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Salsk061 [2.6K]
3 years ago
14

How should a scientist confirm that an experiment has good data

Physics
2 answers:
maria [59]3 years ago
6 0
Yes I would say repeat the experiment to see if the result kinda stays the same
r-ruslan [8.4K]3 years ago
4 0
Repeat the experiment to make sure it gives the same results.

Hope i helped ; )
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Robert is hosting a backyard barbecue. He uses a charcoal fire to grill the chicken. The chicken cooks, but it never touches the
dimaraw [331]

As the chicken cooks (and if it doesn't directly touch the fire), energy goes through the chemical, radiant, then thermal stages respectively.

The charcoal fire releases chemical energy. The heat of the fire is radiant, and the thermal (heat) of the fire cooks the chicken.

5 0
3 years ago
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Which airplane has more potential energy, a boeing 787 dreamliner having a mass of 2,450kg at 11,500 m above Earth, or a boeing
Readme [11.4K]

Explanation:

For 787 dreamliner airplane,

Mass, m_1=2450\ kg

Height, h_1=11500\ m

Potential energy of 787 dreamliner airplane is given by :

E_1=m_1gh_1\\\\E_1=2450\times 9.8\times 11500\\\\E_1=2.76\times 10^8\ J

For a boeing 747,

Mass, m_2=3150\ kg

Height, h_2=9000 \ m

:

Potential energy of a boeing 747 airplane is given by

E_2=m_2gh_2\\\\E_2=3150\times 9.8\times 9000\\\\E_2=2.77\times 10^8\ J

So, the potential energy of a boeing 747 airplane is more than the 787 dreamliner airplane.

3 0
3 years ago
What is the acceleration if a car slows down from 30 m/s to 15 m/s in 4 seconds?
Tamiku [17]

Answer:

11.25

Explanation:

acceleration =v-u/t

=-30-15/4

=-45/4

=11.25

hope it helps

4 0
3 years ago
Read 2 more answers
13) Each beaker shown to the right contains iron and acid. In which beaker will the iron dissolve the fastest and why? HELP ME A
lakkis [162]

AnsweR

D

Explanation:

beaker B becz of increased surface area

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3 years ago
Please help me
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The potentially harmful effects of mining can be reduced by A. Flushing mines with water.
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4 years ago
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