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Vlada [557]
2 years ago
11

HELP WILL GIVE BRAINLEST!!

Physics
1 answer:
andreyandreev [35.5K]2 years ago
8 0

Answer:

y hu

Explanation:

What are the 5 Stages of Child Development?

Newborn (0-3 months)

Infant (3-12 months)

Toddler (1-3 years)

Preschool age (3-4 years)

School age (4-5 years).

.

<h3>.Ages and Stages is a term used to outline significant periods in the human development timeline. During each stage, growth and development occur in the primary developmental domains, including physical, intellectual, language and social-emotional.</h3>
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Ms. Mayo challenged her students to build a pendulum that would hit a block of wood and make it travel the farthest distance. Th
cestrela7 [59]

Answer:

<u>B) mass of pendulum bob</u>

4 0
2 years ago
1) Andrea and Chuck are riding on a merry-go-round. Andrea rides on a horse at the outer rim of the circular platform, twice as
telo118 [61]

Explanation:

The tangential speed of Andrea is given by :

v=r\omega

Where

r is radius of the circular path

ω is angular speed

The merry-go-round is rotating at a constant angular speed. Let the new distance from the center of the circular platform is r'

r' = 2r

New angular speed,

v'=r'\omega'\\\\v'=(2r)\omega\\\\v'=2r\omega\\\\v'=2v

New angular speed is twice that of the Chuck's speed.

8 0
3 years ago
According to the evolutionary perspective of mate selection, why do men and women exhibit different preferences in mate selectio
Alla [95]

C. Each gender has differing attraction cues and priorities.

<h3>Why do men and women exhibit different preferences in mate selection?</h3>

Men and women exhibit different preferences in mate selection because both have different attraction cues and priorities for their partner. These cues and priorities leads to difference in preference of life partner.

So we can conclude that Each gender has differing attraction cues and priorities.

Learn more about mate here: brainly.com/question/25261401

#SPJ1

6 0
2 years ago
A camper walks away from camp. He walks 23.72m north, then 39.25m south and
Arte-miy333 [17]

Answer:

89.53    North

Explanation:

Total N-S displacement

   23.72  -  39.25 + 105.06   =  + 89.53

5 0
1 year ago
A 20 kg crate initially at rest on a horizontal floor requires a 80 N horizontal force to set it in motion. Find the coefficient
e-lub [12.9K]

Answer:

<em>The coefficient of static friction between the crate and the floor is 0.41</em>

Explanation:

<u>Friction Force</u>

When an object is moving and encounters friction in the air or rough surfaces, it loses acceleration and velocity because the friction force opposes motion.

The friction force when an object is moving on a horizontal surface is calculated by:

Fr=\mu N          [1]

Where \mu is the coefficient of static or kinetics friction and N is the normal force.

If no forces other then the weight and the normal are acting upon the y-direction, then the weight and the normal are equal in magnitude:

N = W = m.g

The crate of m=20 Kg has a weight of:

W = 20*9.8

W = 196 N

The normal force is also N=196 N

We can find the coefficient of static friction by solving [1] for \mu:

\displaystyle \mu=\frac{Fr}{N}

The friction force is equal to the minimum force required to start moving the object on the floor, thus Fr=80 N and:

\displaystyle \mu=\frac{80}{196}

\mu=0.41

The coefficient of static friction between the crate and the floor is 0.41

7 0
3 years ago
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