Why does sitting closest to the center of a vehicle provide the most comfortable ride in a bus traveling on a bumpy road, in a ship in a choppy sea, or in an airplane in turbulent air?

Q: When a rifle with longer barallel is fired, the force of expanding gases acts on the bullet for a…

A: The work done can be defined as the change in energy of the object or the product of force times 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: What is true about impulse and momentum Impulse deals with velocity while momentum deals with change…

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Q: Two perfectly elastic balls, weighing 6.0 lbs and 4.0 lbs, approach each other with speeds of 20…

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Q: 3 kg ball traveling to the left at a velocity of 2.3 m/s collides with another 0.5 kg ball traveling…

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Q: The center of mass of a system of two different objects lies near to the heavier object True False

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Q: When a junk car is crushed into a compact cube, does its mass change? Its weight? Explain.

A: The mass of an object is the amount of matter that is present within the object. According to the…

Q: Which among the following is TRUE about the center of mass and geometric center? Geometric center…

A: The Geometric Center is independent of the body's mass and is the system's central point based on…

Q: A thin block of soft wood with a mass of 0.0840 kg rests on a horizontal frictionless surface. A…

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Q: A person holds a stick weighing 0.94 kg in his left hand, 9.0 cm from the left end of the stick, and…

A: Given: Force exerted by the ball, Fball = 29 Nmass of bat, m = 0.94 kg

Q: A black belt flyweight performs a sudden blow and chops a cement block with his bare hand.   none…

A: Given, A black belt flyweight performs a sudden blow and chops a cement block with his bare hand.…

Q: Two painters stand on a 10.0m long plank of mass 300 kg. The plank rests on two pillars separated by…

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Q: At a hydroelectric power plant, water is directed at high speed against turbine blades on an axle…

A: Solution: Given that I a hydraulic power plant For maximum power generation, should the turbine…

Q: A machine gun is fired at a steel plate. Is the force on the plate from the bullet impact greater if…

A: The given situation is described by using conservation of momentum and the fact that change in…

Q: 63. Three point masses are placed at the corners of a triangle as shown in the figure below. 75 g 3…

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Q: 30,000-kg freight car is coasting at a speed of 6.0 m/s along a straight track when it strikes a…

A: Answer            The combined o speed of the car is 3.6m/sec Solution

Q: When a rocket-propelled ship launches from the ground, it expels exhaust gas from the bottom of the…

A: In this problem, it is asking why the ship is able to leave the ground when a rocket-propelled ship…

Q: Two identical satellites in space collide. Satellite A is a rest, and B hits it with a speed v.…

A: Option A is the right answer  This was an elastic collision

Q: what accerleration does a baseball of mass of 0.55 experience when hit by a bat if 290 N are exerted…

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Q: A 0.250 kg ball is fired from a spring gun into a 12 kg block of a ballistic pendulum. The block is…

A: Given: mass of ball m=0.250 kg mass of block M=12 kg center of gravity is raised h=6 cm To find the…

Q: If the cart starts from rest, what will be its velocity after the impulse ignoring friction? If you…

A: According to the impulse-momentum theorem, the change in momentum of the cart must be equal to the…

Q: The diagram above shows a uniform semi-circular lamina of radius 2a , centre O. The distance of the…

A: SOlution: as given that semicircle with pint P at the top. To find the distancce between the CM and…

Q: When two bodies of different masses collide, the impulses they exert on each other are

A: Let F1 and F2 be the forces that act on two bodies A and B of different masses during a collision…

Q: Metal spherical ball A has a mass of 0.75 and a speed of 3 m/s had a head-on collision with Metal…

A: It is considered that the collision is true elastic in nature. vA=mA-mBuA+2mBuBmA+mB=0.75 kg-0.50…

Q: If a ball is projected upward from the ground with 10 kg • m/s of momentum, what is Earth's momentum…

A: If the ball is projected upward with 10 kg. m/s of momentum, then the earth is projected downward…

Q: An iron sphere of mass 30 kg has the same diameter as an aluminum sphere of mass 10.5 kg. The…

A: Given :-mass of iron sphere (MF)=30 kgmass of iron sphere (MAl)=10.5 kg

Q: If you place two apples on a table 5 cm apart, they will stay there until you move them.  Why don't…

A: When two magnets are placed on table 5 cm apart then due to magnetism property both magnet attract…

Q: The momentum of a moving object will remain the same if O the velocity changes with time The object…

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Q: An explosion in a rigid pipe shoots three balls out of its ends. A 6 g ball comes out the right end.…

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Q: She lies on a plank on two scales: one at her head, the other at her feet.  They are 1.71 meters…

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Q: A .22 kg baseball is thrown at a velocity of 15.9 m/s. The baseball hits a .93 kg target and they…

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Q: With fuel prices for combustible engine automobiles increasing, researchers and manufacturers have…

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Q: Does the centre of mass of a body necessarily lie  inside the body?

A: No, the COM of a body does not necessary lie inside the bulk of the body.

Q: A truck with a mass of 1830 kg and moving with a speed of 11.5 m/s rear ends a 679 kg car stopped at…

A: solution of above question given in below step.

Q: Why is a modified vehicle with its body raised higher or less stable than a similar vehicle with its…

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Q: Calculate the location of the center of mass of this system in terms of the distance from the left…

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Q: A passenger car with a 2.5-m wheelbase has 52% of its weight on the front wheels on level ground, as…

A: The center of mass is the point inside or outside the body where entire mass of the body is…

Q: A rocket moves because of the conservation of O mass O spin angular momentum O momentum O energy

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Q: 5 kg 3 kg 8m.

A: From the origin, if m1 is at a distance r1 and m2 is at a distance r2 then the center of mass of the…

Q: A jumbo jet airplane has a mass of about 400,000 kg when fully loaded with over 400 passengers and…

A: Write the given values.

Q: At a bowling alley, Lily throws a 6 kg bowling ball at a velocity of 8 m/s. The bowling ball…

A: Solution: given thatbowling ball m1 = 6 kgvball, i = 8 m/spin mass m2 = 0.9 kgvpin, f =12 m/s