A spring with spring constant 280N/m is compressed by a distance of 0.64m to accelerate a 3.2kg block. The block then slides down a 0.75m high slope. The block’s speed at the bottom of the slope is 1.3m/s.
a. What is the speed of the block at the top of the slope, just after it leaves the spring?
b. How much work is done on the block by friction as it slides down the slope?
A spring with spring constant 280N/m is compressed by a distance of 0.64m to accelerate a...
Problem 5 A spring with a spring constant k=200 N/m is used as a launcher for a small block whose mass is 10 g. The block is placed against the compressed spring in a horizontal arrangement on a smooth horizontal surface. The spring, with the block, is compressed 5 cm and then released. a) Find the speed of the block just as it leaves the spring b) The block encounters a rough surface as it leaves the spring. How much...
A perfect massless spring with spring constant k= 30000 N/m is affixed to a wall at the base of a ramp. A block (mass= 3 kg) is touching the end of the spring that is away from the wall. The block begins at rest, and the spring begins at equilibrium. A stranger comes along and presses the block towards the wall, compressing the spring a distance of 9 cm. The pen she releases it. A. Calculate the work done by...
A block with mass m = 14 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4174 N/m after being compressed a distance x1 = 0.512 m from the spring’s unstretched length. The floor is frictionless except for a rough patch a distance d = 2.7 m long. For this rough path, the coefficient of friction is μk = 0.44. 1) How much work is done by the spring as it accelerates...
In the figure below, a block of mass m = 2.0 kg slides head into a spring of spring constant k = 320 N/m. When the block stops, it has compressed the spring by 6.5 cm. The coefficient of kinetic friction between the block and floor is 0.15. (a) While the block is in contact with the spring and being brought to rest, how much work is done by the spring force? (b) What is the increase in the thermal...
A block with mass m = 16 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4850 N/m after being compressed a distance x1 = 0.51 m from the spring’s unstretched length. The floor is frictionless except for a rough patch a distance d = 2.5 m long. For this rough path, the coefficient of friction is μk = 0.45. How much work is done by the spring as it accelerates the...
A block with mass m = 16 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 5072 N/m after being compressed a distance x1 = 0.568 m from the spring’s unstretched length. The floor is frictionless except for a rough patch a distance d = 2.8 m long. For this rough path, the coefficient of friction is μk = 0.48. 1) How much work is done by the spring as it accelerates...
A mass m = 16 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4431 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.52. The mass leaves the spring at a speed v = 3.3 m/s. 1)How much work is done by the spring as it accelerates the mass?J 2)How far was the spring stretched from its unstreched length?m 3)The...
A mass m = 11 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4977 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.46. The mass leaves the spring at a speed v = 4.1 m/s. 1)How much work is done by the spring as it accelerates the mass? 2)How far was the spring stretched from its unstreched length? 3)The...
A block of mass m is dropped onto a relaxed vertical spring with spring constant k (see the figure). The block becomes attached to the spring and compresses the spring a distance d before momentarily stopping. While the spring is being compressed, what work is done on the block by (a) the gravitational force on it and (b) the spring force? (c) What is the speed of the block just before it hits the spring? (Assume that friction is negligible.)...
3. (10pts) A spring, with a spring constant of 5710 N/m, is compressed by 0.45 m and used to launch a 15.5 kg mass from rest from point A across a frictionless surface and down a short hill that is H = 1.73 m high. The surface becomes rough at point B, and the mass comes to a stop at point C. (a) (5pts) How much work was done by friction between B and C? (b) (5pts) If the coefficient...