Answer:
The neutral wire and the ground wire.
Explanation:
The black wire is the hot wire
The neutral wire provides the return path for the current provided by the hot wire.
The ground wire is connected to any metal parts in an appliance for example microwave.
A standard electrical outlet has three wires connected to it: the hot, the neutral, and the ground. There is no potential difference between the neutral wire and the ground wire.
Answer:
Car A has a velocity of 40 km/hr west.
Explanation:
The velocity of an object is a vector quantity. It has both magnitudes as well as direction.
Arrows are used to show direction.
Car A is moving towards west. Car B is moving towards east-south direction. Car C is moving towards South direction. Car E is moving towards North direction.
So, the correct option is (a) i.e. Car A has a velocity of 40 km/hr west.
Answer:
Explanation:
Given:
volume of urine discharged,
time taken for the discharge,
diameter of cylindrical urethra,
length of cylindrical urethra,
density of urine,
a)
we have volume flow rate Q:
&
where:
cross-sectional area of urethra
velocity of flow
b)
The pressure required when the fluid is released at the same height as the bladder and that the fluid is at rest in the bladder:
Mars landscape reminds me of the deserts of California. Mars remained deserted because life and photosynthesis doesn’t exist yet in Mars. It just have steep mountains/hills, and rocks. Since Mars has no soil, the material is called regolith.