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frez [133]
3 years ago
7

According to the law of conservation of mass does the total number of atoms change during aerobic respiration

Physics
1 answer:
vichka [17]3 years ago
3 0
NO. although the arrangement of the atoms will change, the total number stays constant.
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A machine can never be 100% efficient because some work is always lost due to what?
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The net horizontal force on a car is 981 N. The car has a mass of 1550 kg and the force is applied when the car has a speed of 2
viktelen [127]

Answer:

Distance, d = 778.05 m                          

Explanation:

Given that,

Force acting on the car, F = 981 N

Mass of the car, m = 1550 kg

Initial speed of the car, v = 25 mi/h = 11.17 m/s

We need to find the distance covered by car if the force continues to be applied to the car. Firstly, lets find the acceleration of the car:

F=ma\\\\a=\dfrac{F}{m}\\\\a=\dfrac{981}{1550}\\\\a=0.632\ m/s^2

Let d is the distance covered by car. Using second equation of motion as :

d=ut+\dfrac{1}{2}at^2\\\\d=11.17\times 35+\dfrac{1}{2}\times 0.632\times (35)^2\\\\d=778.05\ m

So, the car will cover a distance of 778.05 meters.

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Which energy transformation converts energy from the sun’s core to light energy needed by plants?
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when an object is moving there is always a force pulling it in the direction of its motion?true or false? explain
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This is false because an object can also be pushed by force and isn't always have to be pulled by a force.
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