
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 1200 kg safe is 1.9 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 48 cm .
What is the spring constant of the spring?
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- A 1.1 N ball is shot horizontally out of a spring gun from a height of 0.9 and lands 2 m horizontally away from the gun. What is the spring constant in N/m of the spring which launched the ball if the ball compressed the spring 0.4 m?arrow_forwardA 3.0 kg box is sliding along a frictionless horizontal surface with a speed of 1.8 m/s when it encounters a spring. (a) Determine the force constant (in N/m) of the spring, if the box compresses the spring 4.7 cm before coming to rest. N/m (b) Determine the initial speed (in m/s) the box would need in order to compress the spring by 1.5 cm. m/s Additional Materials O Readingarrow_forwardA mass of 4.0 kg traveling at 5.0 m/s along a smooth, horizontal plane hits a relaxed spring. The mass is slowed to zero velocity when the spring has been compressed by 0.18 m. What is the final spring force when the mass is stopped?arrow_forward
- One end of a horizontal spring with k=80N/m is fixed on the wall. A 5kg block is moving at 2m/s when it touches on the free end of a spring. Find the maximum compression of spring Δ: a) if the floor is frictionless ... Δa=...b) if there is kinetic friction with magnitude 10N between block and the floor..... Δb=...c) the amount of thermal energy produced in case (a).. ΔEth-a=.... and (b)... ΔEth-b=.......arrow_forwardOK, once again we have a pendulum, this time of length 1.86 m, which you release from rest at an angle of 52.5 degrees to the vertical. What will be the speed of the pendulum at the instant it reaches an angle of 10.5 degrees above the vertical? 3.78 m/s 0.78 m/s 5.67 m/s 3.70 m/sarrow_forwardA 1.1 g ball is shot horizontally out of a spring gun from a height of 0.9 m and lands 2 m horizontally away from the gun. What is the spring constant in N/m of the spring which launched the ball if the ball compressed the spring 0.4 m?arrow_forward
- OK, once again we have a pendulum, this time of length 1.49 m, which you release from rest at an angle of 41.6 degrees to the vertical. What will be the speed of the pendulum at the instant it reaches an angle of 12.5 degrees above the vertical? 4.08 m/s 2.58 m/s 2.72 m/s 0.83 m/sarrow_forwardA spring with a spring constant of 51.1 N/m is hung from the ceiling. A block is then attached to the free end of the spring. When released from rest, the block drops 0.160 m before momentarily coming to rest, after which it moves back upward. What is the mass of the block?arrow_forwardA 1.90 kg block slides on a rough horizontal surface. The block hits a spring with a speed of 2.00 m/s and compresses it a distance of 11.0 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is 0.460, what is the force constant of the spring?arrow_forward
- A 500-g block is released from rest and slides down a frictionless track that begins 1.00 m above the horizontal, as shown in the figure below. At the bottom of the track, where the surface is horizontal, the block strikes and sticks to a light spring with a spring constant of 35.0 N/m. Find the maximum distance the spring is compressed. marrow_forwardAs shown in the figure, a 1.50-kg box is held at rest against a spring with a force constant k = 650 N/m that is compressed a distance d. When the box is released, it slides across a surface that is frictionless, except for a rough patch that has a coefficient of kinetic friction μk = 0.400 and is 6.00 cm in length. If the speed of the box is 1.50 m/s after sliding across the rough patch, determine the initial compression d of the spring. (Answer in cm)arrow_forward
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