Light cells?
If you are referring to solar panels, these convert light energy into electrical energy. They do so by gen<span>erating “DC” (Direct Current) electricity from the light.This electricity is fed into a solar inverter that converts into “AC” (Alternating Current) electricity.<span>The AC electricity is used to power appliances in your home.</span></span>
Answer:
2.1m/s towards your grandmother's house
Explanation:
Given parameters:
Time taken = 204s
Distance = 430m
Unknown:
Velocity = ?
Solution:
The velocity is determined by:
Velocity =
Velocity = = 2.1m/s towards your grandmother's house
Answer:
Explanation:
Option a is correct
If puck and pick constitute a system then the momentum of the system is conserved but not this may not be valid for the puck .
Option e is correct
If puck and pick is the system then momentum is conserved but because of the presence of friction, mechanical energy is not conserved.
Friction will cause the energy to dissipate in heat.
At the top, the roller coaster has a very large amount of potential energy. This amount of potential energy is present because the roller coaster is at a elevated place with respect to the ground. While the roller coaster goes down some of the potential energy is lost depending on the change in height and is converted to other energy. As the roller coaster is losing the potential energy, it gains some kinetic energy since this type of energy is dependent on the speed of the object moving and the mass. Therefore the answer i believe is where potential energy is converted to kinetic energy.
Energy is the ability to do work while work is the change in energy. Kinetic energy is moving energy, or the energy possessed by an object in motion. Potential energy is the energy Possessed by an object during rest.
Hope this helps.