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igor_vitrenko [27]
3 years ago
15

Solenoid is another word for

Physics
1 answer:
Artyom0805 [142]3 years ago
5 0
Answer: coil of wire
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Honey bees can acquire a small net charge on the order of 1 pC as they fly through the air and interact with plants. Estimate th
murzikaleks [220]

Answer:

3.35\cdot 10^{-16}N

Explanation:

The force exerted on a charged particle due to a magnetic field is given by:

F=qvB sin \theta

where

q is the charge of the particle

v is the velocity of the particle

B is the magnetic field strength

\theta is the angle between the directions of B and v

In this problem we have:

q=1 pC=1\cdot 10^{-12} C is the charge of one honey bee

v=15 mi/h = 6.7 m/s is the velocity of the bee

B=5.0\cdot 10^{-5} T is the average strength of the Earth's magnetic field

\theta=90^{\circ}, because the bee flies east to west while the Earth's magnetic field is south to north

Substituting into the equation, we find:

F=(1\cdot 10^{-12}C)(6.7 m/s)(5.0\cdot 10^{-5} T)(sin 90^{\circ})=3.35\cdot 10^{-16}N

7 0
3 years ago
horizontal force pushes block up a 20.0 incline with an initial speed 12.0 m//s. a) how high up the plane does slide before comi
Annette [7]

Answer:

Explanation:

We shall apply conservation of mechanical energy .

initial kinetic energy = 1/2 m v²

= .5 x m x 12 x 12

= 72 m

This energy will be spent to store potential energy . if h be the height attained

potential energy = mgh , h is vertical height attined by block

= mg l sin20  where l is length up the inclined plane  

for conservation of mechanical energy

initial kinetic energy  = potential energy

72 m = mg l sin20

l = 72 /  g  sin20

= 21.5 m

deceleration on inclined plane = g sin20

= 3.35 m /s²

v = u - at

t = v - u / a

= (12 - 0) / 3.35

= 3.58 s

it will take the same time to come back . total time taken to reach original point = 2 x 3.58

= 7.16 s

7 0
3 years ago
Why can biofuels be described as renewable resources?​
gulaghasi [49]

Answer:

Biofuel is fuel that is produced through contemporary processes from biomass, rather than by the very slow geological processes involved in the formation of fossil fuels, such as oil. Since biomass technically can be used as a fuel directly, some people use the terms biomass and biofuel interchangeably. 

Biofuel, any fuel that is derived from biomass—that is, plant or algae material or animal waste. Since such feedstock material can be replenished readily, biofuel is considered to be a source of renewable energy, unlike fossil fuels such as petroleum, coal, and natural gas.

stream life goes on and dynamite

we're about to reach 1B

♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡

5 0
3 years ago
What produces magnetic fields?
Darina [25.2K]
B. moving electric charges, hope this helps :)
6 0
2 years ago
According to the three laws of planetary motion, planetary orbits are in the shape of a/an
Talja [164]
<span>According to the three laws of planetary motion, planetary orbits are in the shape of an "Ellipse"

In short, Your Answer would be Option B

Hope this helps!</span>
8 0
3 years ago
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