A 60.0 kg skier with an initial speed of 14.0 m/s coasts up a 2.50 m high rise as shown in the following figure.   Find her final speed at the top (in m/s), given that the coefficient of friction between her skis and the snow is 0.0800. (Hint: Find the distance traveled up the incline assuming a straight-line path as shown in the figure.)

Q: A 36.0-kg crate, starting from rest, is pulled across a floorwith a constant horizontal force of 225…

A: According to the work-energy theorem, the changing in kinetic energy of the crate must be equal to…

Q: A 70.0 kg skier with an initial speed of 14.0 m/s coasts up a 2.50 m high rise as shown in Figure…

A:

Q: at an amusement park, a swimmer uses a water slide to enter the main pool.the swimmer slides without…

A:

Q: A 0.150kg glider slides on an ice pond with negligible friction with speed of 0.8 m/s. It has a…

A:

Q: An object of mass m=2kg starts from rest and moves down along an incline as shown in the figure…

A:

Q: NUME O A 70 kg man runs up a long flight of stairs in 4 s. The vertical height of the stair is 4.5m.…

A: 1. Given :  m = 70 kg t = 4 s h = 4.5 m

Q: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: Given data- Mass of skier =60 kg Initial speed vi=15 m/s Height h=2.50 m Coefficient of kinetic…

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 38.9 m/s as in the figure…

A: KEBottom-KEtop=PE0.5mvbottom2-0.5mvtop2=mghh=0.vbottom2-0.5vtop2g

Q: d of mass m starts from rest and slides without friction from a height h along a curved waterslide…

A: Motion of projectile can be divided into x component and y component

Q: A block of ice with mass 3.00 kg slides 2.00 m down an inclined plane that slopes downward at an…

A:

Q: Coal is lifted out of a mine a vertical distance of 61 m by an engine that supplies 655 W to a…

A:

Q: A 600 kg roller coa sters starts at A and moves to B and then to C under the influence of gravity…

A:

Q: For a block of mass m to slide without friction up the rise of height h shown, it must have a…

A: Step 1It is given that m is the mass of the block and it has to rise up at a height h without…

Q: An Olympic swimmer stands on top of a platform at a height H above a swimming pool. At the moment of…

A:

Q: A 65.0 kg skier with an initial speed of 13.0 m/s coasts up a 2.50 m high rise as shown in the…

A: The mass of the skier, m=65.0 kg The angle of elevation, θ=35° The initial speed of the skier,…

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A:

Q: Two stones, one of mass m and the other of mass 2m, are thrown directly 10 pua upward with the same…

A: Given: The mass of the first stone is m. The mass of the second stone is 2m. Introduction: The…

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough…

A: Given Data:- Mass of the block is m=2.25 kg Length of the rough path is l=15.0 cm=15.0cm×1 m100…

Q: If the four Pratt & Whitney PW4000 turbofan engines of a Boeing747-400 aircraft do 5.62 Million…

A:

Q: A 67.97-kg skier with an initial speed of vi=36.26 m/s coasts up a H=14.84-m-high rise as shown in…

A: Given :Mass of skier m = 67.97 kgInitial speed u = 36.26 m/sCoefficient of friction μ=0.147

Q: A hockey puck is given an initial speed of 5.0 m/s. If the coefficient of kineticfriction between…

A: Given,The initial speed of the puck, v = 5.0m/sThe coefficient of friction between the puck and the…

Q: A 60.0 kg skier with an initial speed of 11.0 m/s coasts up a 2.50 m high rise as shown in Figure…

A: The below figure represents the distance travelled up the plane by a 60kg skier with an initai speed…

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: M= 108 kg  U= 9.5 m/s  Angle is 8.62° ( by trigonometry)

Q: If you throw a ball with mass m upward to height h, the gravity does work? Choose the answer a)…

A: suppose we throw a ball upward to a height h then gravitational force will act on it in the vertical…

Q: A 2-kg block is pushed against a spring with k= 500 N/m, compressing the spring by 20 cm. The block…

A: Mass of block m= 2 kg Spring constant k= 500 N/m Spring is compressed to x= 20cm =0.20 m

Q: puck’s

A: The work-energy theorem can be applied here, work done=change in kinetic energy Work done by a body…

Q: A 5kg block was released from rest on top of a quarter circular surface. If the vertical height from…

A: Given data:  Initial velocity = 0 m/s Mass (m) = 5 kg Vertical height (h) = 4 m Acceleration due to…

Q: A 48.46-kg skier with an initial speed of vi=42.03 m/s coasts up a H=11.46-m-high rise. The slope…

A: Given data: Mass of the skier, m=48.46 kg Initial speed, vi=42.03 m/s Height of the skier, H=11.46 m…

Q: A 121.79-kg skier starts with an initial speed of 24.77 m/s and coasts up a H=8.92-m-high rise as…

A: Mass of skier (m) = 121.79 kg Initial speed (u) = 24.77 m/s H = 8.92 m speed at top (v) = 10.21 m/s…

Q: A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the…

A:

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: Mass of man (m) = 108 kg Initial speed (u) = 9.5 m/s Height of final level above the ground (h) =…

Q: A 30.0-kg child starting from rest slides down a water slide with a vertical height of 10.0 m. What…

A: mass of child(m)=30 kg vertical height(h)=10m as child is coming down its potential energy is…

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough…

A: Given: d = 15 cm = 0.15 m v = 3.80 m/s u = 0.770 To find: h = ?

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough…

A: Given:-  mass of the block =2.25 kg  Kinetic friction coefficient =0.590 Speed after crossing the…

Q: As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the…

A: mass of block= 2.25 kg Coefficient of Kinetic friction= μk=0.6 rough patch width, s= 15 cm or 0.15m

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: 30°

A: Given: Mass of the block = 4.0 kg. Initial velocity of block = 3.5 km/hr. = 0.972 m/s. Height of…

Q: A single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: A 55.0 KG skier with the initial speed of 10.0 M/S Coast of a 2.50 M hi rise as shown in figure…

A: We need to find the speed of the skier at the top of the hi rise.

Q: A block of ma65 m-2.00 kg is released from rest ot h=0.500m above the surface of a table, at the top…

A: Given: Mass of block, m = 2 kg Height from top of the table, h = 0.500 m Angle making with…

Q: An object starts from rest and moves a distance d due to the presence of a net force F_net. If the…

A: Option- a is correct answer. Since change in kinetic energy produced work done . So E=F×d Where E =…

Q: A 60.0 kg skier with an initial speed of 13 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: Write an expression using Newton’s second law of motion along the incline

Q: A 60.0 kg skier with an initial speed of 12.5 m/s coasts up a 2.50 m high rise as shown in the…

A: Given:Mass of the skier = 60 kgInitial speed of the skier = 12.5 m/sHeight of the ramp = 2.5…

Q: A 65.0 kg skier with an initial speed of 14.0 m/s coasts up a 2.50 m high rise as shown in Figure…

A: Given Mass of the skier                    m = 65.0 kg Initial speed of the skier         u = 14.0…

Q: A 56.32-kg skier with an initial speed of vi=44.29 m/s coasts up a H=15.4-m-high rise as shown in…

A:

Q: A 97.49-kg skier with an initial speed of vi=34.93 m/s coasts up a H=11.75-m-high risel.  The slope…

A: Given,Mass of the skier, m = 97.49 kginitial speed, vi = 34.93 m/sheight, H = 11.75 mslope of the…

Q: A 84.04-kg skier with an initial speed of vi=39.55 m/s coasts up a H=12.44-m-high rise. The slope…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.