A block of mass 15.0 kg slides from rest down a frictionless 40.0° incline and is stopped by a strong spring with k = 2.90 ✕ 104 N/m.The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block comes to rest, how far has the spring been compressed?
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A block of mass 15.0 kg slides from rest down a frictionless 40.0° incline and is stopped by a strong spring with k = 2.90 ✕ 104 N/m.The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block comes to rest, how far has the spring been compressed?
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- 68. A block of mass 12.0 kg slides from rest down a friction- less 35.0° incline and is stopped by a strong spring with k = 3.00 x 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block comes to rest, how far has the spring been compressed?Please AsapA block of mass, m 3.30 kg, slides along a frictionless surface. It starts with a velocity, vo = 8.50 m/s. It then encounters a rough surface for a distance, d 2.65 m, where there is a coefficient of kinetic friction, µk = 0.620. At the end, it hits a spring, which it compresses by a displacement, Ax = 10.5 cm, until it comes to a stop. Assume the spring itself is massless. Ax -> a) How much kinetic energy (in joules) does the block have initially? b) How much work (in joules) does the friction from the rough surface do on the block? c) After leaving the rough patch, the block slides without friction again. With what speed (in m/s) does the block hit the spring? d) What is the spring constant (in N/m)? e) When the spring pushes the block back in the opposite direction, will it be able to slide all the way to the opposite end of the rough patch? Justify your answer numerically. Upload Choose a File
- O Macmillan Learning A block of mass m = 2.15 kg slides along a horizontal table with speed vo= 1.00 m/s. At x = 0, it hits a spring with spring constant k = 73.00 N/m, and it also begins to experience a friction force. The coefficient of friction is given by μ = 0.100. How far has the spring compressed by the time the block first momentarily comes to rest? Ax = m wwwwwwwww AxA small spring is laying horizontal on a table and is compressed by 0.50 m. A small mass of 0.25 kg is placed in front of the compressed spring. a) When the spring is released it accelerates the box at a = 8.0m/s . What is the value of the spring constant, k for the spring? Ignore friction for part (a). b) When the small mass loses contact with the spring it moves over a part of the table where there exists a friction force between the small mass and the table. If the box comes to a stop after sliding 5.0 m, using your knowledge of work, find the coefficient of friction between the sliding mass and the table.You push a 2.00 kg block against a horizontal spring, compressing the spring by 15.0 cm. Then you release the block, and the spring sends it sliding across a frictionless tabletop for 30.0 cm. The block then moves up an 30.0°-incline plane and it moves up the incline for 65.0 cm before coming to rest. If the spring constant is 1000.0 N/m, determine the coefficient of kinetic friction between the block and the incline plane.
- A 4.50 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.600 m by a large spring bumper at the end of its track. What is the force constant k of the spring (in N/m)? (Enter a number.) ___N/mA 6.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. What is the force constant k of the spring (in N/m)? (Enter a number.)The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports scientists find that (on average) the knee extensor tendons in sprinters stretch 45 mm while those of nonathletes stretch only 32 mm. The spring constant of the tendon is the same for both groups, 33 N/mm. What is the difference in maximum stored energy between the sprinters and the nonathletes? Express your answer with the appropriate units. ► View Available Hint(s) AU = Submit μA Value Units ?
- A 3.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.800 m by a large spring bumper at the end of its track. What is the force constant k of the spring? N/mA block with mass m = 12.4 kg is pressed against a spring with spring constant 1.285E+4 N/m, compressing the spring a distance of 0.115 m. It is then released from rest, moves across a frictionless horizontal surface, down a frictionless hill (vertical height h = 9.29 m), and onto a horizontal surface with friction μk = 0.638. How far (in m) will the block slide across the horizontal frictional surface before coming to rest?A 5.2 × 105 kg train is brought to a halt from a speed of 0.65 m/s in 0.45 m by a large spring bumper at the edge of its track. What is the force constant k of the spring in N/m?