The mass of an ear ring is 950 mg. Express this mass in Sl unit. 1. (a) 9.50 x 106 kg (b) 9.50 x 104 kg (c) 9.50 x 103 g (d) 9.50 x 101 8 A 16 g steel ball and a 10 g nylon ball are dropped from the same height at the same time. As the ball 2. reaches the ground, which of the following quantity is not the same for both the balls? (a) Displacement (b) Velocity (c) Acceleration (d) Weight. A boy pulls a table to the left with a force of 25 N. A second boy pulls the same table to the right with 3. a force of 15 N. What is the resultant force acting on the table? (a) 10 N right (b) 10 N left (c) 40 N right (d) 40 N left

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The mass of an ear ring is 950 mg. Express this mass in Sl unit.
1.
(a) 9.50 x 106 kg
(b) 9.50 x 104 kg
(c) 9.50 x 103 g
(d) 9.50 x 101 g
A 16 g steel ball and a 10 g nylon ball are dropped from the same height at the same time. As the ball
2.
reaches the ground, which of the following quantity is not the same for both the balls?
|(a) Displacement
(b) Velocity
(c) Acceleration
(d) Weight.
A boy pulls a table to the left with a force of 25 N. A second boy pulls the same table to the right with
3.
a force of 15 N. What is the resultant force acting on the table?
(a) 10 N right
(b) 10 N left
(c) 40 N right
(d) 40 N left
A driver accelerates his car and raises its speed from 40 km/h to 80 km/h. The kinetic energy of the
4.
car becomes; (a) 2 times
(b) 4 times
(c) half
(d) same
The diameter of an optical fiber is 6.0 nm. Its radius in m is
5.
(a) 12.0 x 106 m
(b) 12.0 x 10° m
(c) 3.0 x 106 m
(d) 3.0 x 10° m.
A swimmer completes the first 50 m of the 100-m free style in 37.8 s. On reaching the far side of the
6.
pool, she turns around and swims back to the start in 42.2 s. The average speed of the swimmer is
(a) 1.25 m/s
(b) 2.5 m/s
(c) 3.75 m/s
(d) Zero
Transcribed Image Text:The mass of an ear ring is 950 mg. Express this mass in Sl unit. 1. (a) 9.50 x 106 kg (b) 9.50 x 104 kg (c) 9.50 x 103 g (d) 9.50 x 101 g A 16 g steel ball and a 10 g nylon ball are dropped from the same height at the same time. As the ball 2. reaches the ground, which of the following quantity is not the same for both the balls? |(a) Displacement (b) Velocity (c) Acceleration (d) Weight. A boy pulls a table to the left with a force of 25 N. A second boy pulls the same table to the right with 3. a force of 15 N. What is the resultant force acting on the table? (a) 10 N right (b) 10 N left (c) 40 N right (d) 40 N left A driver accelerates his car and raises its speed from 40 km/h to 80 km/h. The kinetic energy of the 4. car becomes; (a) 2 times (b) 4 times (c) half (d) same The diameter of an optical fiber is 6.0 nm. Its radius in m is 5. (a) 12.0 x 106 m (b) 12.0 x 10° m (c) 3.0 x 106 m (d) 3.0 x 10° m. A swimmer completes the first 50 m of the 100-m free style in 37.8 s. On reaching the far side of the 6. pool, she turns around and swims back to the start in 42.2 s. The average speed of the swimmer is (a) 1.25 m/s (b) 2.5 m/s (c) 3.75 m/s (d) Zero
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ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning