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3 years ago

(8 x 104) (4.5x 10-1) =

Mathematics

1 answer:

Rashid [163]3 years ago

3 0

$\tt{}(8 \times 104)(4.5 \times 10 - 1)$

$\tt{}(832)(45 - 1)$

$\tt{}(832)(44)$

$\tt{}832 \times 44$

$\tt{}36608$

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An object in shm oscillates with a period of 4.0s and an amplitude of 11 cm . part a how long does the object take to move from

Alika [10]

If the Amplitud is 11×2=22cm and the wave was in shm then we can get the wavelength as 11×2=22s.
From the wave equation,

v=fλ Where v⇒speed
f⇒frequency and
λ⇒Wavelength

And we know that;
f=1/T
f = 1/4 =0.25 Hz
∴v = 0.25 ×22 = 5.5 cm/s

Since we know know the speed of the object we can get its time it takes from (0-6.5) cm.

v = fλ = λ/T

∴T = λ/v
= 6.5/5.5
= 1 2/11
= 1.181818s

The time taken for the object <span>to move from x = 0.0 cm to x = 6.5 cm is </span>1.181818s

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4 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B25%7D%20" id="TexFormula1" title=" \sqrt{25} " alt=" \sqrt{25} " align="absmiddle

pantera1 [17]

Since 5 × 5 = 25, the square root is 5.

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4 years ago

A particle moves along a horizontal line. Its position function is s(t) for t is greater than or equal to 0. For each problem, f

OleMash [197]

Answer:

1) Velocity

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$a(t) = -12\cdot t^{2}+72\cdot t$

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$v(t) = -4\cdot t^{3}+24\cdot t^{2}$

Acceleration

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Step-by-step explanation:

From Physics we remember that velocity ( $v(t)$ ) and acceleration ( $a(t)$ ) are the first and second derivatives of the function position in time. That is:

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Velocity

$v(t) = -4\cdot t^{3}+36\cdot t^{2}$

Acceleration

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2) Let $s(t) = -t^{4}+8\cdot t^{3}$ , where $t\ge 0$ . The functions velocity and acceleration are, respectively:

Velocity

$v(t) = -4\cdot t^{3}+24\cdot t^{2}$

Acceleration

$a(t) = -12\cdot t^{2}+48\cdot t$

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3 years ago

the number of points in the first five games of the football season are listed below. what is the mean number of points scored?

yarga [219]

^ You again? Quit being sus and answer the question here instead of elsewhere.

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So, 38 + 29 + 16 + 42 + 33 = 158. There were five numbers added, so the next step is to divide 158 by 5. That equals 31.6 as your answer.

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3 years ago

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Ray Of Light [21]

Answer:

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