A 6.0 kg box moving at 3.0 m/s on a horizontal, frictionless surface runs into one end of a light horizontal spring of force constant 75 N/cm that is fixed at the other end. Use the work–energy theorem to find the maximum compression of the spring.

Q: A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 5.30 cm. (a) Use work and…

A: a)Write the mathematical expression for work energy theorem.

Q: On an essentially frictionless, horizontal ice rink, a skater moving at 6.0 m/sm/s encounters a…

A: Given initial speed= 6m/s Final speed = 2.88m/s Friction force = 0.22Mg = 2.2M Change in kinetic…

Q: A 3-kg block has a speed of v=9 m/s at point O as it travels along a rough incline OA with μk=0.25.…

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Q: A 355 kg box is pulled 7.00 m up a 30°3 frictionless, inclined plane by an external force of 4775 N…

A: The work done by the force is given by Where F = Force applied, S = distance covered, θ = Angle…

Q: Problem 6: The force required to compress a non-standard spring as a function of displacement from…

A: Given: Here is the given function, Fx=ax2-bx Where, a=45 Nm2b=18 Nm To find: A general equation…

Q: A box of mass m is pressed against (but is not attached to) an ideal spring of force constant k and…

A: When the box has mass m Potential energy of box when it was compressed Ui = 1/2 kx2 Let the height…

Q: A 0.40 kg block can slide up and down a rough 10-m-high, 30-m-long slope. At the bottom, a stiff…

A: Given that:Mass of the block, m=0.4 kgHeight of the ramp, h=10 mLength of the ramp, L=30 mSpring…

Q: 15-kg box initially at rest is pushed through a distance of 15 m along a horizontal ground by a…

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Q: A 668 g block is released from rest at height h0 above a vertical spring with spring constant k =…

A: Conservation of mechanical energy, loss in gravitations energy=gain in elastic potential energy.…

Q: A pogo stick has a spring with a force constant of 2.50 × 104 N/m , which can be compressed 10.4 cm.…

A: M= 38 kg  K= 2.5× 104 N/m  x= 10.4 cm = 0.104 m

Q: Find the work done by (a) the 2250N force and (b) friction

A: Mass of cart = m = 25 kg  F = 2250 N  Angle with horizontal = 60°  Distance= d = 7.5 m  Friction =…

Q: A 4.7 g marble is fired vertically upward using a spring gun. The spring must be compressed 5.0 cm…

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Q: A 1260 kg elevator accelerates upward at 1.20 m/s2 for 16.8 m starting from rest. How much work (in…

A: Given: Mass of the elevator is m=1260 kg Acceleration of the elevator is a=1.20 m/s2 Height gained…

Q: 7.40 • A 2.00 kg block is pushed against a spring with negligible mass and force constant k = 400…

A: Given: m = 2.00 kgk = 400 N/mx = 0.220 mθ=37.0°all surface : frictionless

Q: particle is acted on by a conservative force, F = (-Ax + Bx6)î N, where A and B are constants, and x…

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Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

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Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A:

Q: A1.3g marble is fired vertically upward using a spring gun. The spring must be compressed 8.3 cm if…

A:

Q: A 500 kg block is moving at Vo=6m/s along a frictionless Horizontal surface toward a spring with…

A: Write the given values with the suitable variables. m=500 kgv0=6 m/sk=500 N/m Here, m is the mass of…

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A: First, we find the acceleration of the sled. Then we find the force needed to cause the acceleration…

Q: As shown in the figure, the package of mass m = 3.00 kg initially resting at x = 0 on a roller belt…

A: Mass of the package is 3.00 kg

Q: In the figure, a block of mass m = 2.3 kg slides head on into a spring of spring constant k = 380…

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Q: determine the final speed of the box (in m/s) after sliding across the rough section of fl

A: Decrease in kinetic energy is equal to the work done by friction. Ki-Kf=Wf Here Ki is the initial…

Q: A 4.00 kg block is set into motion up a rough inclined plane with an initial speed of v, = 8.60 m/s.…

A: Given m=4.00kg, d=5.00m, θ=20.0⁰ vi=8.60m/s

Q: block with mass m = 2500 gram slides towards a spring with spring constant k = 320 N/m. When the…

A:

Q: A pogo stick has a spring with a force constant of 2.50 x 104 N/m, which can be compressed 12.4 cm.…

A: Given data : Force constant of spring,    k = 2.50 x 104 N/mSpring compressed, x = 12.4 cm = 0.124…

Q: In the figure, a block of mass m = 3.90 kg slides head on into a spring of spring constant k = 320…

A: Given information: Here, m is the block’s mass, k is the spring’s constant, x is the compression,…

Q: MY NOTES ASK A 7.80-g bullet moving at 510 m/s strikes the hand of a superhero, causing the hand to…

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Q: is compressed 25 cm. The block starts out 5 m from p8 point P the surface is frictionless. To the…

A: Part (a) Given: The mass of block is m=5 kg. The force constant of the spring is k=1200 N/m. The…

Q: The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to…

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Q: A box of unknown mass is sliding with an initial speed vi = 6.00 m/s across a horizontal…

A: GIVEN         Intial velocity of box =vi= 6.0m/s        length of Rough section of floor=d=2.8m…

Q: A 3.5 kg block starts with a speed of 16 m/s at the bottom of a plane inclined at 41° to the…

A: (a) suppose the block moves through a distance d. The net work done along the direction of the…

Q: A 70 kg rollerblader skates across a skating rink floor. The graph below shows the net external…

A: Write the expression for the work done. W=F→⋅d→W=FdcosθW=(Fcosθ)(d)

Q: In the figure, a block of mass m = 4.00 kg slides head on into a spring of spring constant k = 230…

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Q: 7.40 A 2.00 kg block is pushed against a spring with negligible mass and force constant k = 400 N/m,…

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Q: A 5.4 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.1 cm…

A: Given Data, Mass of the marble (m)=5.4 g Compressed distance (d)=7.1 cm Height of the target (h)=26…

Q: A 390 kg crate hangs from the end of a rope of length L = 12.0m. You push horizontally on the crate…

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Q: work and energy considerations to find the average frictional force that stops the E uming the…

A: Work energy theorem states that  Work done = change in kinetic energy

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A:

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A: