he surfer in the photo is catching a wave. Suppose she starts at the top of the wave with a speed of 2.83 m/s and moves down the wave until her speed reaches 10.4 m/s. The drop in her vertical height is 2.84 m. If her mass is 70.9 kg, how much work is done by the (non-conservative) force of the wave?

Q: A student whose mass is 55 kg climbs stairs from the fırst to the third floor of the physics…

A: mass of student (m) = 55 kg vertical distance (h) = 10 m

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

A: Given : Wnc = +40 J Wc = -60 J

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: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 97.5…

A: Normal force on sled is mgcosθ Friction force: Substitute mgcosθ for  in above equation. Here; =…

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

A: Given : Wnc = +40 J  Wc = -60 J

Q: A worker pushes a sled with a force of 40 N over a level distance of 6.0 m. If a frictional force of…

A: Given data:  Applied force (F) = 40 N Distance (d) = 6.0 m Frictional force (f) = 12 N, in opposite…

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: A single force acts on a 3.2 kg particle-like object in such a way that the position of the object…

A:

Q: 10-kg dog is running with a speed of 5.0 m/s. What is the minimum work required to stop the dog in…

A: Given: The mass of the dog is 10 kg. The initial speed of the dog is 5 m/s. The final speed of the…

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

A: Solution:-work done by Non conservative force w1=-40 Jwork done by conservative force w2=60 J

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

A:

Q: In the figure below, a 0.250 kg block of cheese lies on the floor of a 891 kg elevator cab that is…

A: Let us write the relation for the resultant force.  F+FN+m-Mg=m+Ma                 1 The…

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: 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: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

A: mass of suitcase (m) = 10 kg Height of stairs (h) = 12 m g = 9.8 ms2

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

A:

Q: The force F = (6.64 N)i + (6.93 N)j acts on a particle as it moves first along the x axis from x =…

A: Introduction: Energy is the is the conserved quantity. When body move from one place to another…

Q: O (S): A 50-N force is the only force on a 2-kg object that starts from rest. When the force has…

A: Given: Force = 50 N Mass of the object =2 kg Distance =2 m v0=0 General equation of motion: v2= v02…

Q: How much work is done on a downhill skier by an average breaking force of 813 newtons to stop her in…

A:

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A: Write the given values of the problem-  the block is pulled out then-x=5 cm force of the…

Q: In the figure, a 0.24 kg block of cheese lies on the floor of a 950 kg elevator cab that is being…

A: (a)The net force on the block is,

Q: A box of mass 25.0 [kg] slides down from the top of a surface inclined at 50.0◦ with height of 10.0…

A: Calculate the distance d moved by the box from the top to the bottom of the incline.…

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 cord is loaded with a brick and is pulled at a constant speed up along an inclined plane 25…

A:

Q: The figure shows a cord attached to a cart that can slide along a frictionless horizontal rail…

A: Change in kinetic energy = ?

Q: What is the total work of an individual (65kg) walking up a flight of stairs (12 stairs), with each…

A:

Q: A can of sardines is made to move along an x axis from x = 0.26 m to x = 1.11 m by a force with a…

A:

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A: Applied force (F) = 360 N Initial extension (d)= 5 cm = 0.05 m

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

A:

Q: A man pulls a 4.6-kg sled 50 meters along an angled hill with a force of 36 N, which elevates the…

A:

Q: A 0.600-kg particle has a speed of 2.00 m/s at point Ⓐ and kinetic energy of 7.50 J at point Ⓑ. What…

A:

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: Mama Mia has a mass of 65kg and is carrying a tray of turkey with a total weight of 55N .if she…

A: Mama Mia is moving in a horizontal direction (I think with no acceleration).Force acting on Mama Mia…

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: Before railroads were invented, goods often traveled along canals, with mules pulling barges from…

A:

Q: The surfer in the photo is catching a wave. Suppose she starts at the top of the wave with a speed…

A:

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 1.5 kg hockey puck initially moving at 4.9 m/s slides 12 m along the ice before coming to rest.…

A:

Q: The figure shows a cord attached to a cart that can slide along a frictionless horizontal rail…

A: Given that :Height of the cord(h)  h=1.2 msides of cord- x1=4.0 m x2=2.0 m Tension in the cord is a…

Q: The graph shows the x component of a force that acts on an object that moves on the x axis. The…

A:

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

A:

Q: A conservative force acts on an object from the initial point (x = 2, y =3) to the final point (x =…

A: Given : Initial position = (2,3) Final position = (3,4) U = x2y