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- 10.0-kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 5.0 s after beginning his swing, at which time his vine makes a 10.0° angle with the vertical. (a) How long is Mowgli’s vine, assuming that he swings at the bottom end of it? (b) Just as he passes through the lowest point in his swing, Mowgli nabs the chimp from the ground and sweeps him out of the jaws of danger. If Mowgli’s mass is 40.0 kg, determine his speed just before he grabs the chimpanzee.The illustrated pulley is released from rest. What is the acceleration of B and how much time isneeded for B to contact the ground? ?? = 20kg and ?? = 160 kg. The pulleys and ropes aremassless.Marble A is placed in a hollow tube, and the tube is swung in a horizontal plane causing the marble to be thrown out. As viewed from the top, which of the following choices best describes the path of the marble after leaving the tube?a. 1 b. 2 c. 3. d. 4 e. 5
- The block slides down an incline. It starts from rest and, after moving 6 ft, strikes a spring (k= 100 lb/in). Determine the maximum deformation of the spring. Coeff fr= 0.20. show complete solution and free body diagram.roblem 2 The forked rod is used to move the smooth 2-lb particle around the horizontal path in the shape of a limacon, ? = (2 + 2????) ft. If at all times ?̇ = 0.8 rad/s, determine the force which the rod exerts on the particle at the instant ? = 30°. The fork and path contact the particle on one side only please explain the stepsnormal reaction at B (N) minimum velocity at A to reach B
- A hammer head H having a weight of 0.26 lb is moving downwards at 40 ft/s when it strikes the head of a nail of negligible mass and drives it into a block of wood as shown. Find the impulse on the nail if it is assumed that the grip at A is loose, the handle has a negligible mass, and the hammer stays in contact with the nail while it comes to rest. [Show work fast , Don't copy]Custom: The 50-lb crate is being lifted from rest on the ground by the motor ?. The motor exerts a force ? =t^2+t, where t is in seconds. Determine the velocity of the crate after 10 seconds and the work done by the motor.13-2. Determine the acceleration of the 30-kg block shown in Figure P13–2 above.
- Prob. 14-1 14-2. For protection, the barrel barrier is placed in front of the bridge pier. If the relation between the force and deflection of the barrier is F= (90(10%)x/2) Ib, where x is in ft, determine the car’s maximum penetration in the barrier. The car has a weight of 4000 Ib and it is traveling with a speed of 75 ft/s just before it hits the barrier. F(Ib)In the figure, the 50-N ball and 40-N ball, moving as indicated meet in oblique impact. If e=0.6, . Assume the surfaces of the balls are smooth. a. determine the amount and direction of the resultant velocity of 50-N ball after impact b.determine the amount and direction of the resultant velocity of 40-N ball after impactDetermine the value of the launch angle a which maximizes the range R indicated in the figure.