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volume is 1/3×22/7×4.2×4.2×9= 166.32

it's is also 166.32 ml

75% = 124.74 CM^3

H = 2.25 cm

Given:

d = 8.4 cm

h = 9 cm

To Find:

A conical glass has a diameter of 8.4 cm and height 9cm . when the glass is 75% full , how many ml of juice does it contain ? if the juice is poured into a cyclinder of same diameter how high will it rise?​

Solution:

We know that,

r = d/2 = 8.4/2 = 4.2 cm

h = 9 cm

1)Volume of conical glass = 1/3(πr²h) = 1/3 x 22/7 x 4.2² x 9 = 166.32 cm³

  Since 1 mL = 1 cm³,

  Volume of 75% full conical glass = 3/4 x 166.32 = 124.74 mL

2) We know that,

   Volume of cylinderical glass = πr²h

    Since the juice is poured from conical to cylinderical glass,

                             124.74 = 22/7 x 4.2² x h

                                         = 55.4h

                             ⇒ h = 124.74 / 55.4 = 2.25 cm

Hence, when the glass is 75% full, the conical flask contains 124.74 mL and if the juice is poured into a cyclinder of same diameter, it will rise by 2.25 cm.

Answer:

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Answer:

5 amps

Explanation:

First from the positive terminal of the battery current is going into two branches in 1Ω which are in series. The equivalent Resistance of 1st branch is 2Ω and 2nd branch is also 2Ω. These two connected in parallel give 1Ω which is in series with 1Ω giving the Equivalent resistance of entire circuit as 2Ω.

Thus, R = 2Ω

I = 10/2 = 5 amps

Thus the current is 5 amps flowed by battery

Answer:

4.5/2

=2.25

so 2.25 is the actual answer

Step-by-step explanation: