A hoverfly is happily maintaining a fixed position about 3 m abovethe ground when an elephant charges out of the bush and collideswith it. The fly bounces elastically off the forehead of the elephant.If the initial speed of the elephant is v0, is the speed v of the fly afterthe collision equal to (a) v0, (b) 2v0, or (c) 3v0?

Q: A popcorn kernel initially at rest explodes into two pieces, one piece having twice the mass of the…

A: Assume that there is no external force acting on the kernel. According to the principle of…

Q: VAX VAY Vx VBy VBX If vA=2m/s [30 degrees to the horizontal] and vB-1m/s [60 degrees to the…

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Q: Two objects, A and B, both with a mass of 2 kg, collide. The velocities before the collision are ViA…

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Q: A firecracker of mass m is heading due north with speed v when it explodes into two pieces of…

A: The expression initial momentum,

Q: A 0.1500.150 kg lump of clay is dropped from a height of 1.451.45 m onto the floor. It sticks to the…

A: The expression for the magnitude of the impulse denoted as J imparted by the floor to the clay is ,

Q: After a completely inelastic collision, two objects of the same mass m and same initial speed vo…

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Q: What exhaust speed is required to accelerate a rocket in deep space from 800 m/s to 1000 m/s in 5.0…

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Q: Two manned satellites approach one another at a relative speed of 0.250 m/s, intending to dock. The…

A: For an elastic collision, the momentum will be conserved. This can be written as:…

Q: A block with mass M = 5.90 kg is sliding in the positive x-direction at Vi = 8.00 m/s on a…

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Q: A fireworks rocket is launched vertically upward at 40 m/s. At the peak of its trajectory, it…

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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 particle of mass m = 1.1 kg and initial velocity v0 = 13 m/s directly to the right, strikes an…

A: m=1.1 kgvo=13 m/sM=17.5 kgVo=0collision: inelasticv=4.5 m/sθ=59°we have to find V=?ϕ=?

Q: Two objects with masses m = 0.5 kg and m2 = 0.2 kg are located on a horizontal frictionless path,…

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Q: To get off a frozen, frictionless lake, a 65.0-kg person takes off a 0.150-kg shoe and throws it…

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Q: Two blocks of mass 3kg and 2kg are moving toward each other along a horizontal frictionless surface…

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Q: A 2500 kg cannon, initially at rest, fires an 80 kg shell horizontally, with a speed of 600 m/s.…

A: Given: Mass of cannon (mc) = 2500 kg Recoil velocity of the cannon = vc m/s Mass of the cannonball…

Q: Two objects, A and B, both with a mass of 2 kg, collide. The velocities before the collision are (3)…

A: Given data :              Mass of the objects : mA = mB = 2kg              Initial velocity of…

Q: Two manned satellites approach one another at a relative speed of 0.250 m/s, intending to dock. The…

A: If the collision is elastic then its relative velocities will be same in magnitude whether its…

Q: Two blocks (m1 and m2) are each released from rest at a height of h = 3.83 m on a frictionless track…

A: Masses m1 and m2 are 2.5kg and 4.25kg Released from h= 3.83 m

Q: After a completely inelastic collision, two objects of the same mass and same initial speed are…

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Q: Consider an 1D elastic collision where particle m1 hits stationary particle m2 lying on a friction-…

A: Given:  1D elastic collision where particle m1 hits stationary particle m2 lying on a friction…

Q: A 0.145-kg baseball is dropped from rest. If the magnitude of thebaseball’s momentum is 1.55 kg #…

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Q: A block with mass M = 5.70 kg is sliding in the positive x-direction at Vi = 8.45 m/s on a…

A: Given information: Mass of the moving block (M) = 5.70 kg Velocity of the moving block (Vi) = 8.45…

Q: You drop a rubber ball from a height of h₁ = 3.0 m. It bo a concrete surface to a height of h₂ = 2.7…

A: Given data:-  The initial height is h1 = 3.0 m  The bounces off a concrete surface to the height of…

Q: Two identical billiard balls can move freely on a horizontal table. Ball À has a velocity vo = 1.5…

A: Analyze the diagram. Here, LOL is the line of impact. Apply the conservation of momentum along the…

Q: Vis Consider the collision of a moving puck with a second, initially stationary puck, as shown in…

A: Given : m1 = 0.50 kg; m2 = 0.60 kg;             v1 = 1.5 m/s; v1f = 0.5 m/s and θ1 = 50°

Q: Starting from rest, a 57.0 kg woman jumps down to the floor from a height of o.670 m, and…

A: mass= 57 Kg height= 0.67 m 0<t<0.8 s F=9200t-11500t2

Q: Two blocks of masses m 1 and m 2 approach each other ona horizontal table with the same constant…

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Q: Three blocks of masses m1=1.00 kg, m2=2.00 kg, and m3=3.00 kg are set at rest on a level air track…

A: The initial speed of the first mass is, The initial speed of the second mass is, The initial speed…

Q: An arrow of mass 0.05 kg collided with a static apple of mass 0.1 kg and stabilized it and moved at…

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Q: In elastic collision, consider a particle with mass, m1=200 gm strikes with velocity, Vi1 to another…

A: An elastic collision is one in which the total kinetic energy of the system before the collision and…

Q: the force on a particle is given by F(t) = 0.71t + 1.2 t^2, in N. If the force acts from t=0 to…

A: The total impulse is given by J=∫t1t2Fdt=∫t1t20.71t+1.2t2dt

Q: A block with mass M = 5.60 kg is sliding in the positive x-direction at Vi = 8.00 m/s on a…

A: In an elastic collision, both momentum as well as energy is conserved.Using the conservation of…

Q: When the objects stick together after they collide, the collision is called perfectly inelastic.…

A: Introduction: A collision is an event in between two objects where the transfer of momentum and…

Q: In a perfectly inelastic one-dimensional collision between two objects, what initial condition alone…

A: Given the two objects are undergone perfectly inelastic  collision in one dimensional. The momentum…

Q: Momen2m. An average net force of F = (43.0 [N]) ↑ is applied to a 5.00 [kg] that has an initial…

A: Given that- Block mass=5kg F=43.0 î N Initial velocity(v)=-3 îm/sec ∆t=2.00 sec To determine that…

Q: Two ice pucks (one orange and one blue) of equal mass are involved in a perfectly elastic glancing…

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Q: An object of mass 3M, moving in the +x direction at speed vo, breaks into two pieces of mass M and…

A: Given: The mass of the blue object is 3M. The initial speed of the 3M is vo in +x-direction.…

Q: 0.2 kg are located on a horizontal frictionless path, which has a lower and a higher part with…

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Q: At the circus, one of the acrobats does a belly-flop from 12.0 m into 30 cm of water. If the mass of…

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Q: Three steel spheres of equal mass are suspended from the ceiling by strings of the same length that…

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