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RSB [31]
3 years ago
10

An iron ball is dropped at a height of 10 m from the surface of the moon.

Physics
1 answer:
galben [10]3 years ago
3 0

Answer:

3.51s

Explanation:

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So there are a wats up group where you can get help step by step and well explained by the trusted experts.

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I believe it is C i am not sure
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two charges are placed at corners A and B of a square of side length. How much work is needed to move a charge from point C to D
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A study occasionally the effect of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.

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6 0
2 years ago
A car traveled at an average speed of 60 mph for two hours. How far did it travel?
Akimi4 [234]
The answer is C- 120 Miles.
6 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME!!!!! IM BEGGING YOU!!
murzikaleks [220]
In my opinion the answer is B. Variation 
5 0
3 years ago
three girls were pushing the same car with a net force of 450 N [N48°E]. Two of the girls were pushing with forces of 310 N [N25
ElenaW [278]

The net force is the vector

∑ F = (450 N) (cos(42°) i + sin(42°) j)

and two of the forces provided by the girls are

F₁ = (310 N) (cos(115°) i + sin(115°) j)

F₂ = (250 N) (cos(285°) i + sin(285°) j)

Then the force provided by the third girl is the vector

F₃ = ∑ F - F₁ - F₂

F₃ = ((450 N) cos(42°) - (310 N) cos(115°) - (250 N) cos(285°)) i

… … … + ((450 N) sin(42°) - (310 N) sin(115°) - (250 N) sin(285°)) j

F₃ ≈ (400.722 N) i + (261.635 N) j

So, the third girl provided a force of magnitude

||F₃|| = √((400.722 N)² + (261.635 N)²) ≈ 478.572 N ≈ 480 N

pointing in a direction

arctan((261.635 N)/(400.722 N)) ≈ 33.1409° ≈ 33°

relative to East which refers to 0°; that is, 33° N of E or E33°N. Since the other forces are given relative to North or South, we can write this direction as N57°E.

So, the third girl pushed with force 480 N [N57°E].

5 0
3 years ago
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