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3 years ago

How do mass and speed affect kinetic energy?

2 answers:

6 0

The mass affects the kinetic energy because the more the mass the more energy is given to the object and the speed<span> affects by making it go faster and longer, so whenever speed goes up so does energy.</span>

Nikolay [14]3 years ago

4 0

Here is your answer:

Kinetic energy is when an object or person is moving.

Ex: A car going down the street.

Mass effects kinetic energy because mass is weight and weight will make an object go slower which lowers the kinetic energy and rises the potential energy (that's when a object is at rest or not moving)

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A power transmission line is hung from metal towers with glass insulators having a resistance of 1.00×109 Ω . What current flows

Hunter-Best [27]

Answer:

The current flows through the insulator is 2 mA.

Explanation:

Given that,

Resistance $R=1.00\times10^{9}\ \Omega$

Voltage = 200 kV

We need to calculate the current

Using ohm's law

$V=IR$

$I=\dfrac{V}{R}$

Where, I = current

V = voltage

R = resistance

Put the value into the formula

$I=\dfrac{200\times10^{3}}{1.00\times10^{9}}$

$I=0.0002\ A$

$I=2\ mA$

Hence, The current flows through the insulator is 2 mA.

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4 years ago

is it true that parallel worlds exists? if yes or no, give proper reasons and proof. brainliest to the best

Daniel [21]

Answer:

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Explanation:

Its said above.

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3 years ago

A jet airliner moving initially at 504 mph (with respect to the ground) to the east moves into a region where the wind is blowin

adelina 88 [10]

Answer

given,

intial velocity = 504 mph

wind speed = 219 mph

at an angle of 29◦

from the data

The resultant velocity =

$V = V_x \hat{i} + V_y\hat{j}$

$V = (504 + 219 cos 29^0 ) \hat{i} +(219 sin 29^0 )\hat{j}$

$V = 695.54\hat{i} + 106.17 \hat{j}$

the magnitude of velocity

$V = \sqrt{695.54^2+106.17^2}$

V = 703.59 m/s

direction

tan θ = $\dfrac{106.17}{695.54}$

θ = 8.676°

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