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ra1l [238]
3 years ago
13

An advantage of the clinical method is that is

Physics
1 answer:
Pavel [41]3 years ago
6 0

Answer:

Little or no control is possible, relationships may be coincidental; cause-and effect relationships cannot be confirmed. Advantages of clinical method: Takes advantage of "natural clinical trials" and allows investigation of rare or unusual problems or events.

Explanation:

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A ball is spun around in circular motion such that it completes 50 rotations in 25 s.
Leokris [45]

Answer:

(A) The period of its rotation is 0.5 s (2) The frequency of its rotation is 2 Hz.

Explanation:

Given that,

a ball is spun around in circular motion such that it completes 50 rotations in 25 s.

(1). Let T be the period of its rotation. It can be calculated as follows :

T=\dfrac{25}{50}\\\\T=0.5\ s

(2). Let f be the frequency of its rotation. It can be defined as the number of rotations per unit time. So,

f=\dfrac{50}{25}\\\\f=2\ Hz

Hence, this is the required solution.

3 0
3 years ago
If 10. joules of work must be done to move 2.0 coulombs of charge from point A to point B in an electric field, the potential di
masya89 [10]
The equation for work (W) done by an electric field is:

W = qΔV

where q is the magnitude of the charge and ΔV is the potential difference. The question gives you W and q, so plug n' play to find ΔV:

10 = 2ΔV
ΔV = 5
8 0
2 years ago
Your moods is approved when you have extra stress hormones in your blood
jenyasd209 [6]
Is this a true or false question?
5 0
3 years ago
1. A 1.5 kg ball moves in a circle that is 0.5 m in radius at a speed of 5.1 m/s.
kolezko [41]

Answer: a= 52.02 m/s²

Fc= 78.03 N

Explanation: Solution attached:

3 0
3 years ago
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Sorry I had the answer but it wont let me type numbers :(.:

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