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Ghella [55]
3 years ago
7

Which of the following is an element?

Physics
1 answer:
oksano4ka [1.4K]3 years ago
7 0
Chlorine pls mark as brianliest
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I need help with all of these questions
Sedbober [7]

Answer:

This was my best estimation of the answers

7 0
3 years ago
An object with a mass of 25 kg object is moving at 30 m/s. What is the
Pani-rosa [81]

Answer: 750 kgm/s

Explanation:

Mass of object = 25 kg

Speed by which object moves =30 m/s. Linear momentum of the object = ?

Since momentum refers to the quantity of motion of the moving object,

Linear momentum = Mass x Speed

= 25kg x 30m/s

= 750 kgm/s

Thus, the linear momentum of the object is 750 kgm/s

7 0
3 years ago
When a laser shines on a screen after passing through two closely spaced slits, you see ___
Aleonysh [2.5K]

Answer:

diffraction

Explanation:

diffraction occurs when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

6 0
3 years ago
Suppose a ball is thrown vertically upwards from a position P above the ground. It rises to the highest point Q and returns to t
NikAS [45]

Answer:

Net displacement = 0

Distance traveled = 2PQ <_up and down

Explanation:

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3 years ago
What could serve as ballast for a balloon? Help pls...thx
I am Lyosha [343]
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