3 years ago

What two things must you know to find the momentum of an object? :( anyone?

2 answers:

7 0

Linear Momentum is a vector quantity.
 p = mass * Velocity
We need to know the mass, and velocity (magnitude and direction)

miss Akunina [59]3 years ago

4 0

You will need too know the mass and velocity

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mihalych1998 [28]

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3 years ago

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When a current of 0.015 A passes through human body at 240 volts p.d it causes

geniusboy [140]

Explanation:

Given that,

Current, I = 0.015 A

Voltage, V = 240 volts

We need to find the resistance. Using Ohm's law we can find it as follows :

$V=IR\\\\R=\dfrac{V}{I}\\\\R=\dfrac{240}{0.015}\\\\R=16000\ \Omega$

So, When a current of 0.015 A passes through human body at 240 volts p.d it causes 16000 ohms of resistance.

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3 years ago

Can I also get help on this??

Xelga [282]

Answer:

Explanation:

8 0

2 years ago

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If 128 v is required to push 4.00 A of current though a resistor, what is the resistance

prisoha [69]

Answer:

32.0 Ω

Explanation:

Ohm's law:

V = IR

128 V = (4.00 A) R

R = 32.0 Ω

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3 years ago

What does convection mean

Sladkaya [172]

Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat

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