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HACTEHA [7]
3 years ago
13

What is shown in the diagram?

Physics
1 answer:
Sav [38]3 years ago
4 0

Answer:

an electromagnet

Explanation:

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You are measuring the mass of different chemicals to get ready to conduct an experiment.
vova2212 [387]

Answer:

B) grams

The SI unit for mass is grams.

3 0
3 years ago
Read 2 more answers
1. in which of the following cases is the wavelength of the emitted radiation greatest? electron jumps from third orbit to secon
Yuki888 [10]
The more energy orbits the radiation jumps the more energy it has. So if the frequency stays the same each time then the wavelength will get longer if there is more energy.

In this case the situation in which the radiation jumps the most energy orbits is when: the electron jumps from the fourth orbit to the first orbit. This will emit the longest wavelength
7 0
3 years ago
A particle leaves the origin with a speed of 3.6 106 m/s at 34 degrees to the positive x axis. It moves in a uniform electric fi
Andrej [43]

Answer:

E = -4556.18 N/m

Explanation:

Given data

u = 3.6×10^6 m/sec

angle = 34°

distance x = 1.5 cm = 1.5×10^-2 m  (This data has been assumed not given in

Question)

from the projectile motion the horizontal distance traveled by electron is

x = u×cosA×t

⇒t = x/(u×cos A)

We also know that force in an electric field is given as

F = qE

q= charge , E= strength of electric field

By newton 2nd law of motion

ma = qE

⇒a = qE/m

Also, y = u×sinA×t - 0.5×a×t^2

⇒y = u×sinA×t - 0.5×(qE/m)×t^2

if y = 0 then

⇒t = 2mu×sinA/(qE) = x/(u×cosA)

Also, E = 2mu^2×sinA×cosA/(x×q)

Now plugging the values we get

E = 2×9.1×10^{-31}×3.6^2×10^{12}×(sin34°)×(cos34°)/(1.5×10^{-2}×(-1.6)×10^{-19})

E = -4556.18 N/m

4 0
3 years ago
A variable that is described using both a number and a direction is called
kompoz [17]
Velocity, because velocity is speed and direction(speed for the number, and well, direction for the direction)
8 0
3 years ago
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4. A 20 N force pushes a cart. That cart accelerates at a rate of 10 m/s/s. What will the acceleration of the
SpyIntel [72]
F=ma
=> 20=10m so m=2
Then the force is doubled 20.2=40
F'=ma'
m does not change so 40=2.a'
a'=20 which is option b.
Give a brainliest please:-)
6 0
2 years ago
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