A 1.50 kg book is sliding along a rough horizontal surface. At point A it is moving at 3.21 m/s, and at point B it has slowed to 1.25 m/s. (a) How much total work was done on the book between A and B? (b) If -0.750 J of total work is done on the book from B to C, how fast is it moving at point C? (c) How fast would it be moving at C if +0.750 J of total work was done on it from B to C?

Q: A single force acts on a 1.4 kg particle-like object in such a way that the position of the object…

A: Speed is given by,

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: 6. A 25.0 kg object is accelerated from rest through a distance of 6.0 m in 4.0 s across a level…

A: Work done in moving an object is given by,W= F×d×cosθ......(1)where, F is force applied…

Q: a block slides down an incline. As it moves from point A to point B, which are 5.0 m apart, force…

A: The work done by the force acts on the block is The work done by the frictional force acting on the…

Q: To push a 25 kg crate up a 270 incline, a worker exerts a force of 120 N, parallel to the incline.…

A: Given The mass of the crate is 25 kg. The angle of inclination is 27.0 degrees. The force is 120 N.…

Q: A man pushes a 8 kg object a distance of 5.0 m upward along a frictionless slope that makes an angle…

A:

Q: An archer pulls his bow string back 0.40 m by exerting a force that increases uniformly from zero…

A: displacement of string pulled by archer, s = 0 40 m Initial force applied, Fi = 0  Final force, Ff =…

Q: A force F = 7.3 Ni – 4.5 Nĵ acts on an object. While this force acts, the has a displacement 7 = 1.5…

A:

Q: Suppose a person pushes a box over a distance of 3.88 m with a constant force of 375.2 N. How much…

A:

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…

A:

Q: 4.0 kg starts at rest from the top of a rough inclined plane of height 10 m as shown in the figure.…

A: Givenm=4 kgh=10 mv=10 m/s

Q: s of 4.15kg. Its initial velocity is 14.3m/s and its final is 7.43m/s. Force A has a work of +747J,…

A: Given:-  A ball has a mass of m = 4.15kg.   Its initial velocity is 14.3m/s and its final is…

Q: A 1.5 kg object slides across a horizontal surface with an initial speed of 6.84 m/s. If the object…

A:

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: A 1.5 kg object slides across a horizontal surface with an initial speed of 5.61 m/s. If the object…

A: Given data:  Mass (m) = 1.5 kg Initial velocity (Vi) = 5.61 m/s Final velocity (Vf) = 0 m/s…

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: The work done by non-conservative is responsible for the mechanical energy of system. When work done…

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A:

Q: A block of mass 0.31 kg is released from rest at point A and slides down a curved slope to point B.…

A:

Q: When released from rest, a 170 g block slides down the path shown below, reaching the bottom with a…

A:

Q: A force of 20 N acted on a 5 kg object, moving it a distance of 4 m. How much work was done on the…

A: Given that-                                         Object mass(m)= 5kg…

Q: A 150 kg box is moving with constant speed on a rough surface under the effect of external force (F)…

A: Given data: Mass (m) = 150 kg Box moving with constant speed External force = F Angle (θ) = 30°,…

Q: An applied force of 40.0 N j lifts an object straight up a distance of 1.20 m. If the object has a…

A:

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: A 2.4 kg object slides across a horizontal surface with an initial speed of 7.6 m/s. If the object…

A: SOlution: Given that m = 2.4 kg v = 7.6 m/s

Q: Starting from rest, an 1800 kg car rolls down a hill 22 m high. It reaches the bottom going 15 m/s.…

A: Mass of car (m)= 1800 kg Height of hill = 22 m Velocity at bottom of the hill = 15 m/s

Q: The net work exerted on a box filled with fresh berry during its motion from a point O to a point A…

A: Net work exerted or work done, w= 100 J Combined mass of box  and fruits, m=10 kg Initial speed of…

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.6 m across a rough floor…

A: Given- Mass of crate (m) = 46 Kg Distance (d) = 10.6 m Coefficient of friction (μ) = 0.50

Q: A firefighter climbs a 10 m long ladder that is inclined at 40° to the horizontal.  If she has a…

A: Given Data: The length of the ladder is: L=10 m The angle of the ladder with the horizontal plane…

Q: In the figure shown, if the mass (m=7 Kg) is moving with constant speed and traveled a distance d=10…

A:

Q: In the figure shown, if the mass (m=4 Kg) is moving with constant speed and traveled a distance…

A:

Q: When a car of mass 1167 kg accelerates from 10.0m / s to a certain final speed, 4.00x10 ^ 5J of work…

A: Given Mass m = 1167 kg Initial velocity u = 10 m/s Work done = 4 × 105 J

Q: A 2.2 kg object slides across a horizontal surface with an initial speed of 6.34 m/s. If the object…

A: Answer:  WFμ=-44.21 Joules Explaination: As the object comes to rest the kinetic energy is…

Q: how much work does Ryan to dom to lift a 2.0 x 101 Kg bag of potatoes to his shoulder, 1.7 m above…

A: Given Mass of the bag m = 2.0 x 101 kg Height h = 1.7 m

Q: A roller coaster of mass 800 kg is moving with a speed of 20.0 m/s at position A. At position C, the…

A: Given: The mass of the roller coaster is 800 kg. The final velocity of the roller coaster is 27 m/s.…

Q: A total force of 500 N is applied to pull a box on a rough surface along a distance of 60 m. If…

A: Given : Total force (F) = 500 N Distance (d) = 60 m Work done against friction (Wf) = 1000 J

Q: A 1200 N crate rests on the floor. How much work is required to move it at a constant speed (a) 5.0…

A:

Q: An object is moved on a horizontal surface by a force of 15 N up to a distance of 10 m. The force of…

A: Given Applied force = F = 15 N friction force = f = 7.5 N Displacement = s = 10 m We have to…

Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

A: Given: Force F = 40 N. Angle = 35o Distance ∆x = 30 m To determine: Work done Formula used: W = F ×…

Q: A car with the mass m=1600kg coasts down an incline from an initial height of h=7m with an initial…

A: W=12mv2f-mgh-12mv2i

Q: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 92.5…

A: Work done on an object by a force F is given as- W=F.d=Fd cosθ where,d is the displacemnt of objectθ…

Q: In the figure, a frictionless roller coaster car of mass m = 729 kg tops the first hill with speed…

A: Given, m=729 kg v0=24.0 m/s h=36.6 m a) gravitational force on the car=mg=729×9.8=7144.2 N At point…

Q: You pick up a barbell with weights (total mass: 100.0 kg) from the ground to approximately 0.800 m…

A: Mass of the barbell is m = 100 kg Height of the barbell after lifting it is H = 0.800 m

Q: A man pushes an 80-N crate up a frictionless slope that makes an angle of 30° with the horizontal.…

A: Given: The weight of the object is 80 N. The slope is 30o with horizontal. The displacement of the…

Q: b) up c) 10 N down d) 9 N up Q10: A 2.5 kg block is pushed 5.0 m along a frictionless horizontal…

A:

Q: Two objects are each displaced the same distance, one by a force F pushing in the direction of…

A: Given  distance=d first force=F1=F second force=F2=4F3 at angle 450

Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A: