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Alexeev081 [22]
3 years ago
12

How many minutes in a century?

Physics
2 answers:
den301095 [7]3 years ago
5 0
About equalivent to 52.6 million
Nutka1998 [239]3 years ago
3 0

Answer:

52,596,000

Explanation:

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Convert 4 centimeters to meters using dimensional analysis and scientific notation. Please go step by step as I am having diffic
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Answer:

4 cm = 0.04 m

Explanation:

1 m = 100 cm

4 cm = 4 / 100

4 cm = 0.04 m

7 0
3 years ago
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Assume that the pendulum of a grandfather clock acts as one of Planck's
snow_lady [41]

Answer:

a

Explanation:

77 - 6 + 25 \div 35 \times 100

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2 years ago
A constant electric field of magnitude E = 148 V/m points in the positive x-direction. How much work (in J) does it take to move
DochEvi [55]

Answer:

W=-2.1405\times 10^9\,J

Explanation:

Given:

electric field, E=148\,V.m^{-1}

charge, Q=-13\,\mu C=-13\times 10^{-6}\,C

initial position coordinates, p1 =(-18,-131)

final position coordinates,   p2 =(107,76)

We find the distance through which the charge has been moved:

d=\sqrt{(x1-x2)^2+(y1-y2)^2}

Where we have (x1,y1) & (x2,y2) as the initial and final coordinates of the points.

d=\sqrt{(107-(-81))^2+(76-(-131))^2}

d= 279.63\,m

Now we need the angle through which displacement is made with respect to the direction of electric field.

tan\,\theta= \frac{y2-y1}{x2-x1}

\theta= tan^{-1}[\frac{76-(-131)}{107-(-81)} ]

\theta= 47.75^{\circ}

Now from the relation between the change in potential difference:

\Delta V= E.d.cos\,\theta

\Delta V= 148\times 279.63\times cos\,47.75^{\circ}

\Delta V= 27826.06 V

∵The change in voltage is defined as the work done per unit charge.

∴\Delta V=\frac{W}{Q}

W=\frac{\Delta V}{Q}

Putting the respective values

W=\frac{27826.06 }{-13\times 10^{-6}}

W=-2.1405\times 10^9\,J

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3 years ago
What is the magnitude of the force that lifts a 3-kilogram object straight upwards?
frez [133]

Any force of 29.4 Newtons or greater can do it.

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If you are driving 95 km/h along a straight road and you look to the side for 2.0s, how far do you travel during this inattentiv
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95km/h
95km/60*60sec
(95/(60*30))km/2sec
0.05277km
3 0
3 years ago
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