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AlexFokin [52]
3 years ago
12

1 A boy kicks a ball with 40m/s at an angle of 30° with the ground. find the range the ball travels after 6 s.

Physics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

208m

Explanation:

since the angle is with the ground which gives a horizontal component to the velocity = v(cos)30°

so the velocity equals 40(cos)30°= 34.64m/s

range(distance) = speed × time

34.64m/s × 6s = 207.8m = 208m

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Explanation:

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F = ma = 0.5 x 5 = 2.5 N

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3 years ago
A power plant supplies 1,100 megawatts of power to the electric grid. how many joules of energy does it supply each second?
slavikrds [6]
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5 0
3 years ago
Briefly explain how einstein's special theory of relativity explains the perpendicular (right hand screw like) behavior of movin
ddd [48]

Einstein's special theory of relativity explains that the electric and magnetic fields are both can formulate together in mathematically.

It is given Einstein's special theory of relativity.

It is find the Einstein's special theory of relativity explains the perpendicular behavior of moving charges without recourse to invoking the concept of a magnetic field.

<h2>What is Einstein's special theory of relativity?</h2>

As we know that one charge creates a field and its that field that actually exerts a force on the other charge. Here we it gives the relationship of two fields like electric field and magnetic field and gives the formula for electromagnetic objects.

Special relativity fixes the problem by the points that the magnetic force in one frame of reference easily be an electric force in other and also some of the combination of them in a frame.

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brainly.com/question/23096032

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3 0
1 year ago
The last page of a book is numbered 764. The book is 3.0 cm thick, not including its covers. What is the average thickness (in c
Inessa [10]

Answer:

Thickness of each page will be 0.00785 cm

So option (E) will be correct answer

Explanation:

We have given that last page on the book is numbered as 764

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So option (E) is correct option

7 0
3 years ago
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