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2 years ago

Name the following ionic compounds: BeCl2

Physics

1 answer:

tatyana61 [14]2 years ago

4 0

Answer:

Beryllium chloride

Explanation:

I hope this helps!

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A heavy ball with a weight of 150 N is hung from the ceiling of a lecture hall on a 4.1-m-long rope. The ball is pulled to one s

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Answer:

The tension in the rope is 262.88 N

Explanation:

Given:

Weight $W = 150$ N

Length of rope $r = 4.1$ m

Initial speed of ball $v = 5.5 \frac{m}{s}$

For finding the tension in the rope,

First find the mass of rod,

$mg = 150$ ( $g = 9.8 \frac{m}{s^{2} }$ )

$m = \frac{150}{9.8}$

$m = 15.3$ kg

Tension in the rope is,

$T = mg + \frac{mv^{2} }{r}$

$T = 150 + \frac{15.3 \times (5.5)^{2} }{4.1}$

$T = 262.88$ N

Therefore, the tension in the rope is 262.88 N

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kirill115 [55]

Answer:

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3 years ago

Diagram shows the velocity time graph for a particle moving in 16 seconds.

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Answer:

The detailed calculations are shown below;

Explanation:

a)The maximum acceleration of the particle:

It is seen that the maximum change in velocity is at the time between 8s to 10s.

Maximum acceleration: $\frac{V}{t}$

= $\frac{20}{2}$

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b) The deceleration of the particle

The velocity of particle is decreased after 10s so,

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= - 6.67 m/ $s^{2}$

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= $\frac{290}{16}$

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2 years ago

Name the following ionic compounds: BeCl2​

Name the following ionic compounds: BeCl2