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Ne4ueva [31]
3 years ago
7

Difference between xrays and radio wave

Physics
1 answer:
Varvara68 [4.7K]3 years ago
8 0

Answer:

x-rays are waves of high energy and shortened wave length which it will be able/is able to pass through many materials not transparent/opaque to light.

radio waves is a radiation with wave lengths in the magnetite/electromagnet longer than soft/infrared light.

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Two forces are acting on a 2.0 kg object that moves with acceleration 6.0 m/s2 in the positive y-direction. If one of the forces
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Answer:

12N

Explanation:

We are given that one of the forces are acting only in the horizontal x-direction. As a force must be applied on an object of mass in order to cause acceleration, the 6.0ms^-2 acceleration is due to the non-horizontal force acting on the 2.0kg object.

Using Newton's Second Law of motion; we know that for a constant mass, force is equal to mass times acceleration, F=ma.

Assuming the other force is acting only in the vertical direction (question doesn't specify, thus we are finding the minimum force to cause this acceleration):

F= 2.0kg * 6.0ms^-2

F=12.0 kgms^-2

F=12 N

3 0
2 years ago
A ball of silly putty hits andsticks to a bowling ball that was initially at rest. After thecollision, the total kinetic energy
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Answer:

3. less than the kinetic energy of thesilly putty before the collision.

Explanation:

This is because kinetic energy is dependent on the mass and velocity of an object. Mathematically, it is given as:

K. E. = ½*m*v²

Where m = mass

v = velocity

In the case of the silly putty, we know that the masses of the ball of silly putty and the bowling ball are conserved, hence, the kinetic energy depends solely on the velocity at which the object moves.

After the collision with the bowling ball, because of how heavy a bowling ball is, the speed of the silly putty and bowling ball will definitely be less than the speed of the silly putty before collision, i. e. u > v.

Hence, the kinetic energy after collision will be less than the kinetic energy before collision.

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In 3 seconds a car moving in a straight line increases its speed from 22.4 m/s to 29.1 m/s while a truck increases its speed fro
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Is there a picture?
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Imagine that you move a substance from one container to another and its volume changes. What state of matter is that substance?
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Answer: They have different rigidities.

Explanation:

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