C) is correct
series circuit - in the same path : current flow on one path so they are equal on each component and equal to the source's. voltage on each components may be different.
parallel circuit - between same nodes : voltage of the components are equal and equal to the source's. current on each components may be different.
Answer:
area is 0.245 m²
Explanation:
The equation for pressure is
P = F / A
Where P is the pressure, F the force and A the area where the force is applied.
With the data we can calculate the pressure applied by the feet on the human on the floor
P1 = W / A = mg / A
P1 = 75 9.8 / 0.05
P1 = 14700 Pa
Now they tell us that the maxi maque pressure supports the snow is 3 kPa = 3000 Pa, the way to decrease the pressure is to increase the area on which force is applied.
P2 = F / A2
In this case we will calculate the minimum area, so we use the maximum pressure that supports the snow (P2 = 3000 Pa) and the force remains the weight of man
A2 = F / P2
A2= mg / P2
A2 = 75 9.8 / 3000
A2 = 0.245 m²
Answer:
D
Explanation:
It is important that we have two variables, Independent
and Dependant Variable.
Answer:
Answer
Explanation:
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Answer:
(i) by carrying an extra load may increase your weight.
(ii) the height of the stairs also which is the distance you climb through.
Explanation:
Since,
Power= work done/time
work done = force * distance.
*weight is a force.
*the height of the stairs is the distance.
the time depends inversely on the power which means that when the time spent is high the power is reduced. And in this case, we're trying to increase the power.
