A plane accelerates from 25 m/s to a velocity of 80 m/s in a time of 5 seconds. What
1 answer:
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Answer:
The fountain is 3.43 m high.
Explanation:
Circumference of the pool = 15 m.
C = 2r
where C is the circumference and r its radius.
r =
=
r = 2.3864
radius of the pool = 2.40 m
So that the height of the fountain, h, can be determined by applying trigonometric function.
Tan θ =
Tan 55 =
h = Tan 55 x 2.4
= 1.4282 x 2.4
= 3.4277
h = 3.43 m
The height of the fountain is 3.43 m.
Answer:
The resistor to be hooked up must be 9900
Explanation:
Recall how resistors in parallel combine to render an equivalent resistor:
So we need to find which resistor (R2) we need to combine in parallel with resistor R1 (100 ) in order to obtain an equivalent resistor Re (99
) :