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Neporo4naja [7]

3 years ago

15

collision occurs betweena 2 kg particle traveling with velocity and a 4 kg particle traveling with velocity. what is the magnitu

de of their velocity

1 answer:

anzhelika [568]3 years ago

4 0

Answer:

metre per seconds

Explanation:

because velocity = distance ÷ time

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If the temperature of the conductor is increased, the electrons’ speeds decrease

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Answer:

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3 years ago

What is the kinetic energy f a 25kg object movingat a velocity of 10m/s?

alex41 [277]

Using K.E=1/2MV^2
answer is 125joules

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3 years ago

What is the kinetic energy of a 7.26 kg bowling ball that is rolling at a speed of 2m/s

vlada-n [284]

Answer:

<h2>14.52 J</h2>

Explanation:

The kinetic energy of an object can be found by using the formula

$k = \frac{1}{2} m {v}^{2} \\$

m is the mass

v is the velocity

From the question we have

$k = \frac{1}{2} \times 7.26 \times {2}^{2} \\ = 2 \times 7.26$

We have the final answer as

<h3>14.52 J</h3>

Hope this helps you

4 0

2 years ago

An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s squared. What ar

Iteru [2.4K]

The direction of the electric field would be south.

qE/m = 115
<span> E = 115*m/q </span>
<span> = 115 * 9.1 * 10^(-31) / 1.67*10^(-19) </span>
<span> = 762.87 * 10^(-12) </span>
<span> = 6.27 x 10^-10 N/C
</span>
Hope this answers the question. Have a nice day. Feel free to ask more questions.

6 0

2 years ago

What would happen if the poles of the magnet were reversed?

erica [24]

The direction of magnetic field lines get reversed as the direction of magnetic field lines is from north pole to south pole

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3 years ago