The conversion steps listed above in order from start to finish are already in an arranged form from 1-4.
<h3>What is a biosphere?</h3>
A biosphere can be defined as the part of the earth that supports life. These include :
The flow of energy through the biosphere includes
- Energy from the sun which is as a result of the nuclear fusion,
- the energy released is absorbed by plant chlorophyll,
- Chemical energy is released during respiration.
- Photosynthesis converts carbon dioxide and water into glucose and oxygen.
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Answer:
b. The electric field points away from the source charge, if the source charge is positive
d. The electric field points toward the source charge, if the source charge is negative.
Explanation:
A positive source charge would create an electric field that would exert a repulsive effect upon a positive test charge. Thus, the electric field vector would always be directed away from positively charged objects. On the other hand, a positive test charge would be attracted to a negative source charge. Therefore, electric field vectors are always directed towards negatively charged object.
Also electric field strength depends only on test charge
The correct options include b and d
The electric field points away from the source charge, if the source charge is positive.
Also, the electric field points toward the source charge, if the source charge is negative.
Answer:
Tension, T = 0.0115 N
Explanation:
Given that,
Mass of the plastic ball, m = 1.1 g
Length of the string, l = 56 cm
A charged rod brought near the ball exerts a horizontal electrical force F on it, causing the ball to swing out to a 21.0 degree angle and remain there. According to attached figure :
T is tension in the string
So, the tension in the string is 0.0115 N.
500N
Explanation:
Given parameters:
Mass of skater = 50kg
Acceleration = 10m/s
Unknown:
Force = ?
Solution;
Force is a push or pull on a body. it is given as the product of mass and acceleration:
Force = mass x acceleration
Input the parameters:
Force = 50 x 10 = 500N
She hits the wall with a force of 500N
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Answer:
The speed of sound is greater in hot air than it is in cold air. This is because the molecules of air are moving faster and the vibrations of the sound wave can therefore be transmitted faster. This means that when sound travels from hot air to cold air or from cold air to hot air it will refract.
Explanation:
Hope this will be help!
