D.transverse waves move perpendicular and longitudinal waves move parallel to the direction of energy movement..
Ok so the formula is d=vi(t)+½at² and when you substitute it you should get 172.5meters
Answer:
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Answer:
c)
Explanation:
As we know that resultant force is the net force that is acting on the system
As per Newton's II law we know that net force is product of mass and acceleration
so we will have

here we know
m = 80 kg
for circular motion acceleration is given as


now we have


