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xxTIMURxx [149]
3 years ago
10

The picture below shows the setup for an experiment involving a 1000 mL beaker, sitting on a burner, filled with 500 mL of water

, where the burner represents the Sun's energy, and the beaker of water represents Earth's oceans.
During the experiment, black pepper was added to the water as it boiled strongly, and the pepper moved in a circular pattern from the top of the water to the bottom and back again. What does the circular pattern of the pepper represent?

A.
the evaporation of ocean water due to conduction of thermal energy

B.
the pressure of water pushing particulates to the bottom of the ocean

C.
the convection of ocean currents as warm water rises and cool water sinks

D.
the radiation of thermal energy being passed from the Sun into the ocean
Physics
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer:

bye

Explanation:

bye

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H. A truck starts to move from rest. If it gains the acceleration of 3 m/s2 in 5 sec,
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Answer:

1. The final velocity of the truck is 15 m/s

2. The distance travelled by the truck is 37.5 m

Explanation:

1. Determination of the final velocity

Initial velocity (u) = 0 m/s

Acceleration (a) = 3 m/s²

Time (t) = 5 s

Final velocity (v) =?

The final velocity of the truck can be obtained as follow:

v = u + at

v = 0 + (3 × 5)

v = 0 + 15

v = 15 m/s

Therefore, the final velocity of the truck is 15 m/s

2. Determination of the distance travelled

Initial velocity (u) = 0 m/s

Acceleration (a) = 3 m/s²

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Distance (s) =?

The distance travelled by the truck can be obtained as follow:

s = ut + ½at²

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s = 0 + 37.5

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