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ludmilkaskok [199]

3 years ago

6

What is Virtual Lab and what does people use it for and why they use it?

1 answer:

Dafna1 [17]3 years ago

7 0

The Virtual Laboratory is an interactive environment for creating and conducting simulated experiments: a playground for experimentation. It consists of domain-dependent simulation programs, experimental units called objects that encompass data files, tools that operate on these objects

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What can you observe to know that when clear methane gas is burned it is a chemical change?

aalyn [17]

<span>4) Formation of a gas

When methane burns, it produces the gases water vapor and carbon dioxide.
</span><span />

6 0

3 years ago

How can a cyclist minimize friction as he or she rides? A. by increasing the weight of the bike B. by increasing the tread on hi

jek_recluse [69]

B I believe is the answer!

Hope this helps and have a great day!!!

6 0

3 years ago

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The apparent weight of a student in alift is 564N . if the mass of the student is 60.3kg, what is the acceleration of the lift ?

Yuki888 [10]

Answer:

-.457 m/s^2

Explanation:

Actual weight = 60 .3 (9.81) = 591.54 N

Accel of lift changes this to 60.3 ( 9.81 - L) where L - accel of lift

60.3 ( 9.81 - L ) = 564

solve for L = .457 m/s^2 DOWNWARD

so L = - .457 m/s^2

4 0

2 years ago

What conclusions can you draw about an object that either has an OVERALL negative charger OR an OVERALL positive charge?

sveticcg [70]

Answer:

The object is also positively charged because same or alike charges repel

Explanation:

6 0

3 years ago

A diver is on a board 1.80 m above

Virty [35]

Answer:

v = 6.95 m/s

Explanation:

Given that,

A diver is on a board 1.80 m above the water, s = 1.8 m

The initial speed of the diver, u = 3.62 m/s

Let v is the speed with which she hit the water. It will move under the action of gravity. Using the equation of motion as follows :

$v^2-u^2=2gs\\\\v=\sqrt{u^2+2gs} \\\\v=\sqrt{(3.62)^2+2(9.8)(1.8)} \\\\v=6.95\ m/s$

So, she will hit the water with a speed of 6.95 m/s.

8 0

3 years ago

Read 2 more answers