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A pilot flies his plane in a vertical loop of radius 500m at such a speed that at the top of the loop he feels no force from either the seat or the seatbelt.a) at what speed is the plane then flying? b) if his speed rises to 100 m/s by the time he reaches the bottom of the loop, what force does he experience from the seat. take his mass as 67kg.
Sagot :
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