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marysya [2.9K]
3 years ago
14

You are given the speed of a wave and it's period. What kind of information can you also find out about this wave?

Physics
1 answer:
ozzi3 years ago
5 0
Its frequency because you already found out its speed & period 
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At the beginning of a basketball game, the referee tosses the ball straight up with a speed of 4.6m/s. A player cannot touch the
maria [59]

Answer:

t=0.47s

Explanation:

the ball has uniformly accelerated movement due to gravity

Vo=initial speed=4.6m/s

g=gravity=-9.8m/s^2

Vf=final speed=0, the player must wait for the ball to stop. so the final speed will be 0

we can use the following ecuation

T=(Vf-Vo)/g

T=(0-4.6)/-9.8m/s^2

T=0.47s

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Visible light is a range of _____ energy EM waves in the electromagnetic spectrum that the human eye can see. A. zero B. high C.
patriot [66]
The answer is a or d

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3 years ago
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A 1,000 kg ball traveling at 5 m/s would have
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Answer:

15 because 5×5×5 is the same thing as 5×3 which equals to 15

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10. Mario is making chocolate. In part of the chocolate-making process, he changed the phase from a liquid to a solid. What happ
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Answer:

B

Explanation:

in a liquid the particles are widespread and move around each other but in a solid they move in place and are tightly packed

6 0
3 years ago
There's an electric field in some region of space that doesn't change with position. An electron starts moving with a speed of 2
tangare [24]

Answer:

Explanation:

Given

speed of Electron u=2\times 10^7\ m/s

final speed of Electron v=4\times 10^7\ m/s

distance traveled d=1.2\ cm

using equation of motion

v^2-u^2=2as

where v=Final velocity

u=initial velocity

a=acceleration

s=displacement

(4\times 10^7)^2-(2\times 10^7)^2=2\times a\times 1.2\times 10^{-2}

a=5\times 10^{16}\ m/s^2

acceleration is given by a=\frac{qE}{m}

where q=charge of electron

m=mass of electron

E=electric Field strength

5\times 10^{16}=\frac{1.6\times 10^{-19}\cdot E}{9.1\times 10^{-31}}

E=248.3\ kN/C                

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3 years ago
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