Consider that when heigt is 35 meters, the velocity is zero. The you can use the formula for free fall with initial velocity zero
Vf = √(2gh) = √(2*9.8m/s^2 * 35m) = √686m^2/s^2 = 26.2 m/s
Assumption: 35 m is the maximum height from the ground, else, if the maximum heigth from the ground is 35 m + 1 m = 36 m, the numbers are:
Vf = √(2*9.8m/s^2*36m) = 26.6 m/s
Answer:
Technician A is correct
Explanation:
The statement "charging system is needed to keep the battery fully charged and recharge the battery after starting" is correct
from technician's B point of view, that the charging system supplies electrical current needs after engine start is incorrect.
In-fact the charging system is dedicated to the battery alone, the electrical needs of the system is gotten from the battery.
Electric field between two parallel plates will be halved as it was before.
What is the electric field between two plates:
The electric field lines of two parallel plates can be represented by straight lines perpendicular to both plates surfaces while carrying arrows that point from +Q plate A toward -Q plate B.
we know that,
The electric field between plates:
E=V / d
where,
V is battery voltage
d is separation distance between plates.
now If the plates are pulled twice as far apart, but are kept connected to the battery,
the separation distance becomes,
d' = 2d
so the new electric field will be:
E' = V / d'
substituting the values,
E' = V / ( 2d )
E' = 1/2 ( V /d )
E' = 1/2 E
hence we can conclude that
Electric field between plates will be halved as it was before.
Learn more about Electric field between plates here:
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Answer:
yes, if water was stronger then the rocks would not sink.
Explanation:
the PACER test (Progressive Aerobic Cardiovascular Endurance Run)
