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3 years ago

7

Toddlers are extremely active, naturally curious, and very top heavy making them prone to falls. The disproportionately large he

ad and small legs common to 2-3 year-olds is due to which pattern of growth?

1 answer:

Serhud [2]3 years ago

6 0

Answer:

No

Explanation:

no

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) A coin is tossed 13 times. a) How many different outcomes are possible? 2^8 b) How many different outcomes have exactly 4 head

Svetradugi [14.3K]

Answer:

Explanation:

a) A coin has two sides, therefore the total outcome possible when a coin is tossed is 2 i.e Head (H) and Tail (T)

outcome of two coins will be 4 i.e 2^2

Outcome of three coins will be 8 i.e 2^3 and so on. Since its following a trend, the outcome when 'n' coins is tossed will be 2^n.

Using the general formula, the possible outcome when a coin is tossed 13 times will be "2^13"

b)

3 0

2 years ago

Light is an oscillating magnetic field alone. an oscillating electric field alone. electric and magnetic fields that oscillate p

cupoosta [38]

Explanation:

As light is an electromagnetic wave that causes sensation of sight.

Every electromagnetic wave has electrical and magnetic components in it which are perpendicular to the direction of propagation of wave.

The electrical and magnetic components are mutually perpendicular to each other in an electromagnetic wave.

The speed of light in vacuum is c=3\times 10^{8}\ m.s^{-1}, which decreases when it passes through a matter (precisely a transparent medium) which allows the passage of light through it. When the light passes through some transparent matter then its speed decreases as compared to the speed of light in vacuum.

7 0

3 years ago

Hold a pencil in front of your eye at a position where its blunt end just blocks out the Moon.

Valentin [98]

Answer:

$D = 3.55 \times 10^6 m$

Explanation:

Light rays coming from moon is blocked by the pencil

so as per figure we know that angle subtended by pencil and angle subtended by moon must be same

so we have

$Angle = \frac{Arc}{Radius}$

so we have

$\frac{D}{3.8 \times 10^8 m} = \frac{0.7 cm}{75 cm}$

so we have

$D = 3.55 \times 10^6 m$

4 0

3 years ago

The Celsius temperature scale is based on which of the following

Lapatulllka [165]

Freezing.................

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3 years ago

Write an equation that expresses the first law of thermodynamics in terms of heat and work.

OleMash [197]

Answer:

Heat Input = Work Output (at 100% efficiency)

ΔQ = ΔW

(you cannot get something for nothing)

3 0

2 years ago