3) Find the total response of a single degree of freedom system with m 10kg, c 20 N- s/m, k = 4000 N/m, xo = 0.01 m, under the following conditions: a) An external force F(T) = Fo cos ot acts on the system with and. o = 15 rad/s and Fe= 150 N
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- A 6.50 ✕ 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)?An archer draws her bow and stores 34.8 J of elastic potential energy inthe bow. She releases the 63 g arrow, giving it an initial speed of 28 m/s.How efficient is the transfer of elastic potential energy of the bow to thekinetic energy of the arrow?Please help with part b
- Ignore work doneA chain with length b and mass M is hang on ceiling under constant gravity g. Find the tension at point A when the distance between the ceiling and B is x for each casese. (1) The chain free falls. (2) Energy is conserved. A B CM T A B t=0 time t> 0 CMO 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 Ax
- Calculate the force (in N) needed to bring a 1050 kg car to rest from a speed of 80.0 km/h in a distance of 100 m (a fairly typical distance for a non-panic stop). N (b) Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a). force in (b) force in (a) =4. Suppose a block of mass m slides over a surface with kinetic friction coef- ficient towards a spring with spring constant k. The block reaches the spring with spring with speed vo. (a) How far is the spring compressed at maximum compression? Give your answer in terms of m, k, lk, and vo. (b) What is an expression for the maximum value that v。 could be in order for the spring to remain maximally compressed, no matter what material the block and surface are? Give your answer in terms of m, k, pk. Hint: the coefficient of static friction is always greater than the coefficient of kinetic friction.ΣF-a W = Fd parallel KE =-mv² v =v, +at v² – v? = 2a(x-x,) Fr = H,FN w = mg E, +W = E, GPE = mgh EPE = - kx? A C D B 11. A small block, with a mass of 4 kg, starts from rest at the top of the apparatus shown above. It then slides without friction down the incline, across the first level section, around the loop and then onto the final level section on the right. It then collides with a spring and compresses it, which momentarily brings the block to a stop. The maximum height of the incline is 5 m, the radius of the loop is 1.0 m and the spring constant is 120 N/m.
- Consider a Hot Wheels™ car with a mass of 121 g, that is pushed by a student along a track so that it is moving at 5 m/s. It hits a spring (k = 92.5 N/m) at the end of the track, causing it to compress. How far did the spring compress to bring the car to a stop? Calculate the answer in cm and make sure to include the unit. Report your final answer with three significant figures.A 1.72 kg box falls from a height of 2.19 m onto a large capacity spring scale with a spring constant of 1.75 × 105. N compression, the reading on the scale is m O 1720 N. O 37.0 N. O 7180 N. O 3590 N. O 12.8 N. At its greatestCan you help me with this problem?A block with a mass m is initially compressing a spring by x1 on a horizontal floor with 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?