A 700,000 g roller coaster car traveling at 70.0 mph is stopped by a spring with a spring constant of 50,000 N/m. by how much does the spring compress in stopping the car?

Q: A large toy car is pushed horizontally by a spring, and the spring has a spring constant of 135 N/m.…

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Q: A vertical spring with a spring constant of 490 N/m is mounted on the floor. From directly above the…

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Q: A 1.42-kg box rests atop a massless vertical spring with  k = 3960 N/m  that has been compressed by…

A: Given data:  Mass (m) = 1.42 kg Spring constant (k) = 3960 N/m Comparison in spring (x) = 13.5 cm =…

Q: A 4.00-kg mass is connected to a cable attached to a spring with a spring constant of 75.0 N/m. when…

A: Given, The mass , m = 4.00 Kg Spring constant, k = 75.0 N/m Initial velocity , vi = 2.00 m/s∆x =…

Q: Suppose that an object of mass 6.7 g is hung from a vertical spring that is stretched 10.2 cm as a…

A: mg=kx    k=mgx

Q: A 5.4 * 10^5 kg subway train  is brought to a stop from a speed of 0.85 m/s in 0.33 m by a large…

A: Given data The mass of the train is given as m = 5.4 x 105 kg. The speed of the train is given as v…

Q: A hockey puck sliding along frictionless ice with speed v to the right collides with a horizontal…

A: x1 = 1cm v1 =v, v2 =2v From conservation of energy, 1/2kx2 = 1/2mv2 So X12/x22= v12/v22

Q: Starting from rest, a 73-kg person drops a distance of 0.5 m onto an ideal stiff spring of…

A: Given data as per question mass  =  73kg h  =  0.5m x   =  0.08m

Q: A block sliding along a frictionless, horizontal surface with a speed of 1.2 m/s collides with a…

A: We have a block which is moving with a velocity v1=1.2 m/s which compresses a spring to a distance…

Q: A 65.0 kg bungee jumper uses a cord that is 7.66 m long when unstretched with a spring constant of…

A: Given:-  The mass of the bungee jumper is m = 65 kg  The length of the cord is L = 7.66 m The spring…

Q: a 1.8 ball is shot horizontally out of a spring gun from a height of 2.3 and lands 8 m horizontally…

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Q: A 500-g block is released from rest and slides down a frictionless track that begins 2.50 m above…

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Q: An ideal spring is used to stop blocks as they slide along a table without friction. A 0.80 kg block…

A: Given: mass of the block (m) = 0.80 kg                                         speed (v) = 1.6 m/s…

Q: A 45 kg gymnast is bouncing on a trampoline. Model the gymnast as a particle and the trampoline as a…

A: given that,k=15000 NmA=30cm=0.3 mm=45 kgg=9.8ms2

Q: A spring-loaded dart gun is used to shoot a dart straight up into the air. When fully compressed,…

A: Solution

Q: A 2.0 kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it…

A: a) Initial KE of box = m v^2 / 2            = (2×(1.8)^2 )/ 2  = 3.24 J Potential energy = (kx^2)/2…

Q: What is the muzzle velocity of the dart when it is fired? a) 211 m/s

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Q: As shown in the figure below, a box of mass m = 7.40 kg is sliding across a horizontal frictionless…

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Q: truck has a mass of 10,000 kg. It is backing into a loading dock at a speed of 0.5 m/s when it hits…

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Q: A 6.00 x 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.500 m by a large…

A: Given data: Mass (m) = 6.00 × 105 kg Initial velocity (v0) = 0.500 m/s Final velocity (v) = 0 m/s…

Q: 65.0 kg bungee jumper uses a cord that is 3.51 m long when unstretched with a spring constant of 140…

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Q: The 3.8 kg box shown below slides down the ramp from a height of 2.4 m, and strikes the spring.…

A: mass = 3.8 kg h = 2.4 m k = 4.7 N/m

Q: You push a 2.0 kg block against a horizontal spring, compressing the spring by 15 cm. Then you…

A: Given:  Mass of block m=2 kg Length of compression ∆x=15 cm=0.15 m Stopping distance measured from…

Q: A child bounces on a pogo stick, compressing the spring 0.160.16 m with every bounce. If the…

A: compression (d) = 0.16 m Elastic potential energy (E) = 4343 Joules

Q: As shown in the figure below, a box of mass m = 6.00 kg is sliding across a horizontal frictionless…

A: mass , m = 6 kg Initial speed , Vi = 3.2 m/s Spring constant , k = 2800 N/m To find = Spring…

Q: As shown in the figure below, a box of mass  m = 9.80 kg is sliding across a horizontal frictionless…

A: given data as per question mass of box m = 9.8kg initial velocity v = 3.70m/s

Q: A block of mass m = 1.90 kg is dropped from height h = 85.0 cm onto a spring of spring constant k =…

A: SolutionGiven m = 1⋅9 kg          h = 85cm = 0.85m.          k = 1510 N/m.

Q: A spring with k= 360 N/m is compressed x = 11cm by a 1.85 kg block on a horizontal table with…

A: (A) When the block is released up to its maximum compression than the velocity of the mass is zero.…

Q: A block of mass 2.9 kg is sitting on a frictionless ramp with a spring at the bottom that has a…

A: Given data: Mass of the block m=2.9kg Spring constant k=470 N/m The angle of the ramp θ=13° Distance…

Q: At an archery event, a woman draws the string of her bow horizontally back from 0 to 0.416 m with a…

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Q: m under a force of 600 N. What is the spring constant f

A: Given:-  The spring force F = 600 N  The spring compressed within a distance x = 0.4 m  Find:-…

Q: A 500-g block is released from rest and slides down a frictionless track that begins 2.50 m above…

A: SOlution: Given that m  500 g = 0.5 kg h = 2.5 m k = 10 N/m

Q: A marble with a mass of 0.085 kg compresses a spring 5.1 cm. If the spring has a constant k = 150…

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Q: A 1500-kg car moving at 20 m/s hits an initially uncompressed horizontal ideal spring. What is the…

A: The mass of the car is m = 1500 kg. The speed of the car is v = 20 m/s. The compression in the…

Q: As shown in the figure below, a box of mass  m = 7.40 kg is sliding across a horizontal frictionless…

A: Given m=7.40 Kg (mass of box) vi=3.50 m/s (initial velocity of box) vf=0 (final velocity of box)…

Q: A 3.00 kg box that is sliding on a frictionless surface with a speed of 15 m/s approaches a…

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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.