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

Q: A train and a car have a head-on collision. Which vehicle experiences the greater force of impact?…

A: According to Newton's third law Every action has equal and opposite reaction.

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: What does momentum and impulse have to do with the importance of wearing a helmet/pads while playing…

A: Momentum:Momentum is the product of mass of an object and the velocity of an object. It remain…

Q: A hockey player applies an average force of 80.0 N to a 0.25 kg hockey puck for a time of 0.10…

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Q: Find the impulse on a baseball that is hit with 140 N of force in a time of 0.60 s .

A: Impulse on the ball is,

Q: Difference between Impulse and Momentum

A: The momentum of an object is calculated as the product of mass and velocity of that object whereas…

Q: What is relation between impulse and momentum?

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

Q: Rank these automobiles based on the magnitude of their momentum before the brakes are applied, from…

A: If a object of mass "m" having speed "v" then linear momentum is given by  p=mv

Q: Masses m and 3m approach at the same speed v and undergo a head-on elastic collision. Show that mass…

A: The momentum of the system will have conserved. As the mass undergo elastic collision.Therefore,

Q: What is the impulse of a boat that requires a force of 100 N for 3 seconds?

A: Given Force F = 100 N Time dt = 3 second

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

A: Padded dashboards make automobiles safer because they increase the time required to stop the…

Q: A hockey player applies an average force of 500 in to a five KG hockey puck for time of 0.25…

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Q: Find the Impulse on a body at rest when acted upon by a force of 5 N for 3 seconds.

A: Introduction :  In this question we are provided it value of force and time . With these data we…

Q: What is the final momentum after the ball hits the jello wall?

A: The final momentum of the ball (pfinal) can be determined by the multiplication of the given mass m…

Q: How is an elastic collision different than an inelastic collision?

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

A: Write the expression for momentum.

Q: How does impulse differ from force?

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

Q: The Sl unit of Impulse is

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Q: A 4.0-kg object has a forward momentum of 20. kg•m/s. A 60. N•s impulse acts upon it in the…

A: Initially the object has momentum pi = 20 kg.m/s Mass of the object is m=4 kg. Hence the initial…

Q: A 2.50 Kg block of wood is moving on a frictionless horizontal surface with a velocity of 8.0 m/s.…

A: F∆t=mvf-vi

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: Describe in terms of momentum and airflow how a helicopter is able to hover.

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Q: Which has the larger linear momentum: a 2,000-kg houseboat going 5 m/s or a 600-kg speedboat going…

A: Given data The mass of the houseboat is m1 = 2000 kg. The velocity of the houseboat is v1 = 5 m/s…

Q: Compare the scenarios by filling in the blanks with greater, less, or same. A rubber ball hits a…

A: In case of rubber ball- Momentum will be same as, change in momentum is 0, by newton's third law. If…

Q: A small car with a mass of 900 kg travels northward at 30 m/s. Does the car have more or less…

A: The mass of the small car, m=900 kg   The speed of the car, v=30 m/s

Q: What is the change in momentum that occurs when a 1.0 kg ball traveling at 3.0 m/s strikes a wall…

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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: 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: A hockey player applies an average force of 100 N to a 0.25 KG hockey puck for a time of 0.10…

A: Given, F=100 Nm=0.25 kg∆t=0.10 s

Q: What happens to the kinetic energy that is lost during an inelastic collision?

A: The collision is a phenomenon in which two objects collide with either elastic collision or…

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: Is it possible for a 10 kg child and a 60 kg adult to have the same momentum? How?

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Q: Which has a greater amount of Momentum? A 10 kg cannonball flying at 350 m/s, or a 1000 kg car…

A: Momentum of an object is defined as the product of its mass and velocity at which it is moving and…

Q: Calculate the impulse due to a force of 3.5 N that lasts for 1.4 seconds.

A: Force applied (F)= 3.5 N time (t)= 1.4 seconds Impulse(I)= Ft

Q: A 5-N force is applied to a 3-kg ball to change its velocity from +9 m/s to +3 m/s. The impulse is…

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Q: If a Mack truck and a MiniCooper have a head-on collision, which vehicle will experience the greater…

A: Both vehicles will experience the same force of impact according to the Newton’s third law of…

Q: Which of the following explains why when we land on our feet, we naturally bend our knees? : think…

A: why when we land on our feet, we naturally bend our knees?

Q: What is the impulse on the brakes of a 1367 kg car that takes 14 seconds

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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: In a mid air collision is momentum conserved in all three directions ? (True or false)

A: According to Newton's 2nd law of motion, whenever we apply external force change in momentum takes…

Q: Why is force is said to be the rate of change of momentum and not change in momentum?

A: The rate of change of momentum of an object is directly proportional to the resultant force applied…

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

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