet bounces back from the plate and in the other…

Q: In terms of impulse and momentum, why do airbags in car reduce the chances of injury in accident?

A: The airbags provided inside a car reduce the average force that is applied for a very short duration…

Q: What is the relationship between saying conserved quantity and inelastic collision of two objects,…

A: The relationship between saying conserved quantities and inelastic collision is that the few…

Q: Suppose a rubber ball and a steel ball collide. Which, if either, receives the larger impulse?…

A: rubber ball and steel ball collide

Q: In jumping off the roof of a garage and landing on the ground, you eventually come to a stop. Which…

A: Givem:-  jump from roof of a garage and land on the ground . At last comes to a stop .

Q: 5. A 2.0-kg stone is dropped from rest at a height of 3.75 m. What impulse does gravity impart to…

A: GivenMass of stone, m=2 kgStone is dropped from height, h=3.75 m

Q: A careless driver driving at 25 m/s hit a tree while fumbling with his phone. Assume the driver was…

A: Newton's second law of motion describes the net force acting on an object to be a product of mass…

Q: A stationary football weighing 1.25 kg acquires a speed of 10 m/s when kicked. What is the impulse…

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Q: Two identical carts on an air table moves at right angles to each other and have a completely…

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

A: Given data: Mass (m) = 60 kg Initial velocity (Vi) = 9 m/s Final velocity (Vf) = 0 m/s Force (F) =…