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2 years ago

What is the formula of the compound formed when Beryllium reacts with the sulfate ion?

Physics

1 answer:

S_A_V [24]2 years ago

4 0

Answer:

the formula of the compound formed when Beryllium reacts with the sulfate ion is BeSO4

Explanation:

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When a wave enters a medium at an angle, leading to a change in the wave, this is an example of what phenomenon?

polet [3.4K]

This is an example of refraction.

i hope this helps

5 0

3 years ago

Each of 100 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first bl

o-na [289]

Answer:

The tension in the string connecting block 50 to block 51 is 50 N.

Explanation:

Given that,

Number of block = 100

Force = 100 N

let m be the mass of each block.

We need to calculate the net force acting on the 100th block

Using second law of newton

$F=ma$

$100=100m\times a$

$ma=1\ N$

We need to calculate the tension in the string between blocks 99 and 100

Using formula of force

$F_{100-99}=ma$

$F_{100-99}=1$

We need to calculate the total number of masses attached to the string

Using formula for mass

$m'=(100-50)m$

$m'=50m$

We need to calculate the tension in the string connecting block 50 to block 51

Using formula of tension

$F_{50}=m'a$

Put the value into the formula

$F_{50}=50m\times a$

$F_{50}=50\times1$

$F_{50}=50\ N$

Hence, The tension in the string connecting block 50 to block 51 is 50 N.

8 0

3 years ago

1) For a positive point charge, the lines radiate ………. . While, for a negative point charge, the lines converge …………. .

ch4aika [34]

Answer:

For a positive point charge, the lines radiate <u>outwards</u>, while for a negative point charge, the lines converge<u> inwards.</u>

Explanation:

A single point charges produces an electric field which has a radial shape.The sign of a charge determines the the direction of the field. In Positive charge have the direction of field is out of the charge and for negative charge, the direction of field is towards the charge.This behavior is in relation to how a positive test charge will experience in a field.

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3 years ago

Define linear expansivity

lidiya [134]

Linear expansivity is a type of thermal expansion. It is described by a fraction that represents the fractional increase in length of a thin beam of a material exposed to a temperature increase of one degree Celsius. ... Linear expansivity is used in many real world applications.

8 0

3 years ago

Read 2 more answers

1. Place these unknown pH test papers in order from most acidic to most alkaline.

Naddika [18.5K]

Answer: B

Explanation: look at the chart, easy

7 0

3 years ago