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pentagon [3]
4 years ago
10

Which best describes an error the students made in the experiment?

Physics
1 answer:
Colt1911 [192]4 years ago
5 0

Answer:

Personal Error

Explanation:

The error which occurs due to the person taking observation is called personal error.

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astraxan [27]

Answer:

the gravity

Explanation:

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Is the following chemical equation balanced?<br><br> 4Al + 3O2 2Al2O3<br><br> yes<br> no
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Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?
bekas [8.4K]

Answer:

Explanation:

"The thermal energy moving from her coffee to the tongue" represent the heat.

Here coffee is at high temperature while tongue is at low temperature, when Ixchelt tongue make contact with coffee then thermal energy of coffee is absorbed by tongue and tongue gets burned.

As heat always from high Potential to low that is why heat is absorbed by tongue.

6 0
3 years ago
Read 2 more answers
A special standard weight, known to weight 10 N to high accuracy, is used to check the accuracy of two spring scales. On the fir
zysi [14]

Answer:

16 % and 9 %

Explanation:

Accurate reading = 10 N

reading of first balance = 8.4 N

reading of second balance = 9.1 N

Percentage difference in first reading

= \frac{True reading - reading of first balance}{True reading}\times 100 %

= \frac{10-8.4}{10}\times 100 % = 16 %

Percentage difference in second reading

= \frac{True reading - reading of second balance}{True reading}\times 100 %

= \frac{10-9.1}{10}\times 100 % = 9 %

4 0
3 years ago
HELPPPPP ASAPPP!!!!!!!
bezimeni [28]

Answer:

The tension T in each of the cables, T = 98 N

Explanation:

Given,

The mass of the loudspeaker, m = 20.0 Kg

The suspended distance of the loudspeaker, d = 2.20 m

The length of each cable, l = 2.9 m

The tension experienced by the cable is given by the formula,

                           T = mg + ma    newton

Where,

                        g - acceleration due to gravity

                        a-acceleration produced by the stretched cable

Since the stretched cable and loudspeaker is not moving, then the tension force acting on the cable is equal to the force of gravity.

                              T = mg  newton

Substituting the values in the above equation

                              T = 20

                                 = 20.0 Kg x 9.8 m/s²

                                 = 196 N

This force is equally supported by the two cables, then the tension in each cable is

                                  T = 196 N / 2

                                     = 98 N

Hence, the tension T in each of the cables, T = 98 N

4 0
4 years ago
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