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wlad13 [49]
3 years ago
13

Sharon throws a 0.20 Kg with an acceleration of 10 m/s/s.

Physics
1 answer:
OlgaM077 [116]3 years ago
4 0
Force=A×M
10m/s×0.20kg
=2Newton
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In which situation is maximum work considered to be done by a force?
umka2103 [35]

Answer:

A) When the angle between the Force (F) and Displacement (x) is 0°, because, Work done (W) is directly proportional to the Cosine of the Angle between the Force applied and the resultant displacement of the subject.

W = F•x cos ∅

If ∅ = 0°,

W = F•x ===> Maximum Work Done.

If ∅ = 45°,

W = F•x/√2

If ∅ = 90°,

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If ∅ = 180°,

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7 0
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Pls help<br> What graph indicates no reference to direction of motion, and explain why.
Komok [63]

Answer:

graph A

Explanation:

the slope of the distance-time graph is speed, speed is a scalar (with magnitudes but no direction)

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3 years ago
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8 0
3 years ago
The tip of the second hand of a clock moves in a circle of 20 cm circumference. In one minute the hand makes a complete revoluti
Cerrena [4.2K]

Answer:

v_{avg} = 0

Explanation:

As we know that average velocity is defined as the ratio of total displacement of the object and its time interval.

so here we can say

v_{avg} = \frac{displacement}{time}

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because it will have same position after one complete revolution from where it starts

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7 0
3 years ago
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blondinia [14]

Answer:

v = 12.12 m/s      

Explanation:

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5 0
3 years ago
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