What effect does a doubling of the mass have upon the acceleration of the object
1 answer:
Hello there!
Your question can be answered using the Newton's Secon Law of Motion:
This Law says that the forces on an object are equal to the product of its mass (m) and acceleration (a):
If we clear this equation for acceleration, we'll see that:
So, studying this equation, we'll see that acceleration is inversely proportional to mass, thus, assuming that the force remains constant, doubling the mass will decrease the acceleration of the object by half.
Your question can be answered using the Newton's Secon Law of Motion:
This Law says that the forces on an object are equal to the product of its mass (m) and acceleration (a):
If we clear this equation for acceleration, we'll see that:
So, studying this equation, we'll see that acceleration is inversely proportional to mass, thus, assuming that the force remains constant, doubling the mass will decrease the acceleration of the object by half.
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Answer:
<u>6 bulbs</u> are needed to illuminate the room.
Explanation:
Given:
Measurement of kitchen (A) = 10 ft by 10 ft = 100 sq. ft
Number of footcandles (n) = 50
Lumens emitted by 1 bulb = 834
Number of bulbs (N) = ?
We are also given,
1 foot candle = 1 lumen/sq. ft
So, 50 foot candles = 50 lumens/sq. ft
Now, for an area of 1 sq. ft 50 lumens are emitted.
So, for an area of 100 sq. ft, lumens emitted = 50 × 100 = 5000 lumens
Now, one bulb emits = 834 lumes
Therefore, number of bulbs required for emitting 5000 lumens is given as:
So, 6 bulbs are needed to illuminate the room.