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3 years ago

Correct formula of Na(No3)2

Physics

1 answer:

ehidna [41]3 years ago

4 0

Answer:

NaNO3.

Explanation:

The Na ion has one positive charge and the NO3 ion has one negative charge so the correct formula is NaNO3.

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If each side is 0.1 feet extra,
The volume will be 5.1*2.1*1.1= about 11.781.
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3 years ago

Assume you push a 20 kg child in a little red wagon with a force of 100 N. However, the dirt and rocks below the wheels

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3 years ago

A roller coaster speeds up with constant acceleration for 2.3 s until it reaches a velocity of 35 m/s. During this time, the rol

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The initial velocity is 0.65 m/s

Explanation:

The motion of the roller coaster is a uniformly accelerated motion, so we can solve the problem by using the following suvat equation:

$s=(\frac{u+v}{2})t$

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For the roller coaster in this problem:

v = 35 m/s

t = 2.3 s

s = 41 m

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3 years ago

A 53.0-kg skater is traveling due east at a speed of 2.90 m/s. A 72.0-kg skater is moving due south at a speed of 6.20 m/s. They

soldier1979 [14.2K]

Answer:

a. $\thta=71^{\circ}$

b. $v_f=3.78 m/s$

Explanation:

We are given that

$m_1=53 kg$

$v_1=2.9 m/s$

$m_2= 72 kg$

$v_2=6.2 m/s$

a.We have to find the angle

$\theta=tan^{-1}{\frac{m_2v_2}{m_1v_1}=\frac{72(6.2)}{53(2.9)}=71^{\circ}$

$\theta=71^{\circ}$

b. We have to find the speed $v_f$

According to law of conservation of momentum

$m_1v_1=(m_1+m_2)v_fcos\theta$

$53(2.9)=(53+72)v_fcos 71^{\circ}=40.7 v_f$

$v_f=\frac{153.7}{40.7}=3.78 m/s$

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3 years ago

If a particle undergoes shm with amplitude 0.21 m, what is the total distance it travels in one period?

Ymorist [56]

If a particle undergoes simple harmonic motion with an amplitude of 0.21 meters, this means that the maximum displacement of the particle from its resting position is 0.21. For one period, it traveled from its starting position which is twice the amplitude and then back to its original position which is another distance that is twice the amplitude as well. Therefore, the total distance it traveled is 2*amplitude + 2*amplitude = 2*0.21 + 2*0.21 = 0.42 + 0.42 = 0.84 meters.

7 0

3 years ago

Correct formula of Na(No3)2​

Correct formula of Na(No3)2