In electricity, the most famous and basic equation is the Ohm's Law which relates the parameters voltage, current and resistance. One form of this law as written in equation is V = IR, where V is the voltage in volts, I is the current in amperes and R is the resistance in ohms. These parameters depends in the arrangements, whether it's series or parallel.
In a series connection, the voltage is greater across a high-resistance resistor. Therefore, the voltage is much greater for the 20-ohm resistor. However,if it is a parallel circuit, the voltage is just the same for both resistors.
Answer:
-48 N
Explanation:
mass of door (m) = 4 kg
acceleration of the door = 12 m/s^{2}
force exerted by the person = 48 N
From Newton's third law of motion, action and reaction are equal but opposite. Therefore the force exerted on the door by the person which is 48 N will be the same as the force exerted on the person by the door but opposite in its direction, and this would be - 48 N
Answer:
The non-relativistic kinetic energy of a proton is
The relativistic kinetic energy of a proton is
Explanation:
Given that,
Mass of proton
Speed
We need to calculate the kinetic energy for non relativistic
Using formula of kinetic energy
Put the value into the formula
We need to calculate the kinetic energy for relativistic
Using formula of kinetic energy
Hence, The non-relativistic kinetic energy of a proton is
The relativistic kinetic energy of a proton is
I feel like the answer would be B. The chair pushes down on the floor becuase the question says when you sit in a chair, your body exerts a downward force on the chair so it would be pushing downward meaning that the chair would also go down making it push onto the floor.
Answer:
A. 1.6 N/cm
Explanation:
spring constant = 21/13 = 1.6 N/cm