4 years ago

How do you measure the wavelength of a transverse wave?

Physics

1 answer:

DENIUS [597]4 years ago

8 0

By looking at how wiggily the bar is lol

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The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply

kykrilka [37]

Answer: Got It!

<em>Explanation: </em>let s = speed at launch

v = 0 at top = s sin 63 - g t

so at top

t = s sin 63/g = .0909 s

h = 13.6 = s sin 63 t - 4.9 t^2

13.6 = .081s^2 - .0405 s^2

s^2 = 336

s = 18.3 m/s

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4 0

3 years ago

The length of a rectangle is four times its width. The perimeter of the rectangle is at most 130 cm. Which inequality models the

leva [86]

The answer would be the one where the left side is less than or equal to 130 because 130 has to be the greatest value and the value of the w's cannot exceed 130, but they can equal it

4 0

3 years ago

When a light bulb is connected to a 4.5 V battery, a current of 0.16 A passes through the bulb filament. What is the resistance

larisa [96]

Answer:

R = 28.125 ohms

Explanation:

Given that,

The voltage of a bulb, V = 4.5 V

Current, I = 0.16 A

We need to find the resistance of the filament. Using Ohm's law,

V = IR

Where

R is the resistance of the filament

So,

$R=\dfrac{V}{I}\\\\R=\dfrac{4.5}{0.16}\\\\R=28.125\ \Omega$

So, the resistance of the filament is equal to 28.125 ohms.

5 0

3 years ago

A microscope has an objective lens with a focal length of 14.0mm . A small object is placed 0.80mm beyond the focal point of the

Nikolay [14]

Answer:

A. 260 mm

B. - 18

C. 175

Explanation:

The expression for the lens equation is

$\frac{1}{f} = \frac{1}{u} + \frac{1}{v}$

$\frac{1}{14.0mm} = \frac{1}{14.80 mm} + \frac{1}{v}$

$\frac{1}{v} = \frac{1}{14.0} - \frac{1}{14.80}$

v = 259 mm

= 260 mm or 26 cm (to 2 s.f)

check the attached files for additional solution

3 0

3 years ago

this symbol represents a particular isotope of carbon. the number 6 is the atomic number. what does this tell us about the isoto

Mashutka [201]

Answer:

It tells us that the element has 6 electrons in it's shells

Explanation:

4 0

3 years ago