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Shiv Nadar University

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History2English6Business1Science1Geography2Communications1Information Technology1Algebra4Computer Science11Accounting1Calculus4Mathematics3Physics4Chemistry3
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1. Which expression is dimensionally consistentwithan expression that would yield a valuefortime-1?(v is velocity, xisdistance, and t is time)

a.v/x

b.v2/x

c.x/t

d.v2t

2. On planet Z, the standard unit of length isthefoose. Ann the Astronaut is 5.90 feet tall on earth. She landsonplanet Z and is measured to be 94 foosi tall. Her partnerRachaelis 88 foosi tall. How tall is Rachael on Earth?

a.5.2 feet

b.5.5 feet

c.5.8 feet

d.6.3 feet

3. A cheetah can maintain its maximum speed of100km/hr for 30.0 seconds. What minimum distance must agazellerunning 80.0 km/hr be ahead of the cheetah to escape?

a. 100 m

b. 167 m

c. 70.0 m

d. 83.0 m

4. The distance of the Earth from the sun is 93 000 000miles. Ifthere are 3.15 ´ 107 s in one year, findthe speed of theEarth in its orbit about the sun.

a. 9.28 miles/s

b. 18.6 miles/s

c. 27.9 miles/s

d. 37.2 miles/s

5. A European sports car dealer claims that his carwillaccelerate at a constant rate from rest to 100 km/hr in 8.00 s.Ifso, what is the acceleration? (Hint: First convertspeedto m/s.)

a. 3.47 m/s2

b. 6.82 m/s2

c. 11.4 m/s2

d.17.4 m/s2

6. A vehicle designed to operate on a drag strip acceleratesfromzero to 30 m/s while undergoing a straight line pathdisplacement of45 m. What is the vehicle’s acceleration ifits value may be assumedto be constant?

a. 2.0 m/s2

b.5.0 m/s2

c. 10 m/s2

d.15 m/s2

7. A rock is thrown straight up with an initial velocity of19.6m/s. What time interval elapses between the rock’s beingthrownand its return to the original launch point? (Accelerationdue togravity is 9.80 m/s2.)

a.4.00 s

b.5.00 s

c.8.00 s

d.10.0 s

8. Vector is 3 m long and vector is 4 mlong. Thelength of the sum of the vectors must be:

a.5 m.

b.7 m.

c.12 m.

d.some value from 1 m to 7 m.

9. A string attached to an airborne kite is maintained atanangle of 40° with the horizontal. If a total of 120 m of stringisreeled in while bringing the kite back to the ground, what isthehorizontal displacement of the kite in the process? (Assume thekitestring doesn’t sag.)

a. 100 m

b. 84 m

c. 77 m

d. 92 m

10. A baseball thrown fromtheoutfield is released from shoulder height at an initial velocityof29.4 m/s at an initial angle of 30.0° with respect tothehorizontal. What is the maximum vertical displacement that theballreaches during its trajectory?

a. 11.0 m

b. 9.80 m

c. 22.1 m

d. 44.1 m

11. A stone is thrown at an angle of 30° above thehorizontalfrom the top edge of a cliff with an initial speed of 12m/s. A stopwatch measures the stone’s trajectory time fromtop of cliff tobottom to be 5.6 s. What is the height of thecliff? (g =9.8 m/s2 and air resistance isnegligible)

a. 58 m

b. 154 m

c. 120 m

d. 197 m

12. An astronaut applies aforceof 500 N to an asteroid, and it accelerates at7.00m/s2. What is the asteroid’s mass?

a. 71 kg

b. 135 kg

c. 441 kg

d. 3 500 kg

13. Two forces act on a 6.00-kg object. One of the forces is10.0N. If the object accelerates at 2.00 m/s2, what isthegreatest possible magnitude of the other force?

a.1.0 N

b.2.0 N

c.22.0 N

d. 34.0 N

14. An airplane of mass 1.2 ´ 104 kg tows aglider ofmass 0.6 ´ 104 kg. The airplanepropellers provide a netforward thrust of 3.6 ´104 N. What is the glider’sacceleration?

a. 2.0 m/s2

b. 3.0 m/s2

c. 6.0 m/s2

d. 9.8 m/s2

15. As a 3.0-kg bucket is being lowered into a 10-m-deepwell,starting from the top, the tension in the rope is 9.8 N.Theacceleration of the bucket will be:

a. 6.5 m/s2 downward.

b. 9.8 m/s2 downward.

c. zero.

d. 3.3 m/s2 upward.

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