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3 years ago

8

La _______________ abarca de los dos a los doce años. Se caracteriza por un continuo proceso de adaptación motora, cognoscitiva,

emotiva y social del niño en el ambiente en el que vive.

1 answer:

Anna11 [10]3 years ago

5 0

Answer:

please do well to ask questions in English. This will help people provide you answers ASAP. Thank you

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Two pulses are moving along a string one pulse is moving to the right and the second is moving to the left. Both pulses reach po

MatroZZZ [7]

Answer:

Constructive interference

Explanation:

- This is an example of a standing wave produced when two ends of a string are oscillated in the same plane. The displacement of of point on two ends oscillates vertically.

- We are given that two pulses move along the string each coming towards each other and meet at a common point ( P ).

- Each pulse have their own magnitude or displacement in the vertical plane. If the pulses are to meet at a common point at the same instant, then they interfere with each other constructively.

- Where constructive interference of two pulses is the addition of magnitudes of induvidual pulses and form a single puls of the constructed magnitude.

magnitude ( New pulse ) = magnitude (Pulse 1) + magnitude (Pulse 2)

6 0

2 years ago

Read 2 more answers

Communicate is 25 a multiple of 2 or 5 ? how do you know?

PIT_PIT [208]

It's a multiple of 5 because you can't multiply anything by 2 and get 25

6 0

3 years ago

"In the far future, a visiting tourist from another planetary system asks to see the most massive object in our solar system. Wh

Andrei [34K]

Answer:

Obviously Our Yellow Star: The Sun....

Explanation:

With a staggering mass of 1.989 × 10^30 kg as well as a gravitation pull of about 274 ms^-1. I think, no other object in our solar system at least have those properties. Not to mention Sun makes <em>99.86% of our solar system </em>combined.

7 0

2 years ago

I understand what makes a kettle so efficient, but what are some improvements you can make to a kettle to increase it’s energy e

shusha [124]

Answer:

Reheat the cold cup of tea or coffee in the microwave. ...

Make iced tea or coffee with what's left. ...

Use a thermos for either tea or coffee.

3 0

2 years ago

Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the driver is that the load may slid

Tanzania [10]

A) 18.4 m

B)

a) mass of the load

b) mass of the truck

Explanation:

A)

In order for the oad not to slide, its acceleration must be the same as the acceleration of the truck.

Since there is only one force acting on the load (the force of static friction), the acceleration of the load will be equal to the force of friction divided by the mass of the load (Newton's second law of motion):

$a=\frac{F_f}{m}=\frac{-\mu mg}{m}=-\mu g$ (1)

where

m is the mass of the load

$\mu=0.400$ is the coefficient of static friction

$g=9.8 m/s^2$ is the acceleration due to gravity

The acceleration of the truck (and the load) is also related to the stopping distance of the truck by the suvat equation:

$v^2-u^2=2as$ (2)

where

v = 0 is the final velocity of the car

u = 12.0 m/s is the initial velocity

a is the acceleration

s is the stopping distance

Since the acceleration must be the same, we can substitute (1) into (2), and solving for s we find:

$v^2-u^2=-2\mu g s\\s=\frac{v^2-u^2}{-2\mu g}=\frac{0^2-12.0^2}{-2(0.400)(9.8)}=18.4 m$

B)

From part A, we see that the data that we have not used in the calculation are:

- The mass of the load

- The mass of the truck

Therefore, the two pieces of data unnecessary for the solution are

a) mass of the load

b) mass of the truck

8 0

3 years ago