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Tamiku [17]
3 years ago
7

What is the public storm warning signal that carries winds of 30 to 60 km/hr and can cause no damage to very light damage

Physics
1 answer:
Shkiper50 [21]3 years ago
7 0

Answer:

I know u need this

Explanation:

You gave me the runaround

I really hate the runaround

You really got me paranoid

I always keep a gun around

You always give me butterflies

When you come around

When you come around

When you come around

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A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.79 g coins stacked over the 28.8 cm mark, th
masha68 [24]

To solve the exercise, the key concept to be addressed is the Mass Center.

The center of mass of an object is measured as,

X_{cm} = \frac{\sum m_ix_i}{\sum m_i}

X_{cm} = \frac{m_1x_1+m_2x_2+m_3x_3}{m_1+m_2+m_3}

Our values are given by,

x_1 = 50cm

m_1 = ?

x_2 =28.8cm

m_2 = 4.79g

x_3 = 28.8cm

m_3 = 4.79g

X_{cm} = 38.4cm

Replacing the values in our previous equation we have,

X_{cm} = \frac{m_1x_1+m_2x_2+m_3x_3}{m_1+m_2+m_3}

38.4 = \frac{m_1(50)+2(28.8*4.79)}{m_1+2*4.79}

38.4(m_1+2*4.79)= m_1(50)+2(28.8*4.79)

38.4m_1 +367.872 = 50m_1+275.904

11.6m_1 = 91.968

m_1 = 7.928g

Therefore the mass of the meter stick is 7.928g

7 0
3 years ago
What force is required to accelerate a 385 kg couch at 0.2 m/s^2 ?
Juliette [100K]

Answer:

It takes 77 N

Explanation:

Using Newton's second law of motion, F=ma (Force equals mass times acceleration. Since the mass of the couch is 385 kg and the target acceleration is 0.2 m/s, you simply multiply mass times acceleration (ma) to get the total force, or 77 N.

6 0
3 years ago
Object A and object B are 10 m apart. Which of the following will cause the greatest increase in gravitational force between the
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<span>4)Increase the mass of both object A and object B. </span>
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4 years ago
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What is a substance that when mixed with water turns blue litmus paper red
alekssr [168]
When blue litmus paper is dipped in acid the paper turns red.

hope this helps :)


5 0
3 years ago
A student pressing two flat pieces of clay together, causing the clay to rise up at the boundary
Nat2105 [25]

Answer:

the student is modeling a convergent plate boundary. The image shows the plates colliding to form a mountain-like structure

Explanation:

My cousin took the exam

8 0
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