Answer:
Every option provided is accurate
Explanation:
The electrical power dissipated by a single resistor linked to a battery can be expressed as:
where
V signifies the voltage
I denotes the current
R represents the resistance
Now, let's evaluate each scenario:
A) When the voltage is doubled (V'=2V) while the current is halved (I'=I/2), the resulting power dissipation turns out to be:
--> the power remains the same
B) When the voltage is increased to double (V'=2V) and the resistance quadruples (R'=4R), the new power dissipation becomes:
--> the power is unchanged
C) If the current is doubled (I'=2I) while the resistance diminishes to one-fourth (R'=R/4), the new power dissipation is:
--> the power is unchanged
Answer:
Δx=(v+v0/2)t
Explanation:
We can determine which kinematic equation to apply by selecting the one that encompasses the known variables as well as the unknown we aim to solve for.
In this scenario, the unknown we wish to determine is the initial velocity v_0v
0
v, start subscript, 0, end subscript of the roller coaster.
<span>At ground level, the gravitational potential energy of any object is zero. To calculate potential energy, you multiply the object's height in meters by its mass in kilograms and the acceleration due to gravity to arrive at Joules.
Any object at ground level will have a potential energy totaling zero newtons since anything times zero equals zero. A mass of 54 kg situated 4 meters above ground possesses a gravitational potential energy of 2116.8 Joules.</span>
