300 centimeters io the same as: a 0.03m 6.03m c.30m 30.0m 9 The units correctly

Question

300 centimeters io the same as: a 0.03m 6.03m c.30m 30.0m 9 The units correctly represent acceleration are a meters/ se b meters X scc c meters/sec' d. meters x see 17.1 If vector is added to vector B | ·the resultant vector would be: - + 18 ff four equal force of S Newtons each are acting on a single object in the manner shown to the right, the resultant will be a. zero b.20N c. 10N d none of these 19. In the graph shown here, the area under the curve represents a acceleration b. displacement c.force d. velocity 20. A bowling ball is dropped from the top of a building at Time the same time a tennis ball is shot horizontally from the same height Which ball will hit the ground first? (Ignore friction and air resistance) 21. Which of the following quantities has a derived unit? 22. An object moving in a positive direction undergoes a negative acceleration. This object is: 23. If you throw a baseball straight up into the air, at the instant it reaches the top of its path, its 24. If the resultant of all the forces acting on an object is zero, the object a. It will be a tie b. the bowling ball c, the tennis ball a. length b. speed c. mass d. time a at rest b. speeding up c. going backwards d. slowing down acceleration is: a. 0 m's b. 32 m/s c. 980 m/s' d.9.8 m/s a accelerates b. decelerates c. falls freely in a vacuum d. moves with a uniform velocity in a straight line 25. If an object is experiencing uniform acceleration, the velocity of the object remains constant 26. Four vectors of the same magnitude are added: one pointing east, one west, one south and one 27. Two vectors have magnitude of 7 and 9 that act from a single point cannot have a resultant a. True b. false north. The magnitude of the resultant vector is: ao b.I c.2 d.4 magnitude of: a2 b.5 c16 d. 20

Explanation / Answer

Q8

300 cm =300/100=3 m

option (c)

Q9

option (c) is correct

Q17

By vector addition rule

option(c)

Q18

All forces cancel out so net force=0

option (a)

Q19

Area under v-t graph gives displacement

so option (b)

Q20

since there is no acceleration in horizontal direction so time will be same

option (a)

Q21

speed has derived limit

Q22

siince acceleration is in negative direction,it is slowing down

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