The statement is true, when the switch is closed electrons will flow.
<h3>
What is current?</h3>
Current can be defined as the rate of flow of charges or electrons in a given circuit.
Q = It
I = Q/t
where
- Q is charge
- t is time
- I is current
<h3>What is a Closed circuit?</h3>
A closed circuit is a type of circuit in which the wire connection of the circuit is complete and in which current flows.
Switch can be used close or open a circuit.
Thus, the statement is true, when the switch is closed electrons will flow.
Learn more about closed circuits here: brainly.com/question/2969220
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M1 v1 = (m1 + m2)v2.
All of the exponents should be lowered to the bottom right of the letters.
Answer:
a = 1,375 m / s²
Explanation:
For this exercise we use Newton's second law where the force applied by the astronaut is F = 48.1, the body weight is W = 41.5 N and the body mass is m = 4.80 kg
F - W = m a
a = (F -W) / m
let's calculate
a = (48.1 - 41.5) / 4.80
a = 1,375 m / s²
this acceleration is directed upwards
Answer: 686 joules
Explanation:
Work done = ?
Mass of fallen object = 10 kg
Height = (12m - 5m) = 7metres
(The height is 7metres because the object fell from an height of 12m to 5m)
Acceleration due to gravity g = 9.8m/s2
Workdone = Mass x Acceleration due to gravity x height
= 10kg x 9.8m/s2 x 7 metres
= 686 joules
Thus, the work done by gravity is 686 joules
Answer:
The answer is below
Explanation:
The speed of the boat in still water is perpendicular to the speed of the water flow. Therefore the speed relative to the ground (V), the speed of flow and the speed of the boat in still water form a right angled triangle. Hence the speed relative to the ground is given as:
V² = 56² + 126²
V² = 19012
V = 137.9 m/s