n figure 8.14, an 8 kg cart has an initial speed of 7 m/s in its descent. Disrespect friction and calculate the speed when the block reaches point B.

Q: In the figure, a 3.6 kg block slides along a track from one level to a higher level after passing…

A: Mass of the block m = 3.6 kg Initial speed vo = 6.9 m/s h = 1.1 m μk = 0.603

Q: A 63 kg skier starts from rest at height H = 17 m above the end of a ski-jump ramp (see the figure).…

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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…

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Q: A 15 g bullet traveling parallel to an inclined ramp strikes a 2.74 kg block of wood and becomes…

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Q: A 191 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 3.5 N/cm.…

A: here, mass of the block(m) = 191 g =0.191 Kg spring constant( k)= 3.5 N/cm = 3.5 * 102 N/m…

Q: The figure to the right shows a pool slide of length 5.50 m. The end point of the slide is at 30.0…

A: Length of pool slide = 5.50 m height of end point of slide above water level = 30 cm mass of child =…

Q: A roaller-coaster cart initially moves with a speed of 8.92 m/s up an incline, without friction. If…

A: Given value--- initial speed = 8.92 m/s. mass = 55.6 kg. final speed = 0 m/s . We have to find---…

Q: A 480 g peregrine falcon reaches a speed of 75 m/s in a vertical dive called a stoop. If we assume…

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Q: A 65.0 kg skier with an initial speed of 11.0 m/s coasts up a 2.50 m high rise as shown in Figure…

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Q: A vehicle is travelling at 20.0m/s steadily. If the engine provides 7.8x10 W consistently, what is…

A: Given, speed v = 20.0 m/s            power P = 7.8 × 104 W            resistive force Fr = ? In…

Q: A 30.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

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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 block of mass m = 7.0 kg is given an initial speed of 4.5 m/s up the 0 =22.0° plane shown in the…

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Q: A ball with an i initial speed of 11 m/s moves 63 m to a stop across the room. If the force of…

A: Given data The initial velocity is u=11 m/s The final velocity is v=0 m/s The distance is s=63 m The…

Q: At the moment when a gunman releases a 8 kg shot, the shot is 24m above the ground and travelling at…

A: Let the maximum height be hmax. let the mass of the shot be m. let the potential energy of the shot…

Q: Shown in the figure below is a block and track system. All locations indicated by solid black lines…

A: Given, v1= 1.703m/s  Y1= 0.181m  m= 0.92 kg  k= 24N/m  µ= 0.110

Q: A 60.0 kg skier with an initial speed of 13.0 m/s coasts up a 2.50 m high rise as shown in the…

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Q: During terrible weather at a ski-flying world championship, a ski jumper tried to adjust for bad…

A: Given: The mass of the jumper is 73 kg. The distance from the starting point is 45 m. Introduction:…

Q: Problem 3: A 60.0 kg skier with an initial speed of 17 m/s coasts up a 2.50 m high rise as shown in…

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Q: Problem 10: The speed of a block traveling on a horizontal frictional surface changes from v; = 16…

A: Given data: The initial velocity of the block, vi=16 m/s. The final velocity of the block, vf=11…

Q: A force of 36.ON acclerates a 6.0kg block at 7.0m/s2 along a boriztonal surface. How large is the…

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Q: The spring force is initially greater than friction, so the block accelerates forward. But…

A: Given : Xo=0.400m, m =0.300kg  v²(t) =?

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 box of mass m = 9.3 kg is released from rest at the top of a track that is frictionless except for…

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Q: ight of 2.1 m, its

A: Given: Frisbee mass is 75 g       speed is 12 m/s Distance above ground is 1.1 m height is 2.1 m…

Q: box is placed at the top of an incline at an angle 21.8 degrees to the horizontal. When released the…

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Q: A 99kg solid block slides from point A down a plane inclined 39 degrees to the horizontal. After…

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Q: A 8kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 230N.…

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Q: A 4 kg box starts up a 30° incline with 128J of kinetic energy. How far will it slide up the incline…

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Q: In the figure, a 3.8 kg block slides along a track from one level to a higher level after passing…

A: Given: The mass of the block is 3.8 kg.             The initial speed of the block is 7.0 m/s.…

Q: A ski starts from rest and slides down a 22-degree incline 75 m long. a) If the coefficient of…

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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: By work energy theorem  (1/2)×m×(vf2-vi2) = -mgh - ukmgh  (1/2)×(vf2- 152) = -9.8×2.5×(1+.39)  vf2 =…

Q: A 50 kg box slides down a 6-meter high plane angled 30o to the horizontal. If the coefficient of…

A: We have a box of mass m=50 kg which is sliding down a height of h=6 m plane angled at 30o and the…

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given Mass of the flea (m) = 0.5 mg = 0.5×10-6 kg Length of the flea (L) = 2 mm = 2×10-3 m Height of…

Q: A 1943 kg rollercoaster is released from an initial height of 52 m above the ground and will…

A: Write the energy conservation equation between the initial position and point A.…

Q: In the figure, a 4.2 kg block slides along a track from one level to a higher level after passing…

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Q: 02 UBC Engineering A trapeze artist of a mass of M to 01 = 70° and then rope A is cut. The artist…

A: As ropes do no work , we can do energy conservation because only work done is due to gravity which…

Q: Use the worked example above to help you solve this problem. A skier starts from rest at the top of…

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Q: MY NOTES ASK YOUR TEACH A daredevil on a motorcycle leaves the end of a ramp with a speed of 36.5…

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Q: An engineer is working on a new roller coaster, and he begins by making a scale model. On this…

A: vo=1.5 m/sinitial height, h1=2 mmass of car,m=0.5 Kgfinal height at A, h2= 1.9 m

Q: In the figure below, a small block is sent through point A with a speed of 9.5 m/s. Its path is…

A: Given: In this question, the given figure is, The given value of the speed is 9.5 m/s. And the…

Q: A wood block weighing 1kg slides upward on a ramp with an initial velocity of 20m/s at point A along…

A: Given that a wood block of mass m=1kg is moving up a ramp elevated at Θ=25° with initial velocity…

Q: A box m=78kg is being pulled by a constant force F=106N at an angle of 21degrees  the initial speed…

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Q: A bead of massm = 5.30 kg is released from point A and slides on the frictionless track as shown in…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.