A 10 kg block is released from point A in the figure. The track is frictionless, except for the portion between points B and C that is 7.6 m long. The block goes down the saw, hits a force constant 2250N / m spring, and compresses the spring 0.30 cm from

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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 toy gun uses a spring to project a 6.2-g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 12 cm long, and a constant frictional force of 0.039 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 5.7 cm for this launch? (Assume the projectile is in contact with the barrel for the full 12 cm.)
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?
A person accelerates a 12 kg mass at 2.7m/(s^2) by pulling on a spring that is 1.1 m long at rest. The coefficient of friction between the two surfaces is 0.2. L 3 If the spring extends to 1.35 m, what is the spring. constant k? k = 129.6N/m ? 0%
A toy gun uses a spring to project a 5.9 g soft rubber sphere horizontally. The spring constant is 8.0 N/m, the barrel of the gun is 14 cm long, and a constant frictional force of 0.026 N exists between barrel and projectile. With what speed does the projectile leave the barrel if the spring was compressed 5.4 cm for this launch? (Assume the projectile is in contact with the barrel for the full 14 cm)
A 356 g block is dropped onto a relaxed vertical spring that has a spring constant of k 1.7 N/cm. The block becomes attached to the spring and compresses the spring 12.6 cm before momentarily stopping. What is the speed of the block just before it hits the spring (assume that friction is negligible)? (Your result must be in m/s and include 1 digit after the decimal point. Maximum of 5% of error is accepted in your answer. Take g-9.8 m/s?.)
A block with a mass m is initially compressing a spring by x1 on a horizontal floor with no friction. The spring has a spring constant k. The block is realeased from rest and travels a total distance of D including x1 and has a speed of v. what is the coefficent of kinetic friction between the floor and block?
A toy cannon uses a spring to project a 5.35-g soft rubber ball. The spring is originally compressed by 4.94 cm and has a force constant of 8.07 N/m. When the cannon is fired, the ball moves 15.8 cm through the horizontal barrel of the cannon, and the barrel exerts a constant friction force of 0.032 8 N on the ball. (a) With what speed does the projectile leave the barrel of the cannon? m/s (b) At what point does the ball have maximum speed? cm (from its original position) (c) What is this maximum speed? m/s Need Help? Read It Watch It
A 3.00 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0370 m. The spring has force constant 900 N/m. The coefficient of kinetic friction between the floor and the block is 0.410. The block and spring are released from rest and the block slides along the floor. What is the speed of the block when it has moved a distance of 0.0110 m from its initial position? (At this point the spring is compressed 0.0260 m.)
A 1.50-kg object slides to the right on a surface having a coefficient of kinetic friction 0.250 (Figure a). The object has a speed of v. = 2.80 m/s when it makes contact with a light spring (Figure b) that has a force constant of 50.0 N/m. The object comes to rest after the spring has been compressed a distance d (Figure c). The object is then forced toward the left by the spring (Figure d) and continues to move in that direction beyond the spring's unstretched position. Finally, the object comes to rest a distance D to the left of the unstretched spring (Figure e). a m Vj = V=0 k (a) Find the distance of compression d (in m). m (b) Find the speed v (in m/s) at the unstretched position when the object is moving to the left (Figure d). m/s (c) Find the distance D (in m) where the object comes to rest. m (d) What If? If the object becomes attached securely to the end of the spring when it makes contact, what is the new value of the distance D (in m) at which the object will come to rest…
In the figure, a 4.2 kg block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed is vo = 6.3 m/s, the height difference is h = 0.96 m, and Hk = 0.612. Find d. H = 0- Number Units
quick shove and moves down the incline with an initial speed v = 0.750 m/s. The incline angle is 0 = 20.0°, the spring constant is k = 465 N/m, and we can assume the surface is frictionless. By what distance (in m) is the spring compressed when the block momentarily comes to rest? A spring is attached to an inclined plane as shown in the figure. A block of mass m = 2.59 kg is placed on the incline at a distance d = 0.282 m along the incline from the end of the spring. The block is given a ww- ing. The block