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tino4ka555 [31]
3 years ago
12

Physics question, any help is appreciated :)

Physics
2 answers:
Gekata [30.6K]3 years ago
8 0

Runner 2 sees Runner 1 passing him with a velocity of 17 m/s west.


Rainbow [258]3 years ago
4 0

The velocity of 17 m/s west is the answer.

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A 85-kg astronaut is stranded from his space shuttle. He throws a 1-kg hammer away from the shuttle with a velocity of 17 m/s. H
algol [13]

Answer:

0.2 m/s

Explanation:

given,

mass of astronaut, M = 85 Kg

mass of hammer, m = 1 Kg

velocity of hammer , v =17 m/s

speed of astronaut, v' = ?

initial speed of the astronaut and the hammer be equal to zero = ?

Using conservation of momentum

(M + m) V = M v' + m v

(M + m) x 0 = 85 x v' + 1 x 17

85 v' = -17

  v' = -0.2 m/s

negative sign represent the astronaut is moving in opposite direction of hammer.

Hence, the speed of the astronaut is equal to 0.2 m/s

4 0
3 years ago
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Answer:

(A) –14m/s

(B) –42.0m

Explanation:

The complete solution can be found in the attachment below.

This involves the knowledge of motion under the action of gravity.

Check below for the full solution to the problem.

4 0
3 years ago
Which type of circuit is shown?
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Answer:

I think it's D. open series circuit .

Explanation:

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Jess rides her motorcycle at an average speed of 20 m/s for 500 seconds. how far did she ride
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Distance = (speed) x (time)

Distance = (20 m/s) x (500 s)

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