spring with an elastic constant of 200 N / m is compressed horizontally by 10 cm with a 200 g ball resting against its free end. The ball is released from rest, travels a horizontal surface without friction and jumps into the air. Find its speed v when it has descended 80 cm through the air. Neglect friction with

Q: A block of mass 11.8 kg slides from rest down a frictionless 35.6∘∘ incline and is stopped by a…

A: Since the incline is frictionless and no other non-conservative forces are acting on the system, the…

Q: a ball of mass m = 60 g is shot with speed vi 22 m/s into the barrel of a spring gun of mass M 240 g…

A: Given: Now,  (a) What is the speed of the spring gun after the ball stops in the barrel Now, Final…

Q: Block A of mass 4.00 kg moves along a horizontal surface, and collides elastically with block B,…

A: Mass of block A (m) = 4 kg mass of block B (m') = 7 kg Spring constant (k) = 225 N/m Maximum…

Q: A block of mass ? = 5.0 kg is connected to one end of a horizontal spring of k = 400 N/m on a rough…

A:

Q: A block of mass m = 0.32 kg is set against a spring with a spring constant of k1 = 681 N/m which has…

A: Using the conservation of energy, 12k1d12-μkmgx=12k2d22

Q: A pendulum of length L = 1.0 meter and bob with mass m = 1.0 kg is released from rest at an angle…

A:

Q: A 1.63 kg ball rolls on a frictionless horizontal surface at 5.5 m/s and collides with a stationary…

A: Mass of the ball m1=1.63 kg, velocity of the ball before collision u=5.5 m/s, velocity of ball after…

Q: A 12g bullet is fired horizontally against a 100 g wooden block resting on a rough horizontal…

A: Apply conservation of mechanical energy to block embedded bullet.…

Q: A 0.150 kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal…

A: Given data The mass of the block is m=0.150 kg The height of the table is h=1.20 m The spring…

Q: 3. A 1.0 kg block at rest on a horizontal frictionless sur- face is connected to an unstretched…

A:

Q: A block of mass 250.0 g is placed on top of a light vertical spring of constant k = 4.80 x 103 N/m…

A:

Q: 3.0 kg k= 400 N/m 3.4 m

A: Given data: Mass of block is, m=3 kg. Height at which the block is placed is, h=3.4 m. Spring…

Q: Consider a block of mass 0.220 kg attached to a spring of spring constant 120 N/m. The block is…

A: m = 0.220 kg K = 120 N/m x1 = 11.2 cm = 0.112 m

Q: spring with a constant of 50.0 N/cm. The launcher is prepared by compressing the spring by 5.00 cm.…

A:

Q: A small glider is placed against a compressed spring at the bottom of an air track that slopes…

A: Given: The mass of the glider is 7.00×10-2 kg. The spring constant is 590 N/m. The maximum distance…

Q: When a 59.6 kg athlete stands on top of a spring instrument, the spring shortens by 4.48 cm. What is…

A:

Q: A block of mass 165 grams is placed on top of a light vertical spring, which is compressed by 7.25…

A: Given Mass of the block is m=165 g=165×10-3 kg Compression of the spring is ∆x=7.25 cm=7.25×10-2 m…

Q: Mickey, a daredevil mouse of mass  0.0231 kg,  is attempting to become the world's first "mouse…

A: Given, Mass of the mouse m = 0.0231 Kg Spring force constant k = 57. 5 N/m compress distance x =…

Q: A block of mass 4.70 kg is leaning against a spring of spring constant 5.43⋅102 N/m (see figure). At…

A:

Q: A bullet with a mass m = 12.7 g is fired into a block of wood at velocity vo = 261 m/s. The block is…

A: Momentum of an object is defined as the product of it's mass and velocity , that is , p=mv.…

Q: A block of mass m=0.25 kg starts at rest at the top of an inclined plane of height h=0.8 m as shown…

A:

Q: A block of mass 14.0 kg slides from rest down a frictionless 40.0° incline and is stopped by a…

