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GaryK [48]
4 years ago
9

elaborate on the difference between a chemical change and a physical change. a) a physical change is irreversible where as a che

mical change is reversible. b) a physical change does form new substances and a chemical change does not break any bonds. c) a physical change rearranges atoms but a chemical change causes a substance to remain the same. d) a physical change does not break any bonds while a chemical change does form new substances.
Physics
2 answers:
Ulleksa [173]4 years ago
6 0

remember the difference in effect between slicing bread and toasting bread, but the option is d

lozanna [386]4 years ago
4 0
I think the correct answer from the choices listed above is option D. The difference between a chemical change and a physical change is lies in the fact that a physical change does not break any bonds while a chemical change does form new substances. Hope this answers the question.
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Can a golf ball bounce like a rubber ball? Due in 1 hour. 15 points.
klasskru [66]

Answer:

So, I tested it out and came to a conclusion.

The rubber ball is quite bouncy due to the fact that it is made of rubber which is what makes it bounce back and high, but although the golfball does in fact bounce back it does not bounce as high as the rubber ball due to the fact that it is made of plastic.

Explanation:

Hope this helps you out!

5 0
3 years ago
What is the best description of a convergent boundary? (Do they move towards eachother, side by side past each other, away from
IrinaVladis [17]
Convergent boundaries move towards each other. They can be classified as continental-continental, or oceanic-continental.

Oceanic-Continental: Heavier oceanic plate slides under a continental plate in a process called subduction.

Continental-Continental: Tectonic plates push up against each other and often fold upwards, creating mountain ranges.
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3 years ago
What is point c called?
FromTheMoon [43]
Then every line segment has one and only one mid-point.

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5 0
3 years ago
Read 2 more answers
How long( in hours, will it take for 500 000 C of charge to flow through a diode if it requires
Alina [70]

Answer:

277.78 hours

Explanation:

The formula for calculating the amount of charge is expressed as;

Q = It

I is the current

t is the time

Given

I =0.05A

Q = 50,000C

Required

Time t

Recall that: Q = It

t = Q/I

t = 50,000/0.05

t = 1,000,000secs

Convert to hours

1,000,000secs  = 1,000,000/3600

1,000,000secs = 277.78 hours

Hence it will take 277.78 hours for the charge to flow through the diode

6 0
3 years ago
Ahmed fills a basket with shopping weighing 10 kg. How much work is being done on the shopping basket when he lifts it verticall
NISA [10]

The work done by the shopping basket is 147 J.

<h3>When is work said to be done?</h3>

Work is said to be done whenever a force moves an object through a certain distance.

The amount of work done on the shopping basket can be calculated using the formula below.

Formula:

  • W = mgh

Where:

  • W = Amount of work done by the basket
  • m = mass of the shopping basket
  • h = height of the shopping basket
  • g = acceleration due to gravity.

Form the question,

Given:

  • m = 10 kg
  • h = 1.5 m
  • g = 9.8 m/s²

Substitute these values into equation 2

  • W = 10(1.5)(9.8)
  • W = 147 J.

Hence, The work done by the shopping basket is 147 J.

Learn more about work done here: brainly.com/question/18762601

6 0
2 years ago
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