The figure below shows a bead sliding on a wire. If frictional forces are negligible and the bead has a speed of 200 cm/s at A, what will be its speed (a) at point B? (b) at point C?

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Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

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Q: A pendulum consists of a 1.2 kg stone swinging on a 4.2 m string of negligible mass. The stone has a…

A: The objective of the question is to find the speed of the stone when the string is at 56 degrees to…

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A: Given; Initial speed, v = 2.50 m/sCoefficient of kinetic friction = 0.150Find: (a) Distance the bin…

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Q: A box is given a push across a horizontal surface. The box has a mass m, the push gives it an…

A: given  mass of block, m  coefficient of friction = u= 0.140   initial speed , V = 2.40 m/s  distance…

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Q: In the figure, a frictionless roller coaster car of mass m = 819 kg tops the first hill with speed…

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Q: A 96-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350…

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Q: In the figure below, a small block is sent through point A with a speed of 9.5 friction until it…

A: A fundamental law of physics and chemistry states that the total energy of an isolated system…

Q: a block is sent sliding down a frictionless ramp. Its speeds at points A and B are 2.00 m/s and 2.60…

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Q: 35.6 kg child starting from rest slides down a water slide with a vertical height of 12.5 m.…

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Q: A rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance…

A: Given that,Height : h = 4 (m)Here we need to find the speed car :Now,As we know that,The speed at…

Q: A bin is given a push across a horizontal surface. The bin has a mass m, the push gives it an…

A: It is given that,

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A: Given: h1=20 Change in gravitational potential energy=500 m=2 Formula used: The change in…

Q: At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at…

A: The law of energy conservation,

Q: Suppose a pendulum bob is swinging back and forth. If the highest point is 12.5 cm above the lowest…

A: Recall conservation of mechanical energy KEi+PEi=KEf+PEf

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A: Given data: Mass of the particle m =5.00 kg The height of point A from the ground, hA=5.0 m  The…

Q: A 30 kg bear slides, from rest, 8.5 m down a lodgepole pine tree, moving with a speed of 6.0 m/s…

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Q: A 6,64-kg particle is subject to a net force that varies with position as shown in the figure. The…

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Q: A 2kg block is pushed against a horizontal spring with a force constant k = 400N/m, compressing it…

A: When the spring is compressed, it gains potential energy, which is stored within the spring The…

Q: F (x) = Ax'â N A = -4- m3 where When the body is at position x; = 2.05 m, it is moving with a speed…

A: From Newton’s second law of motion.

Q: For the figure shown below a ball is sliding on a wire. If the friction forces are negligible and…

A: A ball sliding on a wire, No friction. Velocity of ball at "A" , va = 250 cm/s = 2.5 m/s Velocity of…

Q: A 6.64-kg particle is subject to a net force that varies with position as shown in the figure. The…

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Q: a girl and her bicycle have a total mass of 60kg. at the top of the hill her speed is 5.0m/s. The…

A: 21​mv2−21​mu2=−f.d+mgh......where v - speed at the bottom of…

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A: Given: Mass of crate is 24 Kg Force is 225 N Friction coefficient is 0.2 Distance is 21 m

Q: An 80.0-kg skydiver jumps out of a balloon at an altitude of 1 000 m and opens his parachute at an…

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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: A pendulum, 2.0 m in length, is released with a push when the string is at an angle of 25 o from the…

A: The objective of this question is to find the speed of the pendulum at the bottom of its swing. We…

Q: Draw a diagram of a 50 kg box sliding down a 6 meter high plane angled 30o to the horizontal. If the…

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Q: A block of ice with mass of 2.5 kg slides 0.80 m down an inclined plane sloped downward at an angle…

A: Given: Mass of ice block, m = 2.5 kg Block slides down, L = 0.8 m Incline plane angle = 30 degree

Q: dáredevil on a motorcycle leaves the end of a ramp with a speed of 29.0 m/s as in the figure below.…

A: initial speed, u = 29 m/s  speed at highest point. ux = 27.3 m/s

Q: A 25 kg bear slides, from rest, 12 m down a lodge pole pine tree, moving with a speed of 5.6 m/s…

A: Given: Mass of bear m = 25 kg. Height of lodge pole pine tree h = 12 m. Final speed of bear v = 5.6…

Q: Consider a 0.5 kg mass at the top of a 1.5 m high (vertical) incline. if it is allowed to slide down…

A: Given m=0.5kg, h=1.5m

Q: A 2.1*10^3-kg car starts from rest at the top of a 5.0-m-long driveway that is inclined at 20.0…

A: Given, A car is at the top of a driveaway and which has some friction and car starts at rest

Q: A particle of mass 4.2 kg is constrained to move along the x-axis under a single force F(x) =…

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Q: It reaches a maximum verticle height 1.22 m higher than where it started at the bottom. What was the…

A: As the incline is frictionless , energy of the sled will be conserved. Energy at bottom of incline…

Q: A roller coaster starts from rest at a point 45 m above the bottom of a dip. Neglect friction, what…

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