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lara [203]
3 years ago
13

If you don’t transfer enough energy via ____, your cars will crash.

Physics
1 answer:
77julia77 [94]3 years ago
7 0
If you don't transfer enough energy via acceleration, your cars will crash.

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An object that is dropped straight down from a height of 100 m has a vertical change in position that is less than that of an id
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Objects dropped straight or thrown horizontally from the same height
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How do scientists use inference?
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It takes you 8.3 min to walk with an average velocity of 1.6 m/s to the north from the bus stop to the museum entrance. How far
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solution:

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3 0
3 years ago
A charge of q= +15 uC moves in a Northeast direction with a speed 5 m/s, 25 degrees East of a magnetic field, pointing North, wi
grin007 [14]

Explanation:

It is given that,

Magnitude of charge, q=15\ \mu C=15\times 10^{-6}\ C

It moves in northeast direction with a speed of 5 m/s, 25 degrees East of a magnetic field.

Magnetic field, B=0.08\ j

Velocity, v=(5\ cos25)i+(5\ sin25)j

v=[(4.53)i+(2.11)j]\ m/s

We need to find the magnitude of force on the charge. Magnetic force is given by :

F=q(v\times B)

F=15\times 10^{-6}[(4.53i+2.11j)\times 0.08\ j]

<em>Since</em>, i\times j=k\ and\ j\times j=0

F=15\times 10^{-6}[(4.53i)\times (0.08)\ j]

F=0.00000543\ kN

F=5.43\times 10^{-6}\ kN

So, the force acting on the charge is 5.43\times 10^{-6}\ kN and is moving in positive z axis. Hence, this is the required solution.

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3 years ago
In which direction should you look to see the setting moon.
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Every sky object sets in the west.
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3 years ago
Read 2 more answers
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