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den301095 [7]
3 years ago
7

1. Wile E. is shot upward from a cannon with vi = 50 m

Physics
1 answer:
HACTEHA [7]3 years ago
6 0

Answer:

69 i think

Explanation:

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a girl rides a sled down a frozen hill. she starts from rest at the top of the hill and reaches a speed of 16 m/s at the bottom
Zolol [24]

13.06m

Explanation:

Given parameters:

initial velocity u = 0

final velocity v = 16m/s

Unknown;

height of the hill = ?

Solution:

We are going to apply one of the laws of motion to solve this problem;

    V² = U² + 2gH

where V is the final velocity

           U is the initial velocity

           g is the acceleration due to gravity = 9.8m/s²

           H is the height

since initial velocity is zero;

          V² = 2gH

   To find the height;

             H = \frac{V^{2g} }{y}

   

              H = \frac{16^{2} }{2 x 9.8} = 13.06m

learn more:

Velocity brainly.com/question/2706228

#learnwithBrainly

5 0
3 years ago
I need help on these 3 questions. <br> I need the original formula used and the givens
Dafna11 [192]

Answer:

sorry mate i dont know

Explanation:

sorry i just need points and i hope you get your answers

7 0
3 years ago
0.0084x91 ...................
Drupady [299]

Answer:

0.0084×91=0.7644

Explanation:

hope this helps

8 0
3 years ago
Read 2 more answers
Two long, parallel wires each carry the same current I, but the two currents are anti-parallel. The two wires are a distance r a
Georgia [21]

Answer:

8 x 10⁻⁷ x  I / r

Explanation:

Two parallel long wires are carrying current I . Let the direction be towards the right in the farthest and towards the left in the nearest. Magnetic field due to current I  at a  distance d is given by the expression

B = μ₀ 2 I / 4π d

I the present case distance d = r/2  

Magnetic field due to one wire at point d = r/2  is

B₁ = μ₀ 2 I / (4π r / 2 )

= 10⁻⁷ x 4I / r

Magnetic field due to the other wire at point d = r/2  is

B₂ = μ₀ 2 I / (4π r / 2 )

= 10⁻⁷ x 4I / r

Direction of magnetic field due to both the wires at the mid  point P will be same . It will be in downward direction in the given scenario

So total magnetic field

B = B₁ + B₂

= 2 x  10⁻⁷ x 4I / r

= 8 x 10⁻⁷ x  I / r

6 0
3 years ago
Match the definition with the correct term: the point at which the sun is as far north or as far south of the equator as possibl
White raven [17]
Those are the two points on the map of the stars called
the "solstices" ... one in June and one in December.
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3 years ago
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