Answer:
power is the rate at which energy is transferred or converted
the unit of power is Watts
It is B, Microcephaly. Hope I helped! :))
Answer:
The actual angle is 30°
Explanation:
<h2>Equation of projectile:</h2><h2>y axis:</h2>

the velocity is Zero when the projectile reach in the maximum altitude:

When the time is vo/g the projectile are in the middle of the range.
<h2>x axis:</h2>

R=Range


**sin(2A)=2sin(A)cos(A)
<h2>The maximum range occurs when A=45°
(because sin(90°)=1)</h2><h2>The actual range R'=(2/√3)R:</h2>
Let B the actual angle of projectile

2B=60°
B=30°
Speed is distance over time, learn that formula and look at the image
It's b, because the more force an object it is given the harder it will be for it to slow down.