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Gnesinka [82]
3 years ago
6

3) All numbers that are divisible by both 3 and 5 are also divisible by 10. Which of the following numbers can be used to show t

hat the statement above is FALSE? (A) 20 (B) 25 (C) 30 (D) 40 (E) 45
Physics
1 answer:
zlopas [31]3 years ago
8 0

Answer:

answer E

Explanation:

cuz its 45 is divisible by 3 and 5 but not 10

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A flat circular coil having a diameter of 25 cm is to produce a magnetic field at its center of magnitude, 1.0 mT. If the coil h
tresset_1 [31]

Answer:

The current pass through the coil is 6.25 A

Explanation:

Given that,

Diameter = 25 cm

Magnetic field = 1.0 mT

Number of turns = 100

We need to calculate the current

Using the formula of magnetic field

B =\dfrac{\mu_{0}NI}{2\pi r}

I=\dfrac{B\times2\pi r}{\mu N}

Where, N = number of turns

r = radius

I = current

Put the value into the formula

I=\dfrac{1.0\times10^{-3}\times2\pi\times12.5\times10^{-2}}{4\pi\times10^{-7}100}

I=6.25\ A

Hence, The current passes through the coil is 6.25 A

6 0
4 years ago
Which of the following is a nontimber forest product
-BARSIC- [3]
Charcoal~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3 0
3 years ago
A custodian pulls a vacuum 13.5 m
makvit [3.9K]

Answer:

Horizontal component of pull = (cos 55 x 33.9) = 19.4N.

Net horizontal force = (19.4 - 14.2) = 5.2N.

Work = (fd) = (5.2 x 13.5) = 70.2 Joules.

Rounded to 1 decimal place throughout.

Explanation:

3 0
4 years ago
What is the final step in the fourth stage of technological design, after a product has been improved and approved?
Verdich [7]

Answer:

Its not B. So I think its A.

Explanation:

Reporting The Results.

5 0
3 years ago
A car travels in a straight line with an average velocity of 80 km/h for 2.5 h and then with an average velocity of 40 km/h for
maks197457 [2]

Answer:

260 km

65 km/hr

Explanation:

The displacement of an object is the distance moved by that object in a particular direction.

velocity = displacement / time, therefore,

Displacement = velocity * time.

Total displacement for the 4 HR trip = displacement for 2.5 hr + displacement for 1.5 hr

total displacement = (80 * 2.5) + (40 * 1.5)

Total displacement = 200 + 60

Total displacement = 260 Km

average velocity for the total trip = total displacement / total time taken

average velocity = 260 km/ 4 hr

average velocity = 65 km/hr

7 0
4 years ago
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