MIDTERM II PRACTICE - Nicholas Charles Miller- PHY183,...

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Unformatted text preview: Nicholas Charles Miller- PHY183, Spring 2010 - Physics for Scientists and Engineers I 1 Midterm II - Practice Nicholas Miller __________________________________ PRINT NAME: __________________________________ Do not open exam until instructed to do so. Nicholas Charles Miller- PHY183, Spring 2010 - Physics for Scientists and Engineers I 2 Midterm II - Practice Nicholas Charles Miller- PHY183, Spring 2010 - Physics for Scientists and Engineers I 3 Midterm II - Practice 0 pt X4D X4D X61X29 X62X29 X4D X63X29 Consider the five identical massless springs shown above supporting the three identical masses as shown. The presence of the mass M in "a" stretched the spring by an amount x a . Similarly, the UPPER spring in "b" was stretched by x b and the LEFT-SIDE spring in "c" was stretched by an amount x c . x b is __________ x a 1 . A circlecopyrt one fourth B circlecopyrt one half C circlecopyrt equal to D circlecopyrt twice E circlecopyrt 4 times x c is __________ x a 2 . A circlecopyrt one fourth B circlecopyrt one half C circlecopyrt equal to D circlecopyrt twice E circlecopyrt 4 times 0 pt Three balls are thrown from the top of a building with identical initial speeds. The initial velocities of Ball 1 is horizontal while that of Ball 2 is 30 degrees above the horizontal, and that of Ball 3 is thirty degrees below horizontal. Order the three balls (highest to lowest) according to the horizontal component of their velocities when they hit the ground. 3 . A circlecopyrt Ball 1 : Ball 2 : Ball 3 B circlecopyrt Ball 1 : Ball 3 : Ball 2 C circlecopyrt Ball 2 : Ball 3 : Ball 1 D circlecopyrt Ball 2 : Ball 1 : Ball 3 E circlecopyrt Ball 3 : Ball 1 : Ball 2 F circlecopyrt Ball 3 : Ball 2 : Ball 1 G circlecopyrt Ball 1 : Ball 2 & Ball3 tie H circlecopyrt Ball 2 & Ball 3 tie : Ball 1 I circlecopyrt All three balls tie Order the three balls (highest to lowest) according to the speeds with which they hit the groud. 4 . A circlecopyrt Ball 1 : Ball 2 : Ball 3 B circlecopyrt Ball 1 : Ball 3 : Ball 2 C circlecopyrt Ball 2 : Ball 3 : Ball 1 D circlecopyrt Ball 2 : Ball 1 : Ball 3 E circlecopyrt Ball 3 : Ball 1 : Ball 2 F circlecopyrt Ball 3 : Ball 2 : Ball 1 G circlecopyrt Ball 1 : Ball 2 & Ball3 tie H circlecopyrt Ball 2 & Ball 3 tie : Ball 1 I circlecopyrt All three balls tie Nicholas Charles Miller- PHY183, Spring 2010 - Physics for Scientists and Engineers I 4 Midterm II - Practice 0 pt A cart on an air track is moving at velocity v when the air is suddenly turned off. The cart comes to rest after traveling 1 m. The experiment is repeated, but now the cart is moving with velocity 2 v . The cart now slides a distance of _____________ before stopping....
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MIDTERM II PRACTICE - Nicholas Charles Miller- PHY183,...

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