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Julli [10]
3 years ago
5

How many neutrons are in an atom of carbon with a mass number of 13

Physics
1 answer:
BabaBlast [244]3 years ago
4 0

C is the answer to your question.

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In 2.8 s, a car increases its velocity from 20. M/s to 25 m/s. What is the acceleration of the car
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Acceleration= change in velocity/time; 5/2.8 , so a=1.785714286
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3 years ago
A motorist traveling with a constant speed of 15 m/s (about 34 mi/h) passes a school-crossing corner, where the speed limit is 0
nikklg [1K]

Answer:

(a) 10 s

(b) 30 m/s

(c) 150 m

Explanation:

The motorist's position at time t is:

x = 15t

The officer's position at time t is:

x = ½ (3) t² = 1.5 t²

(a) When they have the same position, the time is:

15t = 1.5 t²

t = 0 or 10 s

(b) The officer's speed is:

v = 3t

v = 30 m/s

(c) The position is:

x = 15t = 150 m

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3 years ago
Waves : Transfer of Energy
garri49 [273]

✒ Answer

In the case of still lake and ocean water how are they different in transferring energy from one location to another?

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In what direction will you move a rope to create transverse waves?

  • Answer: in the direction of the black arrow

In what direction will you move a slinky to create longitudinal waves?

  • Answer: parallel to the direction that energy is transported.

7 0
2 years ago
What is a chemical substance that cannot be broken down into another substance?
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The answer is C. Elements 

Elements cannot be broken down int simpler substances even by chemical means
6 0
3 years ago
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The results of a dart game were precise but not accurate.The accepted value of the game was the center of the dartboard.Which co
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Answer:

The darts hit the same general area of the board.

8 0
3 years ago
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