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MrMuchimi
3 years ago
13

The surface tension of the alcohol propanol in air has a value of 23.70 units

Physics
2 answers:
Masja [62]3 years ago
6 0

Answer: A & D

Explanation: A PEX

Anni [7]3 years ago
5 0

Answer:

A & D your welcome

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A student heats a piece of aluminum, with specific heat 0.900 J/gºC, in
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3 years ago
How does metamorphic rock change into another type of metamorphic rock?
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4 0
3 years ago
A device called an insolation meter is used to measure the intensity of sunlight. It has an area of 100 cm2 and registers 6.50 W
labwork [276]

Answer:

<h2>650W/m²</h2>

Explanation:

Intensity of the sunlight is expressed as I  = Power/cross sectional area. It is measured in W/m²

Given parameters

Power rating = 6.50Watts

Cross sectional area = 100cm²

Before we calculate the intensity, we need to convert the area to m² first.

100cm² = 10cm * 10cm

SInce 100cm = 1m

10cm = (10/100)m

10cm = 0.1m

100cm² = 0.1m * 0.1m = 0.01m²

Area (in m²) = 0.01m²

Required

Intensity of the sunlight I

I = P/A

I = 6.5/0.01

I = 650W/m²

Hence, the intensity of the sunlight in W/m² is 650W/m²

4 0
3 years ago
A body builder exerts 15 N of force over 3 m. How much work did she do?
tangare [24]
Work done = force x distance

work done = 15 x 3

work done = 45J
4 0
3 years ago
Read 2 more answers
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