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Fed [463]
4 years ago
7

Suggest and explain a reason why the brake blocks on a bicycle need to be replaced from time to time

Physics
2 answers:
Assoli18 [71]4 years ago
7 0
So that they don't break while your using them and so they work properly and efficiently.
Leokris [45]4 years ago
6 0
In order to show resistance to breakage whilst being used and so they are useable and function efficiently.
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Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of m
monitta

Answer:

1/4F

Explanation:

We already know thatThe electrostatic force is directly proportional to the product of the charge, from Coulomb's law.

So F α Qq

But if it is now half the initial charges, then

F α (1/2)Q *(1/2)q

F α (1/4)Qq

Thus the resultant charges are each halved is (1/4) and the first initial force experienced at full charge.

Thus the answer will be 1/4F

3 0
3 years ago
Jupiter’s strength of gravity is greater than Earth’s strength of gravity. A person’s will be the same on Jupiter and Earth. A p
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A person's weight will be greater on Jupiter than on earth
8 0
4 years ago
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How do you measure force
snow_lady [41]
Force = mass x acceleration

It is measured in Newtons or kg*meters/sec^2
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4 years ago
Is the image formed on the retina real or virtual
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It is real, however it gets inverted in the retina and flips back in the cornea
8 0
3 years ago
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What is the length of a pendulum with a period of 1.75 sec on Venus?
spin [16.1K]
Value of g on Venus=8.87 m/s²
Period of pendulum=1.75 s
Given pendulum,
                                 T=2π√(L/g)
                                 (1.5)=2π√(L/8.87)
                                   L=0.505 m
8 0
3 years ago
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