Answer:
a) Pi = 3200 w
b) Pe = 640 w
Explanation:
Solar radiation is 800 w/m²
a) Area of solar panel is 4 m²
Then Power Incident is:
Pi = Solar radiation x Area of solar panel array , then
Pi = 800 w/m² * 4 m²
Pi = 3200 w or Pi = 3.2 Kw
b) Solar panels efficiency is 20%
Electricity production: Pe
Pe = Pi * η where η is efficiency η = 20 % η = 0,2
Pe = 3200 w * 0,2
Pe = 640 w or Pe = 0,640 Kw
Another common household items is AA Alkaline batteries , I found these weigh approx 23 gram of them would have a mass of around 500 +/-5%. Never or unused , same mass
Ocean Currents is the factor that determines the air temperature in coastal regions having same latitude.
<u>Explanation:</u>
There are factors that use to determine air temperature. They are latitude, altitude, region, water current, etc and it is based on the combination of water, air, and land.
If two coastal regions situated in the same latitude means they are not in the same region. Another city can be in the same latitude but in longitude. All the coastal regions don't have the same air temperature.
The air temperature in coastal regions can measured by the Ocean Current. A hypothesis of using cold water and warm water use to determine the air temperature.
Convection currents are driven by the buoyancy
that results from density differences.
Answer:
Final speed of both the cars, V = 3.28 km/h
Explanation:
It is given that,
Mass of the railway car,
Initial speed of the railway car,
Mass of another car,
Initial speed of another car,
To find,
The speed of the coupled cars after the collision.
Solution,
It is a case of inelastic collision in which the linear momentum before and after the collision remains same. Let V is the coupled velocity of both of the cars. So,
V = 1.011 m/s
or
V = 3.28 km/h
So, the speed of the coupled cars after the collision is 3.28 km/h. Hence, this is the required solution.