What could you do to decrease the rate at which salt dissolves in water?
1 answer:
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The linear momentum is given by . Here
is mass
is velocity of the body. Given mass and velocities as
Initial momentum is and final momentum is
.
The correct answer is (A)
Answer:
They can travel in a vacuum.
Explanation:
» Only electromagnetic waves travel through vacuum. The other mechanical waves require a material medium to travel.