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Zarrin [17]
3 years ago
5

What is the momentum of an object that is traveling at 3 m/s and has a mass of 5 kg?

Physics
1 answer:
Ilya [14]3 years ago
6 0

Answer:

Momentum of the object = 15 kg.m/s

Explanation:

Given

mass, m = 5 kg

speed, v = 3 m/s

momentum, p = ?

We know that the momentum is given by the equation:

p = mv

  = 5 kg x 3 m/s

  = 15 kg.m/s

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Ammonia gas occupies a volume of 0.450 L at a pressure of 96 kPa. What
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Answer:

0.426 L

Explanation:

Boyles law is expressed as p1v1=p2v2 where

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P1=96 kPa, v1=0.45 l

P2=101.3 kpa

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Making v2 the subject from Boyle's law

v2=\frac {p1v1}{p2}

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2 years ago
A bicyclist of mass 90 kg drives around a circle with a centripetal acceleration
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given,

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3 years ago
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When a magnetic field is first turned on, the flux through a 20-turn loop varies with time according to Φm=5.0t2−2.0t, where Φm
goldfiish [28.3K]

Answer:

A) ( - 200t + 40 ) volts

B)  b) anticlockwise ,  c) anticlockwise , d) clockwise ,  e) clockwise

Explanation:

Given data:

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number of turns = 20

<u>a) determine induced emf </u>

E = - N \frac{d\beta }{dt}

  =  - N ( 10t - 2 ) = - 20 ( 10t - 2 )

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<u>b) Determine direction of induced current </u>

i) at t = 0

 E = - 0 + 40  ( anticlockwise direction )

ii) at t = 0.10

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iii) at t = 1

E = - 200 + 40 = - 160 ( clockwise direction)

iv) at t = 2

E = -400 + 40 =  - 360 ( clockwise direction )

8 0
2 years ago
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