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soldi70 [24.7K]
3 years ago
15

How do positive and negative acceleration differ?

Physics
1 answer:
Debora [2.8K]3 years ago
4 0

Answer:

Positive acceleration moves north and east but negative acceleration moves south and west

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The following are secondary sources of energy except a.coal b crude oil c nuclear d wind e wood
monitta

Answer:

d) Wind

Explanation:

Secondary energy is energy produced by converting energy available in its natural state in the environment. Hence Wind is a primary source not a secondary source

8 0
3 years ago
How long would a simple pendulum need to be to have a period of 1. 0s.
Archy [21]

Answer:

0.248 m

Explanation:

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2 years ago
Which is easier for a beginner? (This is for archery)<br><br> O long bow<br><br> O recurve bow
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The recurve bows

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6 0
3 years ago
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You build a solenoid containing 500 windings over a 0.20-m length, with a loop radius of 0.025 m for each winding. the current i
marta [7]
The inductance of a solenoid is given by:
L= \frac{\mu_0 N^2 A}{l}
where
\mu_0 is the vacuum permeability
N is the number of turns of the solenoid
A is the area of one loop of the solenoid
l is its length

For the solenoid in our problem, N=500, and the radius of one loop is r=0.025 m, so the area of one loop is
A=\pi r^2 = \pi (0.025 m)^2 = 1.96 \cdot 10^{-3} m^2
and its length is l=0.20 m

So the inductance of the solenoid is
L= \frac{(4 \pi \cdot 10^{-7} NA^{-2})(500)^2(1.96 \cdot 10^{-3} m^2)}{ 0.20 m}=3.08 \cdot 10^{-3} H
4 0
4 years ago
If a car is traveling forward at 15 M/S, how fast will be going in 1.2 seconds if the acceleration is 10 M/s2?
GuDViN [60]

Answer:

Vf=27m/s

Explanation:

Vf=Vi+at

Lets substitute the known variables into the equation:

Vf=15+10×1.2

Vf=27m/s

So itll be going 27metres per second

6 0
3 years ago
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