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2 years ago

1. How much heat is required to raise the temperature of 57.8kg of silver from 17.0°C to

Physics

1 answer:

Y_Kistochka [10]2 years ago

7 0

Answer: unknown so the second one
I hope this helps you with your stuff

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The electroscope is an apparatus used to detect electric charge. The electroscope consists of a plate, a support and a free to r

Marat540 [252]

Answer:

Positive

Explanation:

The leaves will diverge further: The positive charge on the leaves has increased further. This occurs when positive charge is produced on the leaves by the charged object. This is quite possible only when the object is positively charged.

4 0

3 years ago

Winds are the main cause of ___ currents in the ocean

raketka [301]

Winds are the main cause of ocean currents in the ocean.

5 0

2 years ago

A force of 6 N will stretch a rubber band 4 cm (0.04 m). Assuming that Hooke's law applies, how far will an 18-N force stre

Bogdan [553]

Explanation:

First, we need to calculate the constant force, that is, the ratio between the applied force and the rubber stretch due to the application of the force:

$k=\frac{F}{d}(1)\\k=\frac{6N}{0.04m}\\k=150\frac{N}{m}$

Now, we can know how far will an 18N force stretch the rubber. From (1):

$d=\frac{F}{k}\\d=\frac{18N}{150\frac{N}{m}}\\d=0.12m=12cm$

The work done by the external force on the rubber is equal to its elastic potential energy:

$W=\frac{kd^2}{2}\\W=\frac{150\frac{N}{m}(0.12m)^2}{2}\\W=1.08J$

3 0

2 years ago

Brandon ice skates with his family at a local park every winter. Last summer, he noticed the pond he was fishing in was in the e

Bond [772]

A is possible but unlikely as the concrete will be HUGE!

B is also unlikely as the ice will melt as it is broken down by bulldozers n turn into water!

C is impossible as it requires a LOT of fish.

D. the water is frozen solid as the temperature drops each winter and the ice melts when the temperature increases again is the best explanation.

8 0

3 years ago

Read 2 more answers

Radio station WARG is located at (-16, 0) on a coordinate grid. Station WERK is located at (22, 10). If WARG has a range of 24 u

Katena32 [7]

Answer:

dddddff

Explanation:

The distance between the 2 points , (22,10) and (-16,0) is:

$d=\sqrt {(22+16)^2+(10-0)^2}$

<u>Distance between the two radio stations = 39.2938 units</u>

The range of radio station WARG = 24 units

The range of radio station WERK = 20 uints

<u>As, 39.2938 units is less than 44 units (24+20 units), it means that the 2 circles have some common area. Thus, The two stations can reach the same audience. </u>

A image is shown below to explain the scenario explained in the question.

8 0

2 years ago