16. A sling shot was released in a vertical direction using a rubber band having an equivalent spring constant of 2N/mm. If the deflection of the rubber band amounts to 10cm and the mass of the ston is 29g, determine the maximum height (above the undeflected position of the sling) the shot ca reach. a. 35.0506m b. 44.1703m c. 44.2203m d. 48.4413m

16. A sling shot was released in a vertical direction using a rubber band having an equivalent spring constant of 2N/mm. If the deflection of the rubber band amounts to 10cm and the mass of the ston is 29g, determine the maximum height (above the undeflected position of the sling) the shot ca reach. a. 35.0506m b. 44.1703m c. 44.2203m d. 48.4413m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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23. A sling shot was released in a vertical direction using a rubber band having an equivalent spring constant of 2N/mm. If the deflection of the rubber band amounts to 10cm and the mass of the stone is 21g, determine the maximum height (above the undeflected position of the sling) the shot can reach. a. 35.0506m b. 44.1703m c. 44.2203m d. 48.4413m
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Problem 18.2 As part of a school bus safety test program, school buses are being tested for potential roll-over hazards. To test the bus, it is placed on 1000-pound moveable concrete pad that rolls freely without friction. The horizontal motion of the pad is produced by a hydraulic ram which pulls the pad to left. A 5000-pound school bus is placed on the pad as shown in the figure. a) Assuming the bus does not slip on the pad, determine the minimum value of the horizontal acceleration (dv/dt) of the pad in the direction indicated that will cause the bus to tip, in ft/s². b) Determine the force, in lbf, that the ram must apply to the platform to produce the acceleration found in part (a). c) Determine the minimum static coefficient of friction between the tires and the concrete pad that is required to keep the bus from slipping on the moving pad. d = 3 ft h = 4 ft Desired direction of pad motion Hydraulic Ram h Bus Pad Ans: a) 23 ft/s² ≤ |ax| ≤ 25 ft/s² b) 4500 lbf ≤|F| ≤ 4600 lbf c)…
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A rigid body is made of three identical thin rods, each of mass m and length L= 0.6 m,attached together in the form of an H. The body is allowed to fall from the horizontalposition, rotating around one of the legs of the H.a) What is the rotational inertia of the H, in terms of m and L?b) What will be the angular speed of the H when it is oriented vertically?