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Alex17521 [72]
3 years ago
8

What is the electric field at the point x=6.5 m? positive e-fields point to the right.?

Physics
1 answer:
Mademuasel [1]3 years ago
5 0
6,5   6,4   6,3   6,2   6
if you know,1    
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IF YOU GET GOOD GRADES ON SCIENCE TESTS PLEASE HELP ME!!!!!
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The answer is 100% A  THE ANSWER IS A!!!!

Explanation:

i have a 100 in all of my classes including science

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The free-body diagrams of four objects are shown.
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During a firework display, a shell is shot through the air with an initiak speed of 70 m/s at an angle of 75° above the horizont
ladessa [460]

Answer:

241.24m

Explanation:

The height at which the shell explodes will be at the maximum height. In projectile motion, maximum height formula is expressed as:

H = u²sin²θ/2g

u is the initial speed = 70m/s

θ the angle of launch = 75°

g is the acceleration due to gravity = 9.81m/s²

Substitute the values into the formula and get H

H = 70²(sin75°)/2(9.81)

H = 4900sin75°/19.62

H = 4900*0.9659/19.62

H = 4733.037/19.62

H = 241.24m

Hence the height at which the shell explodes is 241.24m

4 0
3 years ago
A 500 kg car possesses 20000 units of momentum . What would be the cars new momentum if it’s velocity was doubled .
PilotLPTM [1.2K]

the new momentum would be 40000 units as momentum = mass × velocity

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3 years ago
If you know that the period of a pendulum is 1.87 seconds, what is the length of that pendulum? (assume that we are on earth and
laiz [17]

The length of the pendulum is 0.087 m. Option d is correct.

<h3>What is Simple harmonic motion?</h3>

Simple harmonic motion is periodic motion caused by a restoring force that is proportionate to the deviation from equilibrium.

Simple harmonic motion is periodic motion but many other conditions are dependent.

The time period of the pendulum is found as;

\rm T= 2 \pi \sqrt{\frac{L}{g} } \\\\ \rm 1.87 \ sec= 2 \times 3.14  \sqrt{\frac{L}{9.81 m/s^2} } \\\\ L=0.087 \ m

The length of the pendulum is 0.087 m

Hence, option d is correct.

To learn more about the simple harmonic motion refer to the link;

brainly.com/question/17315536

#SPJ1

4 0
2 years ago
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