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: 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: Consider the 350 kg roller coaster in the figure below. The height at points A, B, and C are 30 m,…

A: The given problem is based upon the concept of kinetic and potential energy . We know that kinetic…

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: You throw a 3.00 N rock vertically into the air from ground level You observe that when it is 150 m…

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Q: A roller-coaster car shown in the figure below is pulled up to point 1 where it is released from…

A: We have a car at point 1 which is at a height y=y1=34 m. Since it is released from this point so…

Q: Constants | Periodic Table Suppose you lift a suitcase from the floor to a table. The work you do on…

A: Suit case has been lifted from the floor to the table

Q: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…

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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: Sam, whose mass is 66 kg, straps on his skis and starts down a 52 m - high, 20° frictionless slope.…

A: Draw the free-body diagram of the mass.

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: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…

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Q: Sam, whose mass is 70 kg, straps on his skis and starts down a 64 m -high, 20° frictionless slope. A…

A: Potential energy=mass*acceleration due to gravity*height Kinetic energy= (mass*speed^2)/2

Q: A wind turbine works by slowing the air that passes its blades and converting much of the extracted…

A: The mass of the air that moves the blades every second is m=92000 kg.The velocity of the air is v=12…

Q: pump is required to lift 810 kg of water per minute from a well 15.0 m deep and eject it with a…

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Q: Part A A typical wind turbine extracts 40% of the kinetic energy of the wind that blows through the…

A: mass= m = 120,000 kg velocity = V = 16 m/s

Q: TRUE or FALSE. Read and analyze each statement carefully. Click TRUE if the given statement is true,…

A: False since work done is given by W = F d cos@ where F = Force d = displacement @ = angle between F…

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: 14.0 kg package in a mail-sorting room slides 3.00 m down a chute that is inclined at 55∘ below the…

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Q: Directions: Fill out everything for each problem. Write neatly! 1) A unicorn suddenly ran through…

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Q: kinetic energy?

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Q: I. Problem Solving. Show your step-by-step solutions. 1. Compute the work done in each of the…

A: Here,  1) m =12 kg h =15m Now, Work done = mgh = 9.8(12)(15) =1764 J

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: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…

A: Given a skateboarder start from point A it attained maximum height = h = 2.71 m above the top of the…

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: As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a…

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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: For each of the following statements, select the letter of the correct graph shape shown in the…

A: Given, where x,m,b and t are positive. So, mωA22 will be positive. Then the energy "E" will be…

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: Energy (J) 4- 3 2 1 0- -1 -2- + ? K₁ + U₁ + W ext = K₁ + Uf + AEth

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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: e if the statement is correct. Otherwise, change the underlined word/s to make

A: Work done=FScosθ

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: Please answer part D of this problem, Make sure you do the right work please and provide the right…

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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…