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Elden [556K]
3 years ago
7

Substance a has a density of 3 g/cm3 and substance b has a density of 4 g/cm3. in order to obtain equal masses of these two subs

tances, what must be the ratio of the volume of a to the volume of b?
Physics
1 answer:
bearhunter [10]3 years ago
5 0
Im pretty sure the answer is 4:3
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A spacecraft is separated into two parts by detonating the explosive bolts that hold them together. The masses of the parts are
nordsb [41]

Answer:

  • 0.279 m/s

Explanation:

mass (m1) = 1150 kg

mass (m2) = 1900 kg

impulse (J) = 200 N.s

With what relative speed do the two parts separate because of the detonation?

since both parts separate, their relative speed = speed of m1 + speed of m2

  • speed of m1 = \frac{J}{m} = \frac{200}{1150} = 0.174 m/s
  • speed of m2 = \frac{J}{m} = \frac{200}{1900} = 0.105 m/s
  • relative speed = 0.174 + 0.105 = 0.279 m/s

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Answer:

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Explanation:

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5 0
3 years ago
An uncharged capacitor and a resistor are connected in series to a source of emf. If E = 9.00 V, C=20.0μF , and R = 100ω , find
Levart [38]

Based on the values of E, C, and R, the maximum charge on the capacitor can be found to be 1.80 x 10⁻⁴ C.

<h3>What is the maximum charge?</h3>

The maximum charge on the capacitor can be found as:

= C x ( 10⁻⁶ / 1 μF) x E

Solving gives:

= 20.0 x ( 10⁻⁶ / 1 μF) x 9.00

= 1.80 x 10⁻⁴ C

In conclusion, the maximum charge is 1.80 x 10⁻⁴ C

Find out more on the maximum charge at brainly.com/question/14744255

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