A: Consider the final point will be the datum/reference point.  The vertical distance from the initial…

Q: I just need the last part of the question

A: According to work energy theorem, change in kinetic energy is equal to work done by spring and…

Q: 0.5-kg ball having a speed of 2 m/s hits a horizontal spring of k = 800 N/m and comes to rest…

A:

Q: A bullet with mass 4.74 g is fired horizontally into a 2.131 kg block attached to a horizontal…

A:

Q: Mr. M places his daughter so she is standing upright on a pogo stick.m She has a mass of 22kg. He…

A:

Q: A 2.50-kg block on a horizontal floor is attached to a horizontal spring that is initially…

A: Using work-energy theorem Kf+Uf-Wnc=Ki+Ui0+0+μkmgd=0+12kx2d=kx22μkmg

Q: The massless spring of a spring gun has a force constant k = 12.5 N/cm. When the gun is aimed…

A: force constant = K = 12.5 N/cm = 1250 N/m mass = m = 10 g = 0.01 kg height = h = 5 m

Q: In the figure, block 2 (mass 1.20 kg) is at rest on a frictionless surface and touching the end of…

A:

Q: A block of mass 15.0 kg slides from rest down a frictionless 33.0° incline and is stopped by a…

A: mass, m = 15 kg  Angle, A = 33°  k= 4 x 104 N/m distance, d= 3 m

Q: 14) A block of mass 0.20 kg is against a spring compressed 0.20 m with spring constant 70 N/m. When…

A:

Q: A box of mass  m = 2.20 kg  is dropped from rest onto a massless, vertical spring with spring…

A: according to the conservation of energy, Kf-Ki+Uf-Ui=0                               1

Q: An inclined plane of angle e = 20.0° has a spring of force constant k = 520 N/m fastened securely at…

A:

Q: block of mass 3.40 kg is placed against a horizontal spring of constant k = 855 N/m and pushed so…

A: Mass m = 3.40 kg  Spring constant k =855N/m spring compresses by  x = 0.0550 m Elastic Potential…

Q: A bullet with mass 5.00 g is fired horizontally into a 2.000-kg block attached to a horizontal…

A: Given:- A bullet with mass m1 = 5.00 g = 5 x 10-3 kg  A block mass of m2 = 2.0 kg  The spring has a…

Q: A block of mass 14.0 kg slides from rest down a frictionless 40.0° incline and is stopped by a…

A: According to energy conservation law, potential energy of block at the top of incline is equal to…

Q: 110

A: Spring constant (k)= 40 N/mmass (m)= 0.5 kg θ = 30o∆x (compression) = 0.20 m

Q: bullet with a mass mb=11.9 g is fired into a block of wood at velocity vb=245 m/s. The block is…

A: Apply conservation of momentum principle mbvb=mb+mwv11.9×10-3 kg245 ms=mb+mwv2.9155 kg ms=mb+mwv…

Q: mass m = 40 Kg, which was at rest. (Perfectly inelastic shock) and together they go up the channel…

A: The mass of the block A is m1 = 10 kg  The mass of the block B is m2 = 40 kg  The compressed…

Q: The massless spring of a spring gun has a force constant k = 12 N/cm. When the gun is aimed…

A:

Q: Mickey, a daredevil mouse of mass 0.0221 kg, is attempting to become the world's first "mouse…

A: Hint:  As non conservative forces are absent so we can conserve energy. spring energy at bottom=…

Q: A block of mass m 2.00 kg slides along a horizontal table with speed vo 9.50 m/s. At x = 0 it hits a…

A: Given:Mass of the block, m = 2.00 kgSpeed of the block, V0 = 9.50 m/sSpring constant, K = 95…

Q: A package of mass mmm = 6.00 kgkg is released on a 53.1∘∘ incline, a distance DDD = 4.00 mm from a…

A: Solution: Given that package of mass m = 6.00 kg θ = 53.1 ° D = 4m  spring with force constant k =…

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.