63.28 J

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given- Mass of box (m) = 4 Kg, Velocity of box (v) = 5 m/s Distance travelled (S) = 8 m g = 10 m/s2

Q: A 6-kg block moves along the x-axis. Its position changes with time as x=2+t-4t where x in meters…

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Q: 18. A 4.0 kg block initially traveling at 5.0 m/s slides up an incline, reaching a vertical height…

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Q: 9 A box moves on a frictionless horizontal surface under the influence of the two forces = F₁ = (50î…

A: Power = It is the dot product of force vector to the velocity vector.

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=10 m/s at a starting point.…

A:

Q: An accelerating object of mass m-18 kg is fired with an initial speed v-7 m/s at a starting point.…

A: Given: The mass of the object is 18 kg. The initial velocity of the object is 7 m/s. The final…

Q: 1. A 0.14 k-g pine cone falls 16m to the ground, where it lands at a speed of 13 m/s. (a) With what…

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Q: An ice cube of 10g (0.01 kg) is placed on top of a brass ramp with length 16.7 m and inclination of…

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Q: A 400 N student pushes a 500N trunk a distance of 8.00 m along a straight line, by applying a…

A: Solution:-Given thatWeight of trunk (W)=500 NDisplacement (d)=8 mApplied force (F)=600 Ninitial…

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Solution:-work done by Non conservative force w1=-40 Jwork done by conservative force w2=60 J

Q: 36.) When a 2.0 kg science textbook is sitting on a table that is 2.0 meters above the floor, how…

A: It is given that,

Q: An 8.0 kg sled is initially at rest on a horizontal road. The coefficient of kinetic friction…

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Q: You can think of the work-energy theorem as a second theory of motion, parallel to Newton's laws in…

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Q: A 5-kg block moves along the x-axis. Its position changes with time as x=6-8t where x in meters and…

A: Given, mass of the block m = 5 kg x = 6-8t2    We know that velocity v is v=dxdtv=d6-8t2dtv=-16t m/s

Q: The driver of an 1600 kg car (including passengers) traveling at 24.0 m/s slams on the brakes,…

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Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given : m = 4 kg v = 5 m/s h = 8 m g = 10 m/s2

Q: 2) A 45.0 kg block is pushed by a force that forms an angle of 30º, as shown in the figure. the…

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Q: 5) Answer these two questions: a) List the energy conversions that occur when riding a bicycle. b)…

A: This is a question regarding the conservation of energy and the transformation of energy from one…

Q: 3. A helpful pig pushes a 20kg crate across the barn floor. Initially, the crate has a kinetic…

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Q: A worker pushes a wood crate of mass 23.4 kgacross a concrete floor witha constant horizontal force…

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Q: A 63.0 kg skier approaches the foot of a hill with a speed of 15.0 m/s. The surface of this hill…

A: mass velocity Coefficient of kinetic friction Coefficient of static friction Angle

Q: 1) A freight plane has a total mass of 4.00 x 105 kg (including cargo). It starts from rest at sea…

A: Given, Mass of freight plane (M) = 4×105kg  Initial speed (u)= 0 m/s  Initial height(hi) = 0 m (…

Q: A 18 kg crate is being pushed 7.6 m across a level floor by a 92 N horizontal force. The μk between…

A: Applied force = 92 N distance moved = 7.6 m Frictional force = 0.35 * weight Frictional force = 0.35…

Q: When the speed of your car is doubled, by what factor does its kinetic energy increase? a. sqrt of 2…

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Q: A 4 kg ball falls from height of 29. What willbe potential energy of the ball after 1 second? Use g…

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Q: Physics 3 a) How would you demonstrate, using a pen and a sheet of paper, that static friction can…

A: Work done is defined area under Force v/s displacement graph. If force is constant then in vector…

Q: 1. A bungee cord exerts a non-linear elastic force of magnitude: F(x)=K₁X+K₂x³ where x is the…

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Q: 1. A particle was subjected to a force Fx that varies with position as described by the Fx vs. x…

A: Simple but intersting problem of force and work. Please have a good look

Q: 2876 kg elephant from Asia (Elephas maximus) pushes against a coconut tree (Cocos nucifera), which…

A: Here elephant is the agent which exerts external force.  There is no conservative as well as non…

Q: An elevator is lifted by its cables at a constant speed. Is the total work done on the elevator…

A: If the elevator lifted by cables on the elevator two forces are acting 1) gravitational force…

Q: A boy throws a 3.0-kg rock vertically downward with an initial speed of 8.0 m/s from balcony that is…

A: To solve the given question, we will find the final velocity and once we have that, we will be able…

Q: D. -my 4 JUD E. ans: E 53. The potential energy of a 0.20-kg particle moving along the axis is given…

A: Force, F = - dU/dr U = potential energy Again F = m a M = mass of the particle a = it's acceleration

Q: 1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: 2. Page 2 > of 7 F=40 30 In this problem, the block moves in the horizontal direction only. A. Find…

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Q: An airplane flies 120 km at a constant altitude in a direction 30.0° north of east. A wind is…

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Q: View Policies Current Attempt in Progress The figure shows a plot of potential energy U versus…

A: The potential energy U and kinetic energy at different points as given in the problem  UA=9.00…

Q: 4) A block of mass 6.0 kg is pushed a distance of 5.00 m along a 30.0° rough inclined plane with an…

A: a)  The energy principle for the system that contains only the block is the Work Energy theorem. Fp…

Q: A force is acting on a 2.00 kg particle whose position changes with time as x = 4.0 t² - (1/3) t³,…

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Q: 1-An object of mass m=2kg which is initially at rest is pushed upward by a horizontal force F=…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Two forces oppose one another by acting in opposite directions on a 10 kg object, one being a…

A: We are given 2 forces. They are acting in opposite direction. One has constant magnitude, other has…

Q: 1) A 1622 kg car has a speed of 11.3 m/s when it hits a tree. The tree doesn’t move and the car…

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Q: A 20 kg box is resting on horizontal surface initially. Then a F = 50 N force pulls on the box by a…

A: Given: m = 20 kgF = 50 Nθ = 20oμ = 0.20

Q: Q2) A 5.00-kg block is set into motion up an inclined plane with an initial speed of 8.00m/s. The…

A: We need to determine the friction force exerted on the block using energy conservation.

Q: A 300-g object slides 80 cm in a straight line along a horizontal tabletop. How much work is done in…

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