3 years ago

WILL MARK BRAIN A=154 B=145 C=26 D=206

Physics

1 answer:

ANEK [815]3 years ago

5 0

Answer:

154

Explanation:

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stealth61 [152]

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A dramatic demonstration, called "singing rods," involves a long, slender aluminum rod held in the hand near the rod's midpoint.

Korvikt [17]

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3 years ago

A wave is sent along the first rope transmitting a power of 57.3 W. It has a wavelength of 5.54 cm and velocity of 13.87 m/s The

Serhud [2]

Answer:

$A = 2.43*10^{-3} m$

Explanation:

power through string can be determined as shown in figure

$P = 2\pi ^2 HVA^2F^2$

Where

P = 57.3 W

V = 13.87 m/s

H = 567 g/m

we know that

$V = f *\lambda$ $\lambda = \frac{v}{f}$

therefore $P = 2\pi ^2 HVA^2(\frac{v}{f})^2$

$57.3 = \frac{2\pi ^2 * 0.567 *13.87^{3}* A^2}{(5.54*10^{-2})^2}$

$A = 2.43*10^{-3} m$

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3 years ago

What is the value of x? enter your answer in the box. Mm triangle v t k with segment t y such that y is on segment v k, between

Crank

Answer: 98 millimeters

Explanation:

Since angle VTY is congruent to angle VTK, segment TY bisects angle VTK. Since Y is on segment VK, between V and K, we can use the Angle Bisector Theorem, which states that

(1)

Since x= VK = VY + YK, we need to obtain VY since YK = 68.

VY is obtained by multiplying the denominator YK on both sides of equation (1). So,

Hence,

x = VK = VY + YK

x = 30 + 68

x = 98 millimeters

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2 years ago

Helpppp physics plzzzzz

Kay [80]

Hi!

This is representing constant positive acceleration. We can figure this out by its increasing speed, not a speed that is constant.

If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one! :)

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2 years ago