A circle of mass M and sweep R (I = 2/5MR2) rests on the platform of a truck. The truck begins from rest and includes a steady speeding up A. Assuming that the circle rolls without slipping, discover the speeding up of the center of mass of the ball relative to the truck. Fig. 1.159.
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- Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 79 kg, and the mass of the woman is 54 kg. The woman pushes on the man with a force of 58 N due east. Determine the acceleration (magnitude and direction) of (a) the man and (b) the woman. (a) aman (b) awom 0.73 i -1.1 eTextbook and Media m/s^2 v m/s^2 v due east due westDo number #3 and show how to get that answerSolve this only if you know how to don't give me wrong solution
- A massive missile has a mass of 1.95 × 106 kg at takeoff, and its engines produce a thrust of 3.9 × 107 N . (a) Find its initial acceleration, in meters per second squared, if it takes off vertically. Take up to be positive. (b) How long, in seconds, does it take to reach a velocity of 120 km/h straight up, assuming constant mass and thrust?A 3600 kg cannon shoots a 38 kg cannonball out with an average acceleration of 145 m/s2 [E]. Calculate the reaction force on the cannon. 12A 2000kg car travelling at 10.0m/s collides with a 3000kg car that is initiallyat rest at a stoplight. The cars stick together and move 2.00m before frictioncauses them to stop. Determine the coefficient of kinetic friction between thecars and the road, assuming that the negative acceleration is constant and allwheels on both cars lock at the time of impact.
- Two blocks, which can be modeled as point masses, are very much connected by a massless string which passes through a hole in a frictionless table. A tube extends out of the hole in the table so that the portion of the string between the hole and M1 remains parallel to the top of the table... With that being said, The blocks have masses M1 = 1.2 kg and M2 = 2.7 kg. Block 1 is a distance r = 0.55 m from the center of the frictionless surface. Block 2 hangs vertically underneath. 1) Assume that block two, M2, does not move relative to the table and that block one, M1, is rotating around the table. What is the speed of block one, M1, in meters per second? 2) How much time, in seconds, does it take for block one, M1, to make one revolution?Could you tell the 34th solutionA 0.500 kg hammer is moving horizontally at 6.50 m/s when it strikes a nail and comes to rest after driving the nail 1.00 cm into a board. Assume constant acceleration of the hammer–nail pair. (a) Calculate the duration of the impact (in s). ______s (b) What was the average force (in N) exerted on the nail? (Enter the magnitude.) ______N
- A block of mass M is pulled along a horizontal, flat, and smooth (no friction) surface by a rope of mass m, on which a force ?⃗is acting. If we consider that the rope does not stretch out when it is pulled, then the block and rope will move under the same acceleration. Determine the value of such acceleration. Now, if the mass of the rope m is much smaller than the mass of the block M, then what is the approximate value of the acceleration?What If? How would your answers to parts (a) and (b) of this problem change if the 2.0 kg block was now stacked on top of the 1.0 kg block? Assume that the 2.0 kg block sticks to and does not slide on the 1.0 kg block when the system is accelerated. (Enter the acceleration in m/s2 to the right and the tension in N.)