You are lying in bed and want to shut your bedroom door.You have a bouncy “superball” and a blob of clay, both withthe same mass. Which one would be more effective to throwat your door to close it?(a) The superball.(b) The blob of clay.(c) Both the same.(d) Neither will work.

Q: Consider the length of the boat as the x-axis with the origin at its left end. The positions of the…

A: Given-The position of the person arexA=1 m,xB=2.5 m,xc=3 mThe three persons almost have the same…

Q: If two objects collide in a perfectly elastic collision where the first object is moving at 10m/s…

A: Given that:- Both object has same mass. And velocity of object1 before collision is 10m/s and second…

Q: A girl weighing 490 N jumps from a tree, and her center of mass falls a vertical distance of 1.80 m.…

A:

Q: A device called a ballistic pendulum is used to calculate the muzzle velocity of a bullet. What will…

A: Given info: mass of bullet, m =20.5 g = 0.0205 kg mass of block, M = 750 g = 0.75 kg Length of…

Q: An astronaut of mass 210 kg including his suit and jet packwants to acquire a velocity of  2.0 m/s…

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Q: A 100kg man and 50kg woman on ice skates stand facing each other, if the woman pushes the man…

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Q: Two objects with equal mass leaves colored marks on a frictionless surface every time interval of T.…

A: Given: Both objects has same mass and leaving the spot of specific color after a certain time…

Q: A girl weighing 470 N jumps from a tree, and her center of mass falls a vertical distance of 2.10 m.…

A: weight of girl (w) = 470 N distance moved in vertical direction (d) = 2.10 m

Q: • A 54-kg person walks due north with a speed of 1.2 m>s, andher 6.9-kg dog runs directly toward…

A: The mass of the man M =54 kg The mass of the dog m=6.9 kg Take due north as positive direction and…

Q: A 20.00 kg lead sphere is hanging fram a hook by a thin wire 2.00m long and it is free to swing in a…

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Q: An bullet ofmass m = 8.00 g isfired into a blockof mass M = 250 gthat is initially atrest at the…

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Q: During a spacewalk, a 118 kg astronaut (including her spacesuit) is at rest and holding a 3.5 kg…

A: Consider the mass of astronaut be m1, the mass of the wrench be m2, the initial speed of the…

Q: A person is pushing a 8.58 kg block along a horiontal surface at a constant speed of 16.8 m/s. The…

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Q: Two automobiles of equal mass approach an intersection.One vehicle is traveling with velocity 13.0…

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Q: Two identical cars, each traveling at 16 m>s,slam into a concrete wall and come to rest. In car A…

A: The force (F) applied on a body whose momentum changes from p0 to p in time (t) is given by Newton’s…

Q: In elastic collision, consider a particle with mass, m1=200 gm strikes with velocity, vi1 to another…

A: During an elastic collision the kinetic energy of the system and the linear momentum of the system…

Q: Two projectiles of mass m1 and m2 are fired at the same speed but in opposite directions from two…

A: Using conservation of momentum

Q: Water falls without splashing at a rate of 0.220 L/s from a height of 3.40 m into a 0.590-kg bucket…

A: The total weight that the scale will measure will be equal to the sum of the weight of the bucket,…

Q: Ron, of mass 80 kg, and Harry, who is lighter, are enjoying the Great Lake at dusk in a 30 kg canoe.…

A: Given data: Mass of Ron, M=80 kg Mass of the canoe, mC=30 kg Let the mass of the harry be m.

Q: At the instant a 2.0-kg particle has a velocity of 4.0 m/s in thepositive x direction, a 3.0-kg…

A: x-coordinate of speed of centre of mass will be,

Q: Which of the following is a unit of impulse? ON.s O kg s/m ON.m O none of the given choices O kg m

A:

Q: Water falls without splashing at a rate of 0.250 L/s from a height of 2.60 m into abucket of mass…

A:

Q: In an elastic collision, a 400-kg bumper car collides directly from behind with a second, identical…

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Q: A hoverfly is happily maintaining a fixed position about 3 m abovethe ground when an elephant…

A: In Elastic collision, Momentum remains conserved.  Hence,  Initial momentum = Final momentum  We…

Q: Two blocks of masses m, = 4.00 kg and m, = 8.00 kg are each released from rest at a height of 5.00 m…

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Q: The law of conservation of momentum is applicable to systems made up of objects described by which…

A: The Law of conservation of momentum is applicable only to Isolated system of objects in which there…

Q: Consider a frictionless track as shown in thefigure.A block of mass 3.554 kg is released onthe track…

A: Consider the bottom point that is the level at which mass 14.216 kg lies is as datum level. Apply…

Q: Identical twins, each with mass 52.5 kg, are on ice skates and at rest on a frozen lake, which may…

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Q: (II) Two people, one of mass 85 kg and the other of mass55 kg, sit in a rowboat of mass 58 kg. With…

A: Consider the mass of one person as m1 having the values of 85 kg, m2 as the mass of other person and…

Q: A boy cruising across a smooth, level sidewalk is approaching a pipe guard-rail. It seems like a…

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Q: A man of mass m = 75 kg was initially sitting on one end of a small boat of length L = 3.5 m and…

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Q: In a perfect inelastic collision, the momentum is conserved even though the KE of the colliding body…

A: perfectly inelastic collision is the exterme case of collision in which kinetic energy is not…

Q: Two billiard balls of equal mass undergo a perfectly elastic head- on collision. If the speed of one…

A: In a perfectly elastic collision, Using momentum conservation Pi = Pf m1V1i + m2V2i = m1V1f + m2*V2f…

Q: A girl weighing 485 N jumps from a tree, and her center of mass falls a vertical distance of 1.90 m.…

A: Answer Weight of the girl W = 485 N Distance moved in vertical direction d = 1.90 m

Q: Can you produce a net impulse on an automobile by sitting inside and pushing on the dashboard? Can…

A: Impulse can be defined as the product of force acting on the body to the time interval for which…

Q: The Merlin rocket engines developed by SpaceX produce8.01 x 105 N of instantaneous thrust with an…

A:

Q: When the center of mass of a system of identical particles is at the origin?

A: C.M. is hypothetical point which lies inside or outside body, at which complete mass of body is…

Q: A force with a magnitude of 21 N is applied to an 7.1 kg object. How long would the force have to be…

A: From Newton’s second law of motion: