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yuradex [85]
3 years ago
5

Find the angle between two equal forces (p) when their resultant is equal to (p)​

Physics
2 answers:
telo118 [61]3 years ago
8 0
Toe toe toe toe toe toe
Alexus [3.1K]3 years ago
4 0

Answer:

60°

Explanation:

It will be equilateral triangle, you can prove with the cosine theorem.

1)P^2=P^2+P^2 - 2×P×P× cos A

2) cos A= P^2 / 2× P^2 = 1/2

cos A = 1/2

A = 60°

If you wrote this question right,it will be solved like this :)

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A mixture that appears to contain only one substance is a(n)
BartSMP [9]
Hello There

Answer: <span>homogeneous mixture (A)

Reason: A</span><span> homogeneous mixture seems to only have one substance, when it actually contains more. An example of one is water. It seems to only have one substance, but it contains minerals and </span><span>gases, but these are dissolved in the water.

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6 0
3 years ago
A helicopter, initially hovering 40 feet above the ground, begins to gain altitude at a rate of 21 feet per second. Which of the
Montano1993 [528]

Answer: y = 40 + 21t

Explanation:

Apply the equation of distance covered.

d = vt + C

Where d is the distance covered

v = velocity , t = time

C = constant = initial distance covered

For the case above....

d = y

y(t) = vt + C

But y(0) =40 = C

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velocity v = 21 ft/s

Therefore, the equation of the altitude is given by;

y(t) = 21t +40

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6 0
3 years ago
Two lumps of clay having equal masses and speeds, but traveling in opposite directions, collide and stick together. Part A Which
Tom [10]

Answer:

Explanation:

mass of clay = m

velocity is u

By use of conservation of momentum

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v = 0

So, they stick together and comes to rest.

8 0
3 years ago
A 0.0750kg teddy bear is dropped from a deck that is 3.00m above the ground. What will be the velocity of the teddy bear as it s
FrozenT [24]

The velocity of the teddy bear as it strikes the ground is 7.67 m/s.

<h3>Velocity of the teddy when it strikes the ground</h3>

The velocity of the teddy when it strikes the ground is calculated from principle of conservation of energy as shown below.

K.E(bottom) = P.E(top)

¹/₂mv² = mgh

v² = 2gh

v = √2gh

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v = √(2 x 9.8 x 3)

v = 7.67 m/s

Thus, the velocity of the teddy bear as it strikes the ground is 7.67 m/s.

Learn more about conservation of energy here: brainly.com/question/166559

#SPJ1

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1 year ago
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Best way that I study is first get in a comfortable room. Get the material you are suppose to be studying and a blank note book. Go through what you think you know then take what you struggle with a write it in the notebook. After writing it a few times different ways find what helps you rember it the most. 
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