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Fynjy0 [20]
3 years ago
15

Which procedure allow you to determine the volume of an irregularly shaped object

Physics
1 answer:
user100 [1]3 years ago
6 0
One solution to this problem is measuring water displacement.

If you put the irregularly shaped object in water, then measure the volume of the displaced water, you will have the volume of the irregular object.
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A wire carries a 2a current. what is the current in a second wire that delivers twice as much charge in the same amount of time?
Soloha48 [4]

Answer:

4A

Explanation:

Current is charge per time.  So if the second wire delivers twice as much charge in the same amount of time, it must have twice the current.

2 × 2A = 4A

7 0
3 years ago
The diagram below shows two electromagnetic waves.
zaharov [31]
The best C) Wave 1 is generated by electric circuits and wave 2 is emitted by radioactive material. 

The higher frequency waves will be radioactive material, while the electromagnetic radiation generated by circuits will have a much lower frequency. 
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4 years ago
A 0.700-kg ball is on the end of a rope that is 2.30 m in length. The ball and rope are attached to a pole and the entire appara
otez555 [7]

Answer:

The tangential speed of the ball is 11.213 m/s

Explanation:

The radius is equal:

r=2.3*sin70=2.161m (ball rotates in a circle)

If the system is in equilibrium, the tension is:

Tcos70=mg\\Tsin70=\frac{mv^{2} }{r}

Replacing:

\frac{mg}{cos70} sin70=\frac{mv^{2} }{r} \\Clearing-v:\\v=\sqrt{rgtan70}

Replacing:

v=\sqrt{2.161x^{2}*9.8*tan70 } =11.213m/s

7 0
3 years ago
The potential energy of a pair of hydrogen atoms separated by a large distance .x is given by L/(x) = —C6/x6, where C6 is a posi
ivann1987 [24]

Answer:

Explanation:

The force that one atom exerts on the other is the negative derivative of the potential energy = \frac{-dL(x)}{dx}

F(x) = - \frac{d}{dx}( -C₆ / x⁷) = - (- (-6) C₆ x⁻⁶ ⁻¹) = - 6C₆ /x⁷

when xis negative, F is positive and when x is positive, F is negative. It is therefore and attractive force and F is always directed to the center

4 0
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The following question has two parts. First, answer part A. Then, answer part B.
Agata [3.3K]

Answer:

for part A the answer is D and for part B the answer is F

5 0
3 years ago
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