Answer:
answer is (c) density is not a characteristics of vibration.
hope it is right answer for it!!
Answer:
24000 kg·m/s
Explanation:
Momentum is Mass x Velocity, so 1200 kg time 20 m/s = 24000 kg-ms/s
<span>If your options are:
A.Both momentum and kinetic energy are vector quantities.
B.Momentum is a vector quantity and kinetic energy is a scalar quantity.
C.Kinetic energy is a vector quantity and momentum is a scalar quantity.
D.Both momentum and kinetic energy are scalar quantities.
</span>
The answer on the question given is letter B.<span>Momentum is a vector quantity and kinetic energy is a scalar quantity.</span>
Answer:

Explanation:
Given that,
The instantaneous current in the circuit is giveen by :

We need to find the rms value of the current.
The general equation of current is given by :

It means, 
We know that,

So, the rms value of current is 2.12 A.
Answer:
yes
Explanation:
it can end up stressing you out, causing a fight or argument