which pole of a compass needle points north ? please give simple answer with little explaining if any :)
1 answer:
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Answer:
Explanation:
Subtract both sides by :
Divide both sides by -2*a:
Add both sides by :
Subtract both sides by :
Answer:
u = 11.6 m/s
Explanation:
The end of a launch ramp is directed 63° above the horizontal. A skier attains a height of 10.9 m above the end of the ramp.
Maximum height, H = 10.9
Let v is the launch speed of the skier. The maximum height attained by the projectile is given by :
u = 11.6 m/s
So, the launch speed of the skier is 11.6 m/s. Hence, this is the required solution.