and it accelerate with 3m/s^2 and move a distance 20 m in a time 4 sec . a) find the final velocity b) The work done

Q: A 1250-kg car drives up a hill that is 16.2 m high. During thedrive, two nonconservative forces do…

A: The expression for the required change in kinetic energy,

Q: Your brand new 75.0-kg refrigerator falls out of the back of your truck while you are traveling up a…

A:

Q: a) Calculate the work of the applied force (in J).   (b) Calculate the work of friction (in J).…

A:

Q: A 54.0-kg skateboarder starts out with a speed of 1.70 m/s. He does +80.0 J of work on himself by…

A: mass of a skateboarder=54kg Intial speed of skateboarder=1.7m/s Work done by feat=80j Work done by…

Q: A 339 kg box is pulled 6.00 m up a 30° frictionless, inclined plane by an external force of 4625 N…

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Q: A twelve-wheeler pulls a four-wheeler car on a distance of 5,000 meters using a rope having an…

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Q: An object of mass 2kg has a velocity of (i4+ j-3)m/s. it is acted upon by a force and its velocity…

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Q: Your brand new refrigerator falls out of the back of vour truck while you are traveling m 45.0*…

A: Your brand new refrigerator falls out of the back of vour truck while you are traveling m 45.0*…

Q: A 5.00-kg package slides 1.50 m down a long ramp that is inclined at 24° below the horizontal. The…

A:

Q: Sheila has just arrived at the airport and is dragging her suitcase to the luggage check-in desk.…

A: Given : force, f = 190 N Angle,  θ = 35° Displacement, d = 45 m

Q: the displacement applied to the object m= 2kg from the origin, the force magnitude is define by the…

A: Given:-  If the force and the displacement are applied to the object m= 2kg from the origin, the…

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: Work 2. An 8.0kg box slides down a surface that is inclined at 53° below the horizontal at a…

A:

Q: A 11.7 kg sled starts from rest at the top of a hill that is inclined at 29.3 degrees to the…

A: Given data as per question mass of sled =  11.7kg angle made with horizontal   =  29.3 distance  =…

Q: 2 54. A 5.0-kg box has an acceleration of 2.0 m/s´ when it is pulled by a horizontal force across a…

A: Given : Mass of a box (m) = 5.0 kg Acceleration (a) = 2.0 m/s2 Coefficient of friction (μk) = 0.50…

Q: Two cars, A and B, are traveling with the same speed of 40.0 m/s, each having started from rest. Car…

A: Work = change in kinetic energy  For A,  WA = ∆KA = (1/2)×1.20 × 103×402  WA = 9.6×105 J  So work…

Q: Calculate the minimum average power that a 35-kg human boy must generate in climbing up the stairs…

A: Given: mass of the boy (M) = 35 Kg            height of the building (h) = 170 m            Time…

Q: A 19.1 kg block is dragged over a rough, horizontal surface by a constant force of 174 N acting at…

A: The work done(W) by any force (F) on a body to move it by a displacement s, is given as, W = F→.s→ W…

Q: A 9.00 kg package in a mail-sorting room slides 2.30 m down a chute that is inclined at 54.2 degrees…

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Q: A 2.3 kg mass is initially at rest upon a horizontal surface. It is then acted upon by an applied…

A:

Q: A 55.2-kg skateboarder starts out with a speed of 1.94 m/s. He does 85.6 J of work on himself by…

A: The work energy theorem for nonconservative force is:-  Wnc =  ΔK E + ΔP E ΔK E IS THE CHANGE IN…

Q: Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average…

A:

Q: A 550 kg elevator is pulled upward by a constant force of 6.5 kN for a distance of 60.0 m. a) Find…

A:

Q: Your brand new 75.0-kg refrigerator falls out of the back of your truck while you are traveling up a…

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Q: A 0.60-kg particle has  a speed of 2.00 m/s at point (A) and kinetic energy of 7.5 J at point (B).…

A:

Q: Starting from rest, a 4.2-kg block slides 2.20 m down a rough 30.0° incline. The coefficient of…

A: Given Data: The mass of  a block is, m=4.2 kg The distance at which box slides is, d=2.20 m The…

Q: A horse is towing a canal boat, the tow rope making an angle of 10° with the towpath. If the tension…

A: Work done by tension force is given by W= Fd cos∅ where ∅ is the angle between townpath and the rope…

Q: Determine the work done on the book by Fa.

A:

Q: Lamar Gant, U.S. powerlifting star, became the first man to deadlift five times his own body weight…

A: the force due to gravity can be expressed as F=mg=300 lb9.8 m/s2=300 lb×0.4536 kg1 lb9.8…

Q: 1. A 50 kg sled is pushed by applying a force F = 400 N, as shown, with @= 30°. The surface is rough…

A: Hi, you have submitted multiple subpart questions and it is not specified which parts problem you…

Q: In the figure shown, if the mass (m-6 Kg) is moving with constant speed and traveled a distance d-14…

A: Frictional force, f =μ n Where, n = mg m = mass of the body g = gravitational acceleration Workdone…

Q: You throw a stone with a mass of 215 g straight up in the air. It reaches a maximum height of 12.0…

A: Given : Mass of stone (m) = 215 g = 0.215 kg Height (h) = 12 m

Q: A 5.00-kg package slides 1.50 m down a long ramp that is inclined at 24° below the horizontal. The…

A: Work done by a force on a body to move it a certain distance is given by W = F.s = Fs cosθ, where F…

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

A:

Q: ** 20. A string exerts an upward tension force of 45 N on a 5-kg blo ck as it slowly lowers the…

A: Given:Mass of the block = 5 kgTension in the string = 45 NDistance traveled by the block = 4 m

Q: A smooth 0.165 kg hockey puck slides along a smooth floor at an initial speed of 1.0 m/s, and stops…

A: Given Mass of hockey puck is m=0.165 kg Initial speed of puck is vo=1.0 m/s Final speed of puck is…

Q: A 10 N force [upward] is applied to move an object 2.3 m in horizontal direction. Calculate the work…

A: Write the given values with the suitable variables. F=10 N upwardd=2.3 m Here, F is the force and d…

Q: A cheerleader lifts his 68 kg partner straight up off the ground a distance of 0.72 m before…

A:

Q: A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21…

A: a) work done by applied force  = 57×4.9×Cos21° = 260.75 J

Q: A 5 kg package slides 2.8 m downward from an inclined-plane that makes an angle of 24º with the…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 50 N force is applied to a 20 kg cart which was displaced at 150 m from rest on a surface applying…

A: Given: The applied force is 50 N. The mass of the cart is 20 kg. The displacement of the cart is 150…

Q: *10. ao A 55-kg box is being pushed a distance of 7.0 m across the floor by a force P whose…

A: Given:- Mass of box m= 55 kg Distance s= 7 m P= 160 N Kinetic friction ,μ= 0.25

Q: A 6.00 kg package slides 2.50 m down a long ramp that is inclined 20° below [2.) the norizontal. The…

A: Work = It is the dot product of force vector and displacement vector.  W = F.d  F = force vector d =…

Q: A 58.1-kg skateboarder starts out with a speed of 2.03 m/s. He does 108 J of work on himself by…

A: Given:- Wp= work done by the person due to pushing with his feet against the ground. = 108 J Wf=…

Q: A 12.0 kg box is given an initial push that starts it sliding across the floor. It eventually comes…

A: Given,

Q: A spring whose natural length is 14cm exerts a force of 29N when stretched to a length of 19cm. (a)…

A:

Q: State an example in which a force is exerted on an object without doing any work on the object.

A: When the force applied on the object is perpendicular to the displacement of the object, the work…