3 years ago

The term test variable refers to:

Physics

2 answers:

Len [333]3 years ago

7 0

Answer:

The answer should be B.)

Explanation:

I took the test and got this correct

timofeeve [1]3 years ago

4 0

Answer:

answer should be C.) Independent variable since its the one being changed

Explanation:

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A golfer hits her tee-shot due north towards the fairway. Her shot has an initial velocity of 60 m/s. A 15 m/s wind is blowing i

vovangra [49]

Answer:

$c=71.4m/s$

$\theta=8.54\textdegree$

Explanation:

From the question we are told that

Initial velocity of 60 m/s

Wind speed $V_w= 15 m/s \angle 45 \textdegree$

Generally Resolving vector mathematically

$sin(45\textdegree)15=10.6\\cos(45\textdegree)15=10.6$

Generally the equation Pythagoras theorem is given mathematically by

$c^2=a^2+b^2$

$c^2=10.6^2 +(10.6+60)^2$

$c=\sqrt{10.6^2 +(10.6+60)^2}$

Therefore Resultant velocity (m/s)

$c=71.4m/s$

b)Resultant direction

Generally the equation for solving Resultant direction

$\theta=tan^-1(\frac{y}{x})$

Therefore

$\theta=tan^-1(\frac{10.6}{70.6})$

$\theta=8.54\textdegree$

7 0

3 years ago

A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic fie

Nutka1998 [239]

Answer:

i = 0.5 A

Explanation:

As we know that magnetic flux is given as

$\phi = NBA$

here we know that

N = number of turns

B = magnetic field

A = area of the loop

now we know that rate of change in magnetic flux will induce EMF in the coil

so we have

$EMF = NA\frac{dB}{dt}$

now plug in all values to find induced EMF

$EMF = (20)(50 \times 10^{-4})(\frac{6 - 2}{2})$

$EMF = 0.2 volts$

now by ohm's law we have

$current = \frac{EMF}{Resistance}$

$i = \frac{0.2}{0.40} = 0.5 A$

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3 years ago

3. Applying Concepts Explain why a canoe that has hollow, water-

Alekssandra [29.7K]

Answer:

I may be wrong

Explanation:

it it won't collapse because it is like a log logs don't sink when they are in water

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3 years ago

Which technological advance allows scientists to handle these objects enough to feel their properties while still protecting the

muminat

The answer depends heavily on what 'objects' you're talking about.

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3 years ago

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What is the awnser to Blank occurs when a substance changes from a liquid to a gas

PolarNik [594]

Evaporation (or another word to use is water vapor.)

3 0

3 years ago