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3 years ago

12

When using the scientist method, which step comes last?

1 answer:

iogann1982 [59]3 years ago

6 0

Here, I hope this helps.

:)

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Which way should a ceiling fan rotate in the summer

Allisa [31]

During summer months, your ceiling fan blades should be set to spin counterclockwise. When your ceiling fan spins quickly in this direction, it pushes air down and creates a cool breeze.

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3 years ago

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An object is 12 m long, 0.65 m wide, and 13 cm high. Calculate the volume of this object.

ziro4ka [17]

The volume corresponds to the measure of the space occupied by a body. From the given dimensions we can intuit that we are looking to find the Volume of an Cuboid, that is, an orthogonal rectangular prism, whose faces form straight dihedral angles.

Mathematically the volume of this body is given as

$V = lWh$

Where,

L = Length

W = Width

H = High

$V = (12)(0.65)(13*10^{-2})$

$V = 1.014m^3$

Note: The value given for the height was in centimeters, so it was transformed to meters.

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3 years ago

A skier of mass 70 kg is pulled up a slope by a motor-driven cable. The acceleration of gravity is 9.8 m/s 2 . How much work is

mote1985 [20]

Answer:26.65 kJ

Explanation:

Given

mass of skier=70 kg

length of ramp=62.5 m

slope $=38.4 ^{\circ}$

speed=3.77 m/s

so net force on skier must be zero

Net work done will be change in Potential energy of skier

Potential Energy $=mg(\Delta H)$

$\Delta H=62.5sin38.4=38.821 m$

$P.E.=70\times 9.81\times 38.82=26,658.88 J$

P.E.=26.65 kJ

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4 years ago

What most likley happens to the air at the beach at night

Papessa [141]

The air will get colder, Because Of the temperature change

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Electron dot diagrams for four elements are shown. Which element would be<br> found in Group 14?

Aleonysh [2.5K]

Answer:

A (2)

Explanation:

Ap3x

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3 years ago