John bounces a ball off the ground, and it leaves the ground with a velocity of 10 m/s. How long will it take the ball to reach
maximum height?
2 answers:
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Explanation:
Given that,
Two resistors of resistance 6 ohm and 3 ohm are connected in series and then in parallel.
For series combination,
For parallel combination,
When 6 ohm and 3 ohm are in series,
When 6 ohm and 3 ohm are in paralle,
So, the equivalent resistance in series combination is 9 ohms and in parallel combination it is 2 ohms.
Answer:
84.82N/C.
Explanation:
The x-components of the electric field cancel; therefore, we only care about the y-components.
The y-component of the differential electric field at the center is
.
Now, let us call the charge per unit length, then we know that
;
therefore,
Integrating
Now, we know that
and the radius of the semicircle is
therefore,
The momentum of ball is given by:
Since both have the same momentum, we have:
Number 3
If you notice any mistake in my english, please let me know, because i am not native.
Since both have the same momentum, we have:
Number 3
If you notice any mistake in my english, please let me know, because i am not native.