A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 68.0 kg, and the height of the water slide is 11.8 m. If the kinetic frictional force does -5.72 × 103 J of work, how fast is the student going at the bottom of the slide?

Q: >) A child does 8.97 x 10² J of work in pulling a sleigh 45.3 m along a snowy horizontal surface.…

A:

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 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: A machine carries a 7.0 kg package from an initial position of d; = (0.7 m) i + (0.79 m)j + (0.25…

A: Given data: Initial position of the machine, di→=0.7 mi^+0.79 mj^+0.25 mk^ Final position, df→=11.5…

Q: The graph shows the force on an object as a function of position. What is the work done on the…

A: Given data: Force as a function of position Required: Work done on the object

Q: In the figure, a horizontal force Fa of magnitude 20.0 N is applied to a 3.17 kg book as the book…

A: We know that work done is equal to  W=Fdcosθ......(1) Work done = change in kinetic energy

Q: A skier of mass 65 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

A: Given:-  mass of the skier m= 65 kg  height h= 85 m  slop is θ=30° The speed of the skier is v= 2.2…

Q: A 4.25 kg object slides in a 38 degrees inclined plane from the top to bottom. The height is 1.9…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: A cart is loaded with a rock and pulled at constant speed along an inclined plane to the height of a…

A:

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

A: Non-conservative forces are dissipative forces. These forces take energy away from the system as the…

Q: When 150 J of work is done on a system by and external force of 15 N in 20. seconds, the total…

A: The work done on the system is 150 J by the external force force of 15 N is 20 sec.

Q: A person exerts a horizontal force of 500 N on a box, which also experiences a friction force of…

A: Given data: Force applied by person on the box = 500 N towards the right. Friction force on the box…

Q: which of the following is  negative work being done?   Question 10 options:   A man pushes with a…

A: Correct option is (c) An object is pushed with a force of 25 N when the frictional force is a…

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Given: Mass of the object, m = 50 kg Displacement, S = 25 m  Force, F = 600 N  Initial velocity of…

Q: Chapter 07, Problem 047 A machine carries a 7.0 kg package from an initial position of d; = (0.7 m)…

A: The work done by a body is the scalar product of the force applied and the displacement of the body.…

Q: A box of weight 1.00 N moves at a constant speed across a horizontal floor for a distance of 2.00…

A: Given data The weight force of the box is F = 1 N. The horizontal distance traveled by the box d = 2…

Q: An object moves from point A to point B under the influence of only two forces. Between points A and…

A: Given : Work done by conservative force = 150 J Work done by non conservative force = -100 J Total…

Q: 300 J of work are required to fully drive a stake into the ground. If the average resistive force on…

A:

Q: A force F = (7.10N)Î + (4.00 N)ĵ + (5.00 N) k acts on a 1.70 kg mobile object that moves from an…

A:

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

A: Answer  option(A) the potential energy of object decreases,mechanical energy decreases

Q: A mother does 220 J of work while pulling her child back on a frictionless swing, whose chain is 4.7…

A: Correct Answer: The mass of the child is 26.4 kg. Note: Please recheck your given option as all the…

Q: worker applies a force of 190 N, directed 22° below the horizontal. As the crate moves 3.3 m, How…

A: Given :-  F = 190 N  S = 3.3 m m = 52 kg  directed 22° below the horizontal

Q: The coefficient of kinetic friction between a crate and the floor is 0.50. If the crate has a mass…

A: Given: The coefficient of kinetic friction (μk) between the crate and the floor is 0.50. The mass…

Q: Michael pulls a cart 30 m along a sidewalk with a tension force of 80 N. The force is directed 25⁰…

A:

Q: A force F = (2.5 + 8.4j + 6.4k) N acts on a 3.6kg object that moves in 2.3s from an initial position…

A:

Q: A force É = (7.10N)i + (4.00 N)ĵ + (5.00 N) k acts on a 1.70 kg mobile object that moves from an…

A:

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

A:

Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: The correct option is (a).  i.e   ~  7.2m

Q: A force F = bx3 acts in the x direction, where the value of b is 3.7 N/m3. How much work is done by…

A:

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

A: We know that, when work is done it decreases the energy of the system. And also,  Conservative force…

Q: A 41.00 kg block starts from rest at the top of a 25.0 m long 30.0° incline. Its kinetic energy at…

A:

Q: A machine carries a 3.5 kg package from an initial position of d, (o.50 m)i + (0.75 m)j + (0.20 m)k…

A: Given data: The mass of the package is m=4 kg  The initial position is di=(0.50 m) i+(0.75 m)j+(0.20…

Q: A skier of mass 61 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

A: (a)   The work required to pull the skier on the slope can be determined as follows. W=Fsloped=61…

Q: In the figure, a horizontal force F, of magnitude 20.0 N is applied to a 3.17 kg book as the book…

A: Given that, the value of force and mass and distance and also given the angle. Then We have to…

Q: An apple falls from a tree and drops straight to the ground. Its initial height was 2.3 m , and its…

A:

Q: How much total mechanical work does a weightlifter do in 10 repetitions of lifting (and lowering)…

A:

Q: Three forces, F1 = 20.0 N, F2 = 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg…

A:

Q: A force É = (4.40 N) î + (3.00 N)ĵ+ (1.80 N) k acts on a 5.40 kg mobile object that moves from an…

A: Using the force and work done relation to solve the problem

Q: An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four…

A: Acceleration of the object F→net=ma→a→=F→netma→=11.1 Ni^+28.6 Nj^+52.1 N-i^+17.4 N-j^16.0…

Q: A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in…

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

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

A:

Q: A 65g Frisbee is thrown from a point 1.20 m above the ground with a speed of 12.00 m/s. When it has…

A:

Q: Starting from rest at t = 0, a 5.0-kg block is pulled across a horizontal surface by a constant…

A:

Q: A force É = (1.90 N )î + (1.00 N )ŷ + (4.30 N )k acts on a 5.70 kg mobile object that moves from an…

A: (a) Let W be defined as the work done. Therefore, W=F→.ds→=F→.d→f-d→i

Q: A food shipper pushes a wood crate of cabbage heads (total mass m = 14 kg) across a concrete floor…

A: Write the given values with the suitable variables. m=14 kgF=60 Nd=0.8 mv0=0.8 m/sv=0.3 m/s Here, m,…

Q: A dog (of mass 50 kg) is happily sliding down a hill that has a coefficient of kinetic friction of…

A:

Q: Consider again pulling a 60 m rope up a cliff face, where the rope has a mass of 66 g/m. At what…

A:

Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: Given: Initial velocity of student is 0 m/s. Force applied is 52 N. Final kinetic energy is 345 J.…