Answer:
4m/s
Explanation:
May be different considering how long the pole is and how heavy the firefighter is.
<span>B. because they cannot make light rays converge</span>
C because it’s not a or B so 50/50 c or d and d is def not the answer so c
Answer:
There are three ways an object can accelerate: a change in velocity, a change in direction, or a change in both velocity and direction.
Explanation:
Answer:
See Explanation
Explanation:
Sound is a mechanical wave. A mechanical wave requires a material medium for propagation. This means that sound waves must be carried in air. If there are no air molecules, sound waves can not travel.
When air is gradually removed from the jar by the pump, the sound intensity from the bell gradually decreases owing to the fact that air which is the medium through which sound waves are propagated is gradually being removed from the jar.
