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Sholpan [36]
3 years ago
8

An object has a weight of 500 on earth what is the mass of this object

Physics
1 answer:
erastova [34]3 years ago
7 0

550! OBVY! lol! ope this helps1

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Cold air holds less water than warm air.<br> True<br> False
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A 250 g object is hung onto a spring. It stretches 18 cm. Find the spring's spring constant
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Hooke's law establishes that the elongation of a spring is directly proportional to the modulus of the force F applied to it, <u>as long as the spring is not permanently deformed</u>:

F=k (x-x_{o})    (1)

Where:

k is the elastic constant of the spring. The higher its value, the more work it will cost to stretch the spring.

x_{o} is the length of the spring without applying force.

x is the length of the spring with the force applied.

According to this, we have a spring where only the force due gravity is applied.

In other words, the force applied is the weigth W of the block:

W=m.g   (2)

Where m=250g=0.25kg is the mass of the block and g=9.8\frac{m}{s^{2}}  is the gravity acceleration.

W=(0.25kg)(9.8\frac{m}{s^{2}})   (3)

W=2.45N   (4)

Knowing the force applied W and x=18cm=0.18m and x_{o}=0, we can substitute the values in equation (1) and find k:

W=k (x-x_{o})    (5)

2.45N=k (0.18m-0m)    (6)

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3 years ago
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Answer:

Amy's speed is 2/3 faster than Bill's

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can't believe you don't know how to do this.

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