• 0.4kg • 2.5kg •10kg •250kg Please help
1 answer:
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Answer:
The value is
Explanation:
From the question we are told that
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The rating of the light bulbs is
The number is
The power rating of the total bulb is
The duration of its use everyday is
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The duration of its use everyday is
The power rating of hot water
The duration of its use everyday is
Generally the total electrical energy used in 1 month is mathematically represented as
=>
=>
=>
Generally the monthly electricity bill is mathematically represented as
=>
Speed of the car given initially
v = 18 m/s
deceleration of the car after applying brakes will be
a = 3.35 m/s^2
Reaction time of the driver = 0.200 s
Now when he see the red light distance covered by the till he start pressing the brakes
Now after applying brakes the distance covered by the car before it stops is given by kinematics equation
here
vi = 18 m/s
vf = 0
a = - 3.35
so now we will have
So total distance after which car will stop is
So car will not stop before the intersection as it is at distance 20 m