The acceleration due to gravity on the earths surface is?
2 answers:
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Answer : The correct options are, (B) a newton-meter and a joule and (C) a newton and a joule/sec
Explanation :
As we know that,
or we can say that,
From the given options, the option B and C are the equivalent units.
Hence, the correct options are, (B) and (C)
Answer:
We conclude that the quantity of the charge that flows through the wire in 50 s will be 45 C.
Explanation:
Given
- Current I = 0.9 A
- Time t = 50 s
To determine
We need to find the quantity of the charge that flows through the wire in 50 s.
Important Tip:
A current of 1 Ampere = 1 Coulomb of charge flowing in 1 second
Using the formula involving charge and current
where:
represents the current in amperes (A)
represents the charge in coulomb (C)
represents the time in seconds (s)
now substituting I = 0.9 and t = 50 in the formula
switch sides
Multiply both sides by 50
Simplify
C
Therefore, we conclude that the quantity of the charge that flows through the wire in 50 s will be 45 C.