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inysia [295]
3 years ago
6

HELP ASAP

Physics
1 answer:
Sladkaya [172]3 years ago
8 0
Answer:
I think the answer is
C) iron nails are attracted towards all materials
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A photon with a frequency of 5.48 × 10^14 hertz is emitted when an electron in a
mezya [45]
     Using the Planck's Equation, comes:

E=hf \\ E=6.63*10^{-34}*5.48*10^{14}*J \\ \boxed {E=36.3324*10^{-20}*J}

If you notice any mistake in my english, please let me know, because i am not native.
4 0
3 years ago
The Cajun Cliffhanger at Great AMerica is a ride in which occupants line the perimeter of a cylinder and spin in a circle at a h
12345 [234]

Explanation:

Centripetal Force is the force that keeps the object's rotation in a circular path and it's always directed towards the center of rotation. Mathematically, it is given as,

F_{c} = \frac{mv^{2} }{r}

From this equation it can be concluded that the centripetal force is proportional to the product of mass and the square of velocity. It is inversely proportional to the object's distance from the center.

Now in the above mentioned case, when the cylinder begins spinning very rapidly and it's speed becomes double. Then by applying the above equation we conclude that " the force will be increased four times if the speed is doubled as it is proportional to square of speed."

5 0
3 years ago
Every thing is in the picture
vekshin1

Answer:

156

Explanation:

74+82=156

5 0
3 years ago
In the Electromagnetic Force, opposite charges will ________.
kiruha [24]
-- Charges with the same sign repel each other.

-- Charges with different signs attract each other.

-- This is called the "electrostatic force".

-- There's another set of forces called "magnetic forces", but

-- there's no such thing as "electromagnetic force".
6 0
3 years ago
Read 2 more answers
Newton’s first law of motion is often called the law of?
jeka57 [31]

Answer:

Newton's first law is often called the law of inertia.

searched it up to verify

Also welcome to brainly

6 0
3 years ago
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