Answer:
Explanation:
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A measurement of a change in distance over time
1 answer:
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Complete Question
A football coach walks 18 meters westward, then 12 meters eastward, then 28 meters westward, and finally 14 meters eastward.
a
From this motion what is the distance covered
b
What is the magnitude and direction of the displacement
Answer:
a
b
Magnitude
Direction
West
Explanation:
From the question we are told that
The first distance covered westward is
=>
=>
For the second question eastward is in the direction of the positive x-axis so it would be positive and westward is in the direction of the negative x-axis so it would be negative
The magnitude of the displacement is
=>
=>
The direction is west
Answer:
Explanation:
It is given that,
Voltage of the battery, V = 1.5 V
Internal resistance of battery 1,
Internal resistance of battery 2,
Current flowing in the lamp,
Total internal resistance of tow batteries,
Let R is the resistance of the bulb. Let V is the total emf of the circuit. It is given by :
So, the resistance of the bulb is 4.54 ohms. Hence, this is the required solution.