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3 years ago

ANSWER ASAP AND WILL GIVE BRAINLIEST AND POINTS

Physics

2 answers:

denis-greek [22]3 years ago

8 0

Answer:

Explanation:

Mars is the planet between Earth and Jupiter, or the 4th planet from the Sun.

34kurt3 years ago

5 0

Answer:

D is the correct answer

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The independent variable:

ValentinkaMS [17]

Answer:

A. Is the one that the experimenter manipulates directly

Explanation:

The independent variable is the one that is manipulated during an experiment by the experimenter.

The dependent variable is the one that is effected by the independent variable in an experiment.

3 0

3 years ago

Before beginning a long trip on a hot day, a driver inflates anautomobile tire to a gauge pressure of 2.70 atm at 300 K. At the

anygoal [31]

Answer:

The value is the temperature of the air inside the tire $T_{2} =$ 340.54 K

% of the original mass of air in the tire should be released 99.706 %

Explanation:

Initial gauge pressure = 2.7 atm

Absolute pressure at inlet $P_{1}$ = 2.7 + 1 = 3.7 atm

Absolute pressure at outlet $P_{2}$ = 3.2 + 1 = 4.2 atm

Temperature at inlet $T_{1}$ = 300 K

(a) Volume of the system is constant so pressure is directly proportional to the temperature.

$\frac{T_{2} }{T_{1} } = \frac{P_{2} }{P_{1} }$

$\frac{T_{2} }{300} = \frac{4.2}{3.7}$

$T_{2} =$ 340.54 K

This is the value is the temperature of the air inside the tire

(b). Since volume of the tyre is constant & pressure reaches the original value.

From ideal gas equation P V = m R T

Since P , V & R is constant. So

m T = constant

$m_{1} T_{1} = m_{2} T_{2}$

$\frac{m_{2} }{m_{1} } = \frac{T_{1} }{T_{2} }$

$\frac{m_{2} }{m_{1} } = \frac{300}{354.54}$

$\frac{m_{2} }{m_{1} } =0.00294$

value of the original mass of air in the tire should be released is $\frac{m_{2} - m_{1}}{m_{1}}$

$\frac{0.00294-1}{1}$

⇒ -0.99706

% of the original mass of air in the tire should be released 99.706 %.

8 0

2 years ago

11. Meaningful digits in a measured quantity are known as??

-Dominant- [34]

The significant figures also known as the significant digits or precision of a number written in positional notation are digits that carry meaningful contributions to its measurements

8 0

3 years ago

The term used to describe the ability of a conduit to conduct flow is:

MissTica

The answer is , Conductance

8 0

3 years ago

Read 2 more answers

Which scenario uses the most power

Studentka2010 [4]

Answer:power is equal in the three Scenarios

Explanation:

Power=work ➗ time

scenario A:

Power=120 ➗ 6

Power=20watts

Scenario B:

Power=160 ➗ 8

Power=20watts

Scenario C:

Power=work ➗ time

Power=200 ➗ 10

Power=20watts

Power is equal in the 3 scenarios

8 0

3 years ago