Part A Use work and energy to find Sam's speed at the bottom. Express your answer to two significant figures and include the appropriate units. ? Value Units Submit Request Answer

Q: Part A A 600 N crate slides 12 m at constant speed down a ramp that is tilted 35° above horizontal.…

A: Given: weight of crate mg = 600N distance slides d = 12m angle θ =35°

Q: A 1250 kg car drives up a hill that is 15.2 m high. During the drive, two nonconservative forces do…

A: Given data: -Mass of the car (m)=1250 kgThe work done by fraction (Wf)=−2.91∗105 JThe work done by…

Q: ring A 65 kg bicyclist rides his 9.8 kg bicycle with a speed of 16 m/s. ▼ Part A How much work must…

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Q: Practice Question A stationary car starts to drive up a 50.0 m ramp, which is tilted upward at 25°…

A: Step 1:   Step 2: Step 3:

Q: Part A What is the change in mechanical energy of the airplane if it climbs to a cruising altitude…

A: Given Mass of the airplane = 1865 kg Velocity of the plane = 94.5 m/s Height of the plane =  2520 m…

Q: Part A How much work does gravity do on a 1.9-mg raindrop as the drop falls to the ground from a…

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Q: Part A A system loses 680 J of potential energy. In the process, it does 450 J of work on the…

A: Given: loss in potential energy = 680 J work done on environment = 450 J increase in thermal energy…

Q: e Fat an angle to the Ar cos 8. positive, so the sign of Wis force and the displacement. 1 of 1 What…

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Q: A 75 kgkg student walks up three flights of stairs, a vertical height of about 50 ftft.     Part A…

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Q: How much work must you do to push a 12.0 kgkg block of steel across a steel table (μkμk = 0.60) at a…

A: mass of block of steel (m) = 12 kg coefficient of friction = 0.60 steady speed (v) = 1.2 mstime…

Q: A truck in (Figure 1) has a weight of 31000 lb and an engine which transmits a power of 350 hp to…

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Q: On an essentially frictionless, horizontal ice rink, a skater moving at 5.0 m/s encounters a rough…

A: Given  Initial velocity, U = 5.0 m/s  Final velocity, V = reduced by 40% of U

Q: A box of mass 5.0 kg is accelerated from rest across a floor at a rate of 3.0 m/s? for 5.0 s. Part A…

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Q: Constants Part A The force in Newtons on a particle directed along the z-axis is given by…

A: Work done is given by,

Q: Part A If the coefficient of kinetic friction is 0.24, how much work do you do when you slide a 50…

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Q: In a certain library the first shelf is 13.0 cm off the ground, and the remaining four shelves are…

A: Given: Mass, m = 1.4 kg Average shelf holds 29 books.  Height of the book = 22 cm = 22 x 10-2 m…

Q: A 25 kg air compressor is dragged up a rough incline from 1 = (1.3; +1.3;) m to ř2 = (8.3i +2.6j) m,…

A: Given: Mass of air compressor (m) = 25 kg.

Q: A 0.60 kg object travels from point A to point B. If the speed of the object at point A is 4.0 m/s…

A: The formula for kinetic energy is: K=12mv2

Q: Part A How much work must you do to push a 10 kg block of steel across a steel table at a steady…

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Q: 3. A child throws a ball, which hits a vertical wall at a height of 1.3m above the ball's release…

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Q: Constants A0.143 kg baseball leaves a pitcher's hand at a speed of 32.0 m/s. Part A If air drag is…

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Q: A certain spring stores 11.2 J of potential energy when it is stretched by 2.15 cm from its…

A: Solution

Q: Susan's 13.0 kg baby brother Paul sits on a m Susan pulls the mat across the floor using a ra that…

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Q: Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are…

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Q: kinetic energy?

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Q: You are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top…

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Q: To push a stalled car, you apply a 490 N force at 13 ° to the car's motion, doing 860 J of work in…

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Q: please answer all the parts, and double and triple check your answers, previous tutors got it wrong…

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Q: Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are…

A: mass ,m = 15000 kgslope, coefficient of friction is   Initial speed , u = 38 m/s

Q: POTENTIAL & KINETIC ENERGIES WORKSHEET Show the work and include units in your final answer to get…

A: Potential energy is the stored energy in any object by virtue of its position. PE = mgh where, PE =…

Q: A box of mass70 kg is accelorated from rest across a loor at a rate of 50 m/ for 6 0s. Part A Find…

A: The distance travelled by the box is    △x=v0xt+12axt2         =(0)t+12(5.0 m/s2)(6.0 s)2…

Q: Part A A horizontal rope with 15 N tension drags a 25 kg box 1.5 m to the left across a horizontal…

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Q: Suppose a box is being pulled horizontally a distance d with two forces acting on it, one along the…

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

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Q: How much work does gravity do on the gymnast as she moves 30 cm upward? Express your answer with the…

A: Given: mass of gymnast m = 45 kgspring constant K = 15,000 N/mcompression in spring x = 30 cm = 0.30…

Q: A force of 570 N keeps a certain ideal spring stretched a distance of 0.900 m. Part A What is the…

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Q: Sam, whose mass is 72 kg, straps on his skis and starts down a 64 m -high, 20° frictionless slope. A…

A: Given: Mass of Sam, m = 72 kg Height, h = 64 m Inclination of the slope, θ = 20⁰ Horizontal force, F…

Q: (Figure 1) shows a rope with 15.0 N tension pulling a 2.0 kg physics textbook up a frictionless…

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Q: I need help with this question

A: Additional work require to done  is equal to change in potential energy i.e Work (W) =PE(final)…

Q: Part A A spring of force constant 240.0 N/m and unstretched length 0.220 m is stretched by two…

A: Given data, Force Constant of the spring (k)=240 N/m Unstretched length of the spring (d)=0.220 m…

Q: A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the…

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Q: Susan's 13.0 kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope…

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Q: A clever engineer designs a "sprong" that obeys the force law F₂ = -q(x-x)³, where is the…

A: According to question we need solve three sub part.

Q: A child pulls a sled with constant speed

A: Given: The angle of inclination is θ=30° The distance covered by the sled is d=100 m The coefficient…

Q: A 23.3-kg child descends a slide 3.4 m high and reaches the bottom with a speed of 1.9 m/s. How much…

A: Given data The mass of the child is m = 23.3 kg The height is h = 3.4 m The given speed is v = 1.9…

Q: Part A A horizontal spring with spring constant 140 N/m is compressed 17 cm and used to launch a 2.1…

A: When spring is compressed to x m(0.17 m ) the potential energy stored in it is used to throw the…