3 years ago

Based on the graph, which statement is true?

Physics

1 answer:

DiKsa [7]3 years ago

8 0

Answer:

its the first one

Explanation:

they are the hotest layers others arent similar

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A car starting from rest has a constant acceleration of 4 meters per second per second. How fast will it be going in 5 seconds?

irinina [24]

Answer:

18 m

Explanation:

Given : vo = 0 m/s ; t = 3 s; a = 4 m/s^2 ; d = ? m ; average velocity = ? m/s ; fonal velocity = ? m/s

solving for the final velocity, v

v = a * t

v = 4 m/s^2 * 3 s

v = 12 m / s

Solving for the average velocity. avg v

avg v = (vo + v) / 2

avg v = (0 m / s + 12 m/s) / 2

avg v = 6 m / s

Solving for the distance traveled after 3 s

d = avg v * t

d = 6 m / s * 3 s

d = 18 meters

In the first 3s the car travels 18 meters.

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3 years ago

A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.15 T over a region of radius 7.4 m. The charge on

klio [65]

Explanation:

It is given that,

Magnetic field, B = 0.15 T

Charge on a proton, $q=1.60218\times 10^{-19}\ C$

Mass of a proton, $m=1.67262 \times 10^{-27}\ kg$

The cyclotron frequency is given by :

$f=\dfrac{qB}{2\pi m}$

$f=\dfrac{1.60218\times 10^{-19}\ C\times 0.15\ T}{2\pi \times 1.67262 \times 10^{-27}\ kg}$

f = 2286785.40 Hz

$\omega=14368296.44\ rad/s$

$\omega=1.43\times 10^7 rad/s$

Hence, this is the required solution.

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3 years ago

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alexandr1967 [171]

Answer:

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Explanation:

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3 years ago

If it takes Ashley 10 seconds to run from the batter's box to first base at an average speed

abruzzese [7]

Answer:

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Explanation:

Time = 10 seconds

Speed = 6.5 m/s

Distance = ?

$Distance = speed\times time\\\\d = 6.5 \times 10 \\d = 65 m$

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