The power of the laser is

by using the relationship between power, energy and time, we can find the energy delivered by the laser in 1 second:

The frequency of the photons of this light is given by

and the energy of a single photon is

In order to find the number of photons emitted per second, we must divide the total energy emitted by the laser by the energy of a single photon, and we get:
The bulbs will produce lesser light than their capacity, In short they will be dimmer because the the energy will get divided in the number of bulbs.
Answer: 16 μC
Explanation: In order to solve this problem we have to reduce to the equivalent capacitor for the initial conection:
see the attach field to details.
At the highest point of the trajectory the vertical component will have its zero velocity, and the descent caused by the force of gravity will begin.
Since the ball is thrown with a certain speed, the vertical component reaches its highest point (upwards), until returning to the receiver who will receive the ball with the same vertical component but in the opposite direction (downwards).
Therefore the vertical component will have its highest value at launch.