a car takes 1 hour to travel 100 km along a main road and the half hour to travel 20 km along a side road what is its average sp
1 answer:
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Answer:
Explanation:
Electric field due to a charge Q at a point d distance away is given by the expression
E = k Q / d , k is a constant equal to 9 x 10⁹
Field due to charge = 3 X 10⁻⁹ C
E = E =
Field due to charge = 4 X 10⁻⁹ C
These two fields will be equal and opposite to make net field zero
=
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d = 0.928
Answer: acceleration:
velocity:
Explanation:
The complete question is written bellow:
<em>A cat is moving at 18 m/s when it accelerates at </em><em> for 2 seconds. What is his new velocity? </em>
<em />
In this situation the following equation will be useful:
Where:
is the cat’s final velocity (new velocity)
is the cat’s initial velocity
is the cat's acceleration
is the time
Solving the equation:
This is the cat's new velocity