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Olegator [25]
3 years ago
15

Jana is observing a young autistic boy in a preschool classroom. Her job is to note each time the boy gets up from his chair wit

hout being told to do so. Jana's method of noting this behavior is known as :
Shorthand
Tallying
Open coding
Reporting
Physics
1 answer:
svp [43]3 years ago
3 0
The answer is tallying
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A child sleds down a hill with an acceleration of 2.94 m/s2. If her initial speed is 0.0 m/s and her final speed is 17.5 m/s, ho
hram777 [196]

Answer:

The child will take 5.952 seconds to travel from the top of the hill to the bottom.

Explanation:

Given that the child accelerates uniformly and that both initial (v_{o}) and final speeds (v_{f}), measured in meters per second, and acceleration (a), measured in meters per square second, are known, we proceed to use the following kinematic equation to determine the time taken to travel from the top of the hill to the bottom (t), measured in seconds, is:

t = \frac{v_{f}-v_{o}}{a} (1)

If we know that v_{o} = 0\,\frac{m}{s}, v_{f} = 17.5\,\frac{m}{s} and a = 2.94\,\frac{m}{s^{2}}, then the time taken is:

t = \frac{17.5\,\frac{m}{s}-0\,\frac{m}{s} }{2.94\,\frac{m}{s^{2}} }

t = 5.952\,s

The child will take 5.952 seconds to travel from the top of the hill to the bottom.

8 0
3 years ago
"An object weighing 10.01 grams is placed in a graduated cylinder containing 3.90 mL of water. If the total volume of the object
Alex73 [517]

Answer:

Density of the object = 1.9399g/mL

Explanation:

Mass of object = 10.01g

Volume of water = 3.90mL

Volume of Object + Water = 9.06mL

Therefore, volume of Object = Volume of Object + Water - Volume of Water

= 9.06mL - 3.90mL

= 5.16mL

Density by definition is the mass per unit volume of a substance.

Density of the object = mass/volume

= 10.01/5.16

= 1.9399g/mL or 1.94kg/m3

8 0
3 years ago
Many scientific studies have found that colds are caused by viruses. What is this? *
SOVA2 [1]

Answer:

Analysis

Explanation:

Because you must Analysis each and every cold too find out which virus caused this.

It’s weird because Interpretation and Analysis have the meaning of examination

3 0
2 years ago
Use these options to describe each genotype ​
Sliva [168]
A homozygous dominant
B: homozygous recessive
C: heterozygous
I hope this helps you :)
4 0
3 years ago
which statement below is FALSE? A Gravity acts on any object with mass. B The closer objects are, the stronger the gravitational
GenaCL600 [577]

Answer:

Explanation:

5 0
3 years ago
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