A.)What is the maximum compression of the spring? b.)The spring sends the block back to the left. How high does the block rise?
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A.)What is the maximum compression of the spring?
b.)The spring sends the block back to the left. How high does the block rise?
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- A 10.0 g bullet is fired into and embeds itself in a 1.75 kg block attached to a spring with a spring constant of 22.0 N/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless surface? (Note: You must use conservation of momentum in this problem.) m1. A spring gun (spring constant k=100 N/m) is used to shoot a 5 g ball vertically up. The ball leaves the gun with speed 10m/s. a) What was the compression of the spring? b) What is the maximum height of the ball above the release point?A 10.0 g bullet is fired into and embeds itself in a 1.80 kg block attached to a spring with a spring constant of 21.5 N/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless surface? (Note: You must use conservation of momentum in this problem.) m
- 10 cm long spring, with a spring constant of 27 N/m, is used to reload the ball in a pinball machine. The spring is compressed by 4.0 cm by a mechanism in the machine and then let go. a. Calculate the elastic potential energy stored in the spring A new spring is fitted into the machine. It only needs to be compressed by 3.0 cm to store the same amount of elastic potential energy as the previus spring. b. Calculate the spring constant of this new spring The owner of the game wants to double the potential energy stored in this new spring. c. Calculate the compression of the spring needed in order to achieve thishow to do?A spring of spring constantk 625 N/m rests on a horizontal frictionless surface. A 0.25 kg object compressed the spring by 0.3 m. If the mass is released from rest, what is the speed of the mass as it passes through the equilibrium point (in m/s)? 10 wwww.m а. b. 15 с. 20 d. 25 .1 O 2 O d. 30
- 08) Spring A has K=37.0 kg/m SpringB has K=82.0 kg/m Spring A and B are joined together end to end to make one long spring, attached to a wall. The other end is attached to a mass “m" on a smooth, frictionless surface. When the combined spring(s) are stretched by 30.0 cm and released, the block has a maximum velocity of 4.50 m/s. A) What is the mass of block "m*? Now the same springs are placed side by side, both attached to the wall and to mass “m". Theyare NOT attached to each other. The mass is stretched 30.0 cm as before and released. Find the ratio of the maximum speed in “A" (springs attached to each other) divided by the maximum speed in “B"(separate springs) В)A block of mass m = 2kg moves on a frictionless horizontal surface with a constant speed v = 5 m/s in front of a relaxed horizontal spring of spring constant k = 200 N/m fixed at one end as shown in the figure below. By what amount would the spring be compressed (x =?) when the block comes to rest? A. 0.15 m B. 0.3 m C. 0.4 m D. 0.6 m www 2 kg E. 0.5 m D. E A,A 10.0 g bullet is fired into and embeds itself in a 2.30 kg block attached to a spring with a spring constant of 19.8 N/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless surface? (Note: You must use conservation of momentum in this problem.) m
- 5A 10.0 g bullet is fired into and embeds itself in a 1.60 kg block attached to a spring with a spring constant of 21.9 N/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block, and the block slides on a frictionless surface? (Note: You must use conservation of momentum in this problem.) mQ2) There are 3 blocks whose masses are m, 2m and 3m on the smooth surface. The first one has a velocity v and others connected to spring are at rest. The spring force is not impulsive. If the coefficients of restitution and spring are respectively e and k, a) What is the maximum elongation (or shortening) of spring? b) What is the minimum value of kinetic energy of system? Hint:Equations can be built according to the moving axis with the origin at the center of mass of the bloks connected to the spring. m V 2m k 3m