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timama [110]
3 years ago
13

Find the horizontal and vertical components of a projectile that is fired with a velocity of 50m/s at 30 degrees relative to the

horizontal.
Physics
1 answer:
VashaNatasha [74]3 years ago
5 0
Find this answer on safari and if you can’t reply to me and i’ll help
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Explanation:

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You are given three pieces of wire that have different shapes (dimensions). You connect each piece of wire separately to a batte
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Answer:

R_3 < R_1 < R_2

Explanation:

The resistance of a wire is given by:

R=\frac{\rho L}{A}

where

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A is the cross-sectional area of the wire

1) The first wire has length L and cross-sectional area A. So, its resistance is:

R_1=\frac{\rho L}{A}

2) The second wire has length twice the first one: 2L, and same thickness, A. So its resistance is

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3) The third wire has length L (as the first one), but twice cross sectional area, 2A. So, its resistance is

R_3=\frac{\rho L}{2A}

By comparing the three expressions, we find

R_3 < R_1 < R_2

So, this is the ranking of the wire from most current (least resistance) to least current (most resistance).

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2 years ago
How can you demonstrate that charged objects exert forces, both attractive and repulsive
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If it attractive it has opposite pole and if it repulsive it has same pole
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3 years ago
What is the wavelength of light (nm) that has a frequency of 6.44 x 1013 s-1?
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4660

Hope this helped!
STSN
4 0
3 years ago
Read 2 more answers
HELP ME PLEASE WITH MY HOMEWORK ILL GIVE BRAINLIEST
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Explanation:

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