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3 years ago

What are some reflexes in newborns and infants from 0 to 2 y/o?

Physics

1 answer:

puteri [66]3 years ago

5 0

Answer:

Explanation:

eating foods that you don't like your reflexes are to make a face or spit it out

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What is the kinetic energy of a 4-kg toy car moving at a velocity of 8 m/s?

NISA [10]

Answer:

Explanation:

The kinetic energy of an object can be found by using the formula

$k = \frac{1}{2} m {v}^{2} \\$

m is the mass

v is the velocity

From the question we have

$k = \frac{1}{2} \times 4 \times {8}^{2} \\ = 2 \times 64$

We have the final answer as

Hope this helps you

7 0

3 years ago

Read 2 more answers

A ball is pushed down a hill so that it starts with a velocity of 2.0 m/s. It accelerates at a rate of 0.50 m/s2 for the length

Delicious77 [7]

Answer:

3.7 m/s

Explanation:

Given:

Δx = 10.0 m

v₀ = 2.0 m/s

a = 0.50 m/s²

Find: v

v² = v₀² + 2aΔx

v² = (2.0 m/s)² + 2 (0.50 m/s²) (10.0 m)

v = 3.7 m/s

7 0

3 years ago

One might be tempted to say that exothermic processes are always spontaneous since the system is emitting energy (heat) in order

Crank

Answer : This reaction occur spontaneously at temperature above in kelvins is, 340 K

Explanation : Given,

$\Delta H$ = 17 KJ/mole = 17000 J/mole

$\Delta S$ = 50 J/mole.K

Gibbs–Helmholtz equation is :

$\Delta G=\Delta H-T\Delta S$

As per question the reaction is spontaneous that means the value of $\Delta G$ is negative or we can say that the value of $\Delta G$ is less than zero.

$\Delta G$

The above expression will be:

$0>\Delta H-T\Delta S$

$T\Delta S>\Delta H$

$T>\frac{\Delta H}{\Delta S}$

Now put all the given values in this expression, we get :

$T>\frac{17000J/mole}{50J/mole.K}$

$T>340K$

Therefore, this reaction occur spontaneously at temperature above in kelvins is, 340 K

7 0

3 years ago

A shopping mall is putting up lights for the holidays. When they plug the holiday lights in they do not light up.

mash [69]

Answer:

Explanation:

Remark

Anybody who has dealt with Christmas Tree lights knows what can be done. You must take a bulb you know to be good and try each bulb in turn until the whole string lights up. If two bulbs are dead, give up and go buy another string. Two bulbs create a lot of combinations.

The circuit is a series circuit.

3 0

2 years ago

Headlights must be activated during times of darkness and when visibility is limited to what ?

garik1379 [7]

Research says that if you have less than 1000 feet of visibility

7 0

3 years ago