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Vlad1618 [11]
3 years ago
6

Need help but the subject is science will give brainleist

Physics
2 answers:
LuckyWell [14K]3 years ago
4 0

Answer:

A: decreases

B: rises

C: increases

D: sinks

tatyana61 [14]3 years ago
4 0
The answer is A it decreases
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Answer:

Explanation:

Given

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After collision they stick together

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P_f=3Mv'

Conserving momentum

P_i=P_f

-Mv=3Mv'

v'=\frac{v}{3}

i.e. system moves towards the direction of 2M mass

Initial kinetic Energy K_1=\frac{1}{2}Mv^2+\frac{1}{2}2Mv^2

K_1=\frac{3}{2}Mv^2

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3 0
3 years ago
A marble is flicked off the edge of a table. The motion of the marble follows a parabolic path.
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When marble is flicked off the edge of a table then the at the instant it will move off the table the velocity is horizontal while due to force of gravitation the marble will start accelerating downwards.

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<em>A. </em>

<em>Only one continuous force is acting on the marble.</em>

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