A box slides down a frictionless incline. The box starts from rest at the top of the incline and has a speed of 5.0 m/s at the bottom. Using principles of work and energy find the height of the incline? 0.75 m None of the above O 6.8 m 1.3 m O 0.26 m 12 m

Q: A force acting on an object moving along the x axis is given by Fx = (14x - 3.0x3) N where x is in…

A: Given: The force on the object is Fx=14x-3.0x3. The object moves from -1.0 m to +2.0 m.

Q: A force of F = 1.12 x 104 Newtons does work of W = 1.18 x 10° Joules. What is = Work Force)? the…

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Q: A man applies a force of 500 N to push a truck 10 m down the street. How much work has been done?…

A: Force, F = 500 NDisplacement, x = 10 m

Q: A horse pulls a cart with a force of 40 lb at an angle of 30° above the horizontal and mi How much…

A: The solution is given below

Q: It requires 6.0 J of work is needed to push a 2.0-kg object from point A to point B up a…

A: Let h be the height of point B with respect to point A and l be the length of the ramp from A to B.…

Q: 6. A child does 350 J of work to lift a box from the ground up to his tree house at a steady speed.…

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Q: 3An elevator lifts a load of mass 10 kg a distance of 50m in 14 s. Find the work done and the power…

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Q: A pulley is 88.5% efficient. You are using it to raise boxes that weigh 1,360 N to a height of 2.60…

A: The given values with suitable variables are listed below. Here, η denotes the pulley’s efficiency,…

Q: To bring his coconuts to the market, a distance of 15.0 m from where he is, a vendor pushes his cart…

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Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 9.0 m/s, the net…

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Q: What is the work done by the moving force in Joules

A: Mass, m=7Kg Velocity, v=20m/s Height, h=8.75m

Q: Can the normal force on an object ever do work? yes no

A: Yes sometimes Normal force also do works on an object.

Q: Question 15 A baker pushes a cart full of rolls with a force of 20.0 N for a distance of 4.0 m. How…

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Q: A 213 kg crate slides 7.6 m until coming to a stop after being pushed by a large man. The effective…

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Q: A 4.6 kg box has an acceleration of 2.4 m/s when it is pulled by a horizontal force across a surface…

A: Basic Details The horizontal forces are the summation of the force due to acceleration and due to…

Q: You pull a friend up a 60 m rocky slope, with a tension force in the rope of 450 N. The slope is…

A: we have given that, Distance for pulling is d=60m Also tension force is F=450N Let us suppose…

Q: Suppose a person pushes a box over a distance of 4.38 m with a constant force  of 330.2 N.  How much…

A: The solution is given below

Q: It requires 6.0 J of work is needed to push a 2.0-kg object from point A to point B up a…

A:

Q: Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high as shown in the figure…

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Q: Using 1000. J of work, a small object is lifted from the ground floor to the third floor of a tall…

A:

Q: نقطة واحدة The block is being pulled along the ground by a 50 N force directed 60 degree above the…

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Q: A 1400 kg car accelerates from 5 m/s to 10 m/s. The net work done by the car is VI V2 500 kJ 200 kJ…

A: Given: The mass (m) of the car is 1400 Kg. The initial velocity (u) of the car is 5 m/s. The final…

Q: A 112 lb student races up stairs with a vertical height of 9 m in 5.3 s to get to a class on the…

A: Data Given ,  Mass of the student ( m ) = 112 lb                = ( 112 / 2.2046 ) kg = 50.80 kg…

Q: A particle of mass m= 4kg is released from point A and slides on the frictionless track shown in…

A: The work done by gravity is the change in the gravitational potential energy. gravitational…

Q: If gravity is pulling a 0.15 kg ball down 2.0 meters, what is the magnitude of the force doing work…

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Q: A force of 25.0 N is exerted upwards on an object to lift it a distance of 3.20 m. What is the total…

A: work is component  of the applied force is in direction of displacement .   in this question  we…

Q: A stone with a mass of 2.40 kg is moving with velocity (5.20î – 1.80ĵ) m/s. (HINT: v2 : () What is…

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Q: You push your 1,000 N car up a ramp that is 15 m long and forms an angle of 15 degrees above the…

A: Given data:  Weight of car (mg) = 1000 N Distance (d) = 15 m Angle (θ) = 15°, above the horizontal…

Q: A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 12-N force acting 300…

A: Given data:  Force (F) = 12 N Angle (θ) = 30° above the horizontal  Distance (s) = 8.0 m Required:…

Q: A certain spring whose normal length is 42 cm is stretched 6.3 cm by a force of 18 N. How much work…

A: Given Data: The normal length is, L =42 cm. The stretch is, x = 6.3 cm. The force required is, F =…

Q: A person pulls a crate 41.3 meters along a horizontal floor by a constant force 118.4 N, which acts…

A:

Q: A bodybuilder lifts a 350 N set of weights from ground level to a position over his head, a vertical…

A: Step 1Work done by a system iswhere F is the force and d is the distance travelled by the system

Q: A 22kg crate is at rest on a ramp with an incline of 25 degrees. There is a coefficient of kinetic…

A: Given data: Mass of crate(m) = 22 kg Angle of incline (θ) = 25° Coefficient of kinetic friction (μk)…

Q: block of mass 0.40 kg moves in a straight line as shown in the figure. Suppose its speed is 5.00 m/s…

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Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Given:  Variable force, F=9x2-2x Let's find W.D from x=1 m to x=5 m.

Q: A man pulls a 4.6-kg sled 50 meters along an angled hill with a force of 36 N, which elevates the…

A:

Q: Using 1000. J of work, a small object is lifted from the ground floor to the third floor of a tall…

A: Given parameter                        Work(W) = 1000J                        Time (T) = 20s

Q: Q6. A 500 kg cloth bag is pulled up a smooth plane 6 m long to a platform which is 4 m above the…

A: Given  mass of cloth bag m=500kg height above ground,h=4m g=10m/s2

Q: Ben carries a 250 N suitcase up three flights of stairs (a height of 12.0 m) and then pushes it with…

A: Given data as per question weight of suitcase =250N Height =12 m Horizontal force =50N Speed =0.10…

Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Work done  W=∫x1x2Fdx=∫159x2-2xdx=9x33-2x2215=9533-2522-9133-2122=348 J

Q: A spring has a natural length of 6 m. If a 4-N force is required to keep it stretched to a length of…

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Q: You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m…

A:

Q: A truck of mass 3000 kg is to be loaded onto a ship using a crane that exerts a force of 31 kN over…

A: Given data: m=3000 kgd=2 mF=31 kN Need to determine the upward speed of the truck after 2m…

Q: A force (-4i+2)N moves an object from the point P (1, 3) m to the point Q (3, 8) m. The work (in J)…

A: Given data: Force F=(-4i+2j)N Point P=(1,3)m Point Q=(3,8)m

Q: A 18 kg sled starts up a 28 degree incline with a speed of 2.3 m/s. The coefficient of kinetic…

A: Drawing free body diagram for sled:-   Net force along vertical direction, ΣFy = Fn = mg cosӨ = 0…

Q: The figure below shows an object with a mass of m = 7.60 kgthat starts from rest at point A and…

A: Given

Q: If gravity is pulling a 0.15 kg ball down 2.0 meters, what is the magnitude of the force doing work…

A: Given: The mass is 0.15 kg. The distance covered is 2.0 m.

Q: A child of mass m = 29 kg slides down a slide of height h = 2.4 m without friction. Let…

A: Given: The mass of the child is 29 kg. The initial height of the child from the ground is 2.4 m.