5 A sled is initially at rest at the top of a hill at an elevation 55.0 m higher than the elevation at the bottom. Find the speed of the sled after it slides without friction down the slope to the bottom. ch 7.42 m/s 32.8 m/s 10.5 m/s 23.2 m/s

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given- Mass of box (m) = 4 Kg, Velocity of box (v) = 5 m/s Distance travelled (S) = 8 m g = 10 m/s2

Q: A 1.50 x 103-kg car starts from rest and accelerates uniformly to 19.2 m/s in 11.7 s. Assume that…

A: Kinematics.

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A: Hint :- 1. Apply energy conservation Particle in circular motion require centripetal force. For…

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A:

Q: A 2.78kg crate starts from rest and slides down a frictionless ramp whose angle is 14.4° with the…

A: Every object on Earth is being pulled down to the surface of the Earth by virtue of the…

Q: 6. A 29.00-kg child initially at rest slides down a playground slide from a height of 2.50 m above…

A: As per our guidelines, we can answer only 1 question. please resubmit remaining questions.

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: In the figure, a horizontal force a of magnitude 20.0 N is applied to a 3.18 kg book as the book…

A:

Q: F, (N) x (m) 0.05 0.10 The graph above shows a conservative force Fx as a function of position x…

A: The area of Force v/s displacement graph tells us about the net work done.Since the area of the…

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.4 m/s as in the figure…

A: Initial speed u = 34.4 m/s Final speed v = 32.0 m/s Maximum height = h

Q: An elevator weighing 3000N ascends at a constant speed of 8.omis. How much power must the motor…

A: Given : Force (F) = 3000 N Speed (v) = 8.0 m/s

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A:

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A:

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A: The mass of snowboarder is Angle of inclination is The hypotenuse of given diagram is…

Q: 36.) When a 2.0 kg science textbook is sitting on a table that is 2.0 meters above the floor, how…

A: It is given that,

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A:

Q: 8. A block with a mass of 30 kg, starting from rest, slides from the top of an inclined plane. The…

A:

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given:- A box of mass m = 4.0 kg  The elevator is moving up at a steady speed u = 5.0 m/s  The…

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A:

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A:

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A: Given Data:- Speed of the car before entering the first drop is vA=4.12 m/s Height of the point A is…

Q: A block slides on the frictionless loop-the-loop track shown in the figure below. Find the minimum…

A: Conserving energy between point of release and top of loop,  mg(h-2R) = 0.5mv2 v2 =  2g(h-2R)…

Q: A ball drops some distance and gains 30 J of kinetic energy. Do NOT ignore air resistance. How much…

A:

Q: 4. The roller coaster car having a mass of 100 kg is released from rest at point A. If the track is…

A:

Q: 2. The 7-oz slider has a speed of 2 ft/s as it passes point A of the smooth wire guide that lies in…

A: Solution:   a) Given that,   The weight of the slider is 7-oz   So,   Wslider=7 oz×1 lb16 oz=0.437…

Q: At point B, a 240.0 kg roller coaster car is moving at 22 m/s. Assuming no friction from points A to…

A:

Q: 4. An object is released from rest at X and slides to Y. The vertical distance between X and Y is 10…

A:

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.6 m/s as in the figure…

A: Initial velocity (V°) = 34.6 m)/s Final velocity (Vf) =33 m/s

Q: The power output (in W) needed from a motor to lift a mass of 1.5 x 104 Kg, 25 m in 6.0 s at…

A: The mass is The displacement of the mass is The lifting time is

Q: A 60 kg woman holds a 9kg package as she stands within an elevator that briefly accelerates upward…

A:

Q: 0.50 kg - = 1.5 m/s r= 0.95 m 2.0 m 1.9 m An engineer is working on a new roller coaster, and he…

A: Your answer is option (b)

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A:

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A:

Q: A 75 kg skier starts with an initial speed of 2 m/s down a 40 m high ramp. They launch off a ramp…

A: