You drop a ball from a height of 1.8 m, and it bounces back to a height of 1.2 m Part A What fraction of its initial energy is lost during the bounce? Express your answer using two significant figures.

Q: a.An atwoods machine consists of two blocks, A (m=1.3 kg) and B (m=8.7kg). Block B is released from…

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Q: Hint 1 A small block of mass 246 g starts at rest at A, slides to B where its speed is vg = 5.4 m/s,…

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Q: You drop a ball from a height of 1.9 m , and it bounces back to a height of 1.4 m . What fraction of…

A: height = 1.9 mheight = 1.4 mWhat fraction of its initial energy is lost during the bounce?What is…

Q: A block slides up an inclined plane. Friction is present between the block and the plane. Which of…

A: Answer :) option(a) the total energy of the block earth system decreases because of the frictional…

Q: A 1500-Kg sports car traveling at the speed of 8.00 m/s collides into the rear end of a 2500-Kg SUV…

A: a. According to the conservation of linear momentum,

Q: A 46g golf ball is struck with a 180g golf club. The ball is initially at rest, and leaves the golf…

A: 4) mass of ball = 46 g mass of club = 180 g initial velocity of ball = 0 msfinal velocity of ball =…

Q: Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the…

A: The three masses of one particular clock are; The height at which mass drops is,

Q: ly too carried away doing physics experiments, crashes his 1200 kg car into to a stationary 1500 kg…

A: The mass of car A is mA = 1200 kg  The mass of the car B is mB = 1500 kg The resulting pileup…

Q: A rubber ball is dropped from rest at a fixed height. It bounces off a hard floor and rebounds…

A: it is given that a A rubber ball is dropped from rest at a fixed height. It bounces off a hard floor…

Q: In the figure, a chain is held on a frictionless table with 1/4 of its length hanging over the edge.…

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Q: In the figure, a chain is held on a frictionless table with 1/4 of its length hanging over the edge.…

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Q: A 74.8-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then…

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Q: A 119 kg juggling platypus had an elastic collision with a 164 kg furry manicurist. After the…

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Q: Two parts to the qeuestion: An internal explosion breaks an object, initially at rest, into two…

A: Both the object A and B release from the same objects so the momentum of both objects should be…

Q: A 1500-Kg sports car traveling at the speed of 8.00 m/s collides into the rear end of a 2500-Kg SUV…

A: a)   From conservation of momentum, the final velocity after collision is, b)   The total kinetic…

Q: A ball of mass m = 60 g is shot with speed vi= 7.7 m/s into the barrel of a spring gun of mass M =…

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Q: For this task, you will be looking for objects or situations that are examples of the physics…

A: Required : Examples of Physics Concepts

Q: A projectile (m, = 75 g) traveling at v = 535 m/s strikes and becomes embedded in the block (m, = 40…

A: Given: The mass of the projectile is mp = 75 g The initial velocity of the projectile is vp = 535…

Q: A8.9 kg bowling ball moves at 4.7 m/s How fast must a 0.509 kg basket ball move in order to have the…

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Q: A box of mass 3.0 kg slides on a horizontal frictionless table and collides with a 2.0 kg box…

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Q: C. Assuming that there is no friction or air resistance what is the total change in the object's…

A: Here, from the graph, Work done in the initial 4 m = Area under the graph upto 4 m = 2 x 4 = 8 J…

Q: EK Eg (J) ET (J) (J) t(s) t(s) t(s)

A: So, the situation is given and the graphs are given in the blank format, we have to draw graph…

Q: - Who did more work? Explain

A: Solution : Work done (W) via Force (F) is equal to the change in Kinetic Energy (K.E) W = ∆K.E  W =…

Q: A ball of mass m = 60 g is shot with speed vi= 7.7 m/s into the barrel of a spring gun of mass M =…

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Q: With what minimum speed must you toss a 200 gg ball straight up to just touch the 14-mm-high roof of…

A: Mass of ball is m=200 g Initial height of ball is hi=1.1 m Maximum height or final height is h=14 m…

Q: a. b. Find the work done by the force of friction. Find the coefficient of friction.

A: The work energy theorem states that the work done on any object is equal to the difference between…

Q: B U(x) = A 6-kg particle moves in a region of space where its potential energy is + with a = -4.9…

A: Given data-  Mass m=6 kg  Potential energy U(x)= (a/x) + (B/x2)             a=-4.9 J.m , B=2.1 J.m2…

Q: Kinetic Energy: An object hits a wall and bounces back with half of its original speed. What is the…

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Q: A 50 g ball of clay traveling at speed v0 hits and sticks to a 1.0 kg brick sitting at rest on a…

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Q: Jayvee rode a 57.6 kg cart in a roller coaster. The cart begins to move straight at 2.8 m/s at a…

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Q: A 5.00 gram bullet moving horizontally with a speed of 400 m/s collides with a wooden block. After…

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Q: The work that a force does by acting on an object is equal to what? a.) the product of momentum and…

A: When an object is moved by the application of a force on it, then, work is said to be done on the…

Q: A closed system consists of 4 objects. The table below shows how much energy each object had to…

A: Given data: The initial energies of objects A, B, C, and D are, Ea=131 J, Eb=183 J, Ec=102 J, Ed=159…

Q: A student builds a roller coaster as shown. The heights of the points are A= 3.3 m B= 1.4 m C= 0 m.…

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Q: th lesser mass to the flattene identical marbles with the sa ttle with the two marbles in

A: Solution 1 conservation of energy : It states that the total energy of an isolated system remains…

Q: Let's calculate some SIMPLE kinetic energy equations: What is the kinetic energy of a O.5kg soccer…

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Q: Find the total energy of the object. Find the height of the object when its speed is 100 m/s. Find…

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Q: object of mass 1kg that is at rest. After the collision the 2kg object has a speed of 2m/s and the 1…

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Q: 4. Two identical masses are suspended by strings wrapped around identical frictionless pulleys,…

A: For systems 1 and 2, According to the conservation of energy, Initial energy = Final energy…

Q: A coffee filter of mass 1.5 grams dropped from a height of 1 m reaches the ground with a speed of…

A: mass of coffee filter = 1.5 g Initial height (h) = 1 m Initial velocity = 0 msfinal velocity at the…

Q: An object has a mass 1000kg decelerates from initial velocity 100 m/s to 20 m/s. calculate the…

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