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Lorico [155]
3 years ago
13

Grade 11 question paper or memo for 2015

Physics
2 answers:
denis-greek [22]3 years ago
5 0
What your saying doesn't make sense.
stira [4]3 years ago
4 0

Answer:

wym?

sry i dont comprehend

Explanation:

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I NEED HELP WITH NUMBER 7 I WILL GIVE U BRAINLIEST
grigory [225]

Answer:

the blue one

Explanation:

3 0
3 years ago
How dose an atom change if all of its electrons are removed
cluponka [151]

Answer:

The atom becomes a positively charged ion.

Explanation:

  1. The building blocks of an atom are protons, neutrons, and electrons.
  2. The protons and neutrons present in the core of the atom are called nucleus.
  3. The electrons are scattered in an ordered way around the nucleus.
  4. The protons are positively charged and the electrons are negatively charged particles. The neutrons do not possess any charges.
  5. Binding energy is supplied to the atom to remove an electron.
  6. It is possible to remove the electrons of the lighter elements.
  7. When an electron is removed from the hydrogen atom. It becomes positively charged ion or simply proton.
  8. When all of the electrons are removed from the helium atom, it becomes a positively charged α particle.
  9. It is practically very difficult to remove all of the electrons from the heavier elements.
  10. When all of the electrons are removed from an atom it becomes an unstable positively charged ion.
7 0
3 years ago
If the forces acting on an object are balanced, wihat must be true about the motion of this object?
wolverine [178]

The correct answer to the question is : D) Be moving at a constant velocity.

EXPLANATION:

As per Newton's first laws of motion, every body continues to be  at state of rest or of uniform motion in a straight line unless and until it is compelled by some external unbalanced forces acting on it.

Hence, it is the unbalanced force which changes the state of rest or motion of a body. Balanced force is responsible for keeping the body to be either in static equilibrium or in dynamic equilibrium.

As per the options given in the question, the last one is true for an object under balanced forces.

5 0
3 years ago
All of the waves in the electromagnetic spectrum are _______ waves.
user100 [1]
Transverse, I think. I may be wrong.
5 0
3 years ago
Read 2 more answers
Units called BEATS measure the loudness of sounds.<br> true or false
gogolik [260]

Answer:

False.

Explanation:

Decibels (dB) measure sound levels

7 0
3 years ago
Read 2 more answers
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