term test 1 mcC

# term test 1 mcC - 1 Please insert C as the answer to the...

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1) Please insert C as the answer to the first question. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 2) Find the total acceleration of a particle moving on a circle of radius 0.70 m, if its angular speed is 37 rpm and its tangential acceleration is 2.9 m/s 2 . A) 10.9 m/s 2 at 45° B) 0 m/s 2 C) 37.9 km/s 2 at 15° D) 37.9 km/s 2 at 45° E) 10.9 m/s 2 at 15° 3) A cat leaps to catch a bird. If the cat ʹ s jump was at 60.0° off the ground and its initial velocity was 9.58 m/s, what is the highest point of its trajectory? A) 7.04 m B) 38.32 m C) 3.52 m D) 4.54 m E) 2.29 m 4) A child is sitting on the outer edge of a merry - go - round that is 18 m in diameter. If the merry - go - round makes 5.4 rev/min, what is the velocity of the child in m/s? A) 0.8 m/s B) 1.0 m/s C) 10.2 m/s D) 3.6 m/s E) 5.1 m/s 5) A car is travelling north at 17.7 m/s. After 12 s its velocity is 14.1 m/s in the same direction. Find the magnitude and direction of the car ʹ s average acceleration.

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## This test prep was uploaded on 04/15/2008 for the course PHYSICS 151 taught by Professor Brar during the Spring '08 term at UMass (Amherst).

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term test 1 mcC - 1 Please insert C as the answer to the...

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