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madam [21]
3 years ago
6

A BMW 1-8 has an advertised rate of acceleration of 6.39 m/s2. Based on the advertised rate of acceleration, what

Physics
1 answer:
I am Lyosha [343]3 years ago
4 0

Answer:

Explanation:

ddddddddd

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A current of 1.8 A delivers 2.5 C of charge. How much time was required? 0.70 s 0.72 s 1.4 s 4.5 s
Natalka [10]

Answer:

1.4 s

Explanation:

Given the following data;

Quantity of charge, Q = 2.5 C

Current = 1.8 A

To find the time required;

Mathematically, the quantity of charge passing through a conductor is given by the formula;

Quantity of charge, Q = current * time

Substituting into the formula, we have;

2.5 = 1.8 * time

Time = 2.5/1.8

Time = 1.4 s

5 0
3 years ago
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What is the charge on an object that has 1.09x10^13 excess electrons?
Nadya [2.5K]

Answer:

-1.74\cdot 10^{-6} C

Explanation:

The electron is the particle that rotates around the nucleus of the atom; it has a negative electric charge equal to :

e=-1.6\cdot 10^{-19}C

which is known as fundamental charge.

For an object containing N excess electrons, the total charge of the object is

Q=Ne

In this problem, the number of excess electrons in the object is:

N=1.09\cdot 10^{13}

Therefore, by plugging it the numbers, we can find the value of Q, the total charge of the object:

Q=(1.09\cdot 10^{13})(-1.6\cdot 10^{-19})=-1.74\cdot 10^{-6} C

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4 years ago
Explain what concave and convex mirrors do to parallel rays directed to their surfaces.​
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Explanation:

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2 years ago
The kinetic molecular theory of gases predicts pressure to increase as the temperature of a gas increases because
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