3 years ago

What is a matrix and reinforcement in the simplest explanation.

1 answer:

3 0

Matrix is an environment or material in which something develops. And reinforcement is a consequence that will strengthen an organism's future behavior.

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A student runs 120 meters in 10 seconds. What is their speed? Question 6 options: 1.2 m/s 1200 m/s 120 m/s 12 m/s

aleksklad [387]

12m/s

Explanation:

Given parameters:

Distance run by student = 120 meters

Time = 10 seconds

Unknown:

Speed = ?

Solution:

Speed is the rate of change of distance with time:

Speed = $\frac{distance}{time}$

Now input the parameters:

Speed = $\frac{120}{10}$ = 12m/s

Learn more:

Speed brainly.com/question/4581270

#learnwithBrainly

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4 years ago

Friction, conduction and induction are three ways of creating a static charge on an object. Which method or methods will produce

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The method that would produce the same charge is conduction only.

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4 years ago

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The function of the eardrum in the middle ear is to

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a train is moving at 4.0 km/h. It accelerates at 60 km/h/s for 0.75 h. What is its speed by the of the 0.75 h

erica [24]

Answer:

49 km/h

Explanation:

60 km/h acceleration for 0.75 hours.

60 × 3/4 = 45 km/h

Take the acceleration and add it to the speed the train was already moving at:

45 + 4 = 49km/h

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3 years ago

A light-rail commuter train speeds up at a rate of 1.65 m/s 2 and takes 19.0 s to reach its top speed. How far down the tracks d

Margarita [4]

Answer:

297.8 m

Explanation:

We are given that

Acceleration= $a=1.65m/s^2$

Time,t=19 s

We have to find the distance covered by the train when it reach its top speed if starting from rest.

Initial speed=u=0

$s=ut+\frac{1}{2}at^2$

Using the formula

$s=0(19)+\frac{1}{2}\times 1.65(19)^2$

$s=297.8 m$

Hence, the train covered 297.8 m when the train go to reach its top speed if starting from rest.

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4 years ago