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2 years ago

The two days of the year on which neither hemisphere is tilted toward or away from the sun are called

Physics

2 answers:

Dmitry_Shevchenko [17]2 years ago

5 0

The solstice,they are of two types winter and summer

Serggg [28]2 years ago

3 0

Answer:

Solstices

Explanation:

The solstices are the days of the year in which the sun reaches its highest or lowest apparent height in the sky, and the duration of the day or night is the maximum of the year, respectively. The summer solstice of the northern hemisphere occurs between June 20 and 22 and between December 20 and 22 of each year the winter solstice of the northern hemisphere occurs

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What happens to a circuit's resistance (R), voltage (V), and current (1) when

hammer [34]

Answer:

R increases

V is constant

I decreases

Explanation:

The resistance of a wire is given by the following formula:

$R = \frac{(Resistivity)(L)}{A}$

It is clear from this formula that resistance is directly proportional to the length of wire. So, when length of wire is increased, the resistance of circuit increases.

The voltage in the circuit will be constant as the voltage source remains same and it is not changed.

Now, we can use Ohm Law:

V = IR

at constant V:

I ∝ 1/R

it means that current is inversely proportional to resistance. Hence, the increase of resistance causes the current in circuit to decrease.

Therefore, the correct option will be:

D.

R increases

V is constant

I decreases

6 0

2 years ago

Which of the following is an example of technology influencing science?

FinnZ [79.3K]

Answer:A and C

Explanation:

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2 years ago

If you wanted to know the location of a vehicle that ran out of gas after taking a zigzag route through the city, which quantity

Papessa [141]

Explanation:

the vehicles displacement, since displacement deals with position

8 0

2 years ago

A plane is flying east when it drops some supplies to a designated target below. The supplies land after falling for 10 seconds.

Diano4ka-milaya [45]

solution:

As Given plane is flying in east direction.

It throws back some supplies to designated target.

Time taken by the supply to reach the target =10 seconds

g = Acceleration due to gravity = - 9.8 m/s²[Taken negative as object is falling Downwards]

As we have to find distance from the ground to plane which is given by d.

d = $\frac{1}{2}\times g\times t^2$

= $\frac{1}{2}\times (9.8) \times(100) =50\times 9.8=490$ meters

Distance from the ground where supplies has to be land to plane = Option B =490 meters

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3 years ago

Read 2 more answers

In what subject could we see cross cutting concepts

meriva

A Framework for K–12 Science Education: Practices, Crosscutting Concepts, and Core Ideas (Framework) recommends science education in grades K–12 be built around three major dimensions: science and engineering practices, crosscutting concepts that unify the study of science and engineering through their common application across fields, and core ideas in the major disciplines of natural science.

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2 years ago