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4 years ago

Which is not an era of the Phanerozoic eon

Physics

1 answer:

kondor19780726 [428]4 years ago

7 0

The answer to this question is Hadean!!!!!!!

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The crew of a cargo plane wishes to drop a crate of supplies on a target below. To hit the target, when should the crew drop the

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To hit the target the crew drop the crate before the plane is directly over the target. It is because because the cargo has forward velocity and therefore before it reaches the ground it travels some distance. The answer is A. Hope it helps.

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3 years ago

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Can someone answer this question? {For me: question 48}

qaws [65]

0.000000218 = 2 x 10^ -8

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3 years ago

75 POINTS AND BRAINLY

kramer

Answer:

B=work=power/time

Explanation:

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A -turn rectangular coil with length and width is in a region with its axis initially aligned to a horizontally directed uniform

madam [21]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The maximum emf is $\epsilon_{max}= 26.8 V$

The emf induced at t = 1.00 s is $\epsilon = 24.1V$

The maximum rate of change of magnetic flux is $\frac{d \o}{dt}|_{max} =26.8V$

Explanation:

From the question we are told that

The number of turns is N = 44 turns

The length of the coil is $l = 15.0 cm = \frac{15}{100} = 0.15m$

The width of the coil is $w = 8.50 cm =\frac{8.50}{100} =0.085 m$

The magnetic field is $B = 745 \ mT$

The angular speed is $w = 64.0 rad/s$

Generally the induced emf is mathematically represented as

$\epsilon = \epsilon_{max} sin (wt)$

Where $\epsilon_{max}$ is the maximum induced emf and this is mathematically represented as

$\epsilon_{max} = N\ B\ A\ w$

Where $\o$ is the magnetic flux

N is the number of turns

A is the area of the coil which is mathematically evaluated as

$A = l *w$

Substituting values

$A = 0.15 * 0.085$

$= 0.01275m^2$

substituting values into the equation for maximum induced emf

$\epsilon_{max} = 44* 745 *10^{-3} * 0.01275 * 64.0$

$\epsilon_{max}= 26.8 V$

given that the time t = 1.0sec

substituting values into the equation for induced emf $\epsilon = \epsilon_{max} sin (wt)$

$\epsilon = 26.8 sin (64 * 1)$

$\epsilon = 24.1V$

The maximum induced emf can also be represented mathematically as

$\epsilon_{max} = \frac{d \o}{dt}|_{max}$

Where $\o$ is the magnetic flux and $\frac{d \o}{dt}|_{max}$ is the maximum rate at which magnetic flux changes the value of the maximum rate of change of magnetic flux is

$\frac{d \o}{dt}|_{max} =26.8V$

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3 years ago

Charlie drove around the block at constant velocity, is it true or false?

Paha777 [63]

Answer:

FALSE I THINK

Explanation:

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3 years ago