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tiny-mole [99]
4 years ago
13

Explain why the mass and weight should not be used interchangeably?

Physics
1 answer:
Sauron [17]4 years ago
4 0
Mass is a property of an object, a cloud of gas, a puddle of liquid, or a lump of goo, and doesn't necessarily change when the object moves to a different location or environment.  It depends only on the object itself.

Weight is completely a product of what else is in the nearby location,so it can easily change.  It's the result of the gravitational forces between <em>two</em> objects . . . the first one with the constant mass, and <em>another one</em> that also has mass.  The forces between them, and therefore the weight, depend on <u>both</u> masses, AND on the distance between them.

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3 years ago
A girl picks up a bag of apples that are at rest on the floor. How dose the force the girl applies compare to the force of gravi
AysviL [449]

Answer:

When the bag of apples are on the floor, the force of gravity is equal to the force applied in the upward direction.

But when the girl picks up the bag of apples, she applies a force on the bag of apples in the upward direction greater than that of the gravitational force.

Explanation:

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If the ice absorbed 350,000 joules in 5 minutes, then it absorbed energy
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4 years ago
At what height h above the ground does the projectile have a speed of 0.5v?
maw [93]

Answer:

h=\dfrac{3v^2}{8g}

Explanation:

It is given that,

Speed of the projectile is 0.5 v. Let h is the height above the ground. Using the first equation of motion to find it.

v=u+at

v=u-gt

Initial speed of the projectile is v and final speed is 0.5 v.

0.5v=v-gt

t=\dfrac{v}{2g}

g is the acceleration due to gravity

Let h is the height above the ground. Using the second equation of motion as :

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So, the height of the projectile above the ground is \dfrac{3v^2}{8g}. Hence, this is the required solution.

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