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Nadusha1986 [10]
2 years ago
7

What is (a) the x component and (b) the y component of the net electric field at the square's center

Physics
1 answer:
Sav [38]2 years ago
8 0

Answer:

What is (a) the x component and (b) the y component of the net electric field at the square's center

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When a 4-kg ball is thrown upwards at 40 m/s, at what
arlik [135]

Answer:

the height of the potential energy is 3,200 J

Explanation:

The computation of the kinetic energy is shown below:

Kinetic energy = 1 ÷ 2 × mass × velocity^2

= 1 ÷ 2 × 4 kg × 40 m/s^2

= 3,200 J

Hence the height of the potential energy is 3,200 J

4 0
2 years ago
in positive numbers less than 1, the zeros between the decimal point and a non-zero number are _______ significant?
DedPeter [7]

Answer:

Explanation:

If a number of less than 1, then the number has a decimal point like

0.085, 0.008 e.t.c.

The zeros before the none zero digit are insignificant. The significant figure is 8 and 5.

But if there a zero between the none zero e.g. 0.0087056

Here the zero between 7 and 5 is significant, then the significant numbers are 8,7,0,5,6

But if the zero is not in between the none zero digit, then the zero is insignificant

E.g 0.05800

The last two zero is insignificant, the significant number is 5 and 8

So, If a positive numbers less than 1, the zeros between the decimal point and a non-zero number are NOT significant.

8 0
3 years ago
John and Caroline go out for a walk one day. This graph represents their distance from home.
vivado [14]

Answer:

C) They walked in one direction, then they were still, then they walked in the opposite direction.  

Explanation:

John and Caroline go out for a walk one day. This graph represents their distance from home.c According to the graph they walked with almost same in both the direction.

First they walked in one direction and travel 30 meter in same direction then they were still for some time. Then they walked in the opposite direction for 30 meter. They walked in both the direction with approximately equal speed.

Thus, Option C is correct.

5 0
3 years ago
Read 2 more answers
What is the velocity at 10 seconds? PLEASE HELP!!!!!
Mamont248 [21]
15 explanation: look at the graph
7 0
2 years ago
Read 2 more answers
A highway speed limit is posted as 90 km/hr. Is this average speed or instantaneous speed? Explain your answer.
mr_godi [17]
Answer: instantaneous speed.

Explanation: A highway speed limit posted as 90km/hr would be the instantaneous speed because it’s just the speed for that moment.
5 0
3 years ago
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