A hot-air balloon is ascending at the rate of 11 ms and is, Ask an Expert

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Q. A hot-air balloon is ascending at the rate of 11 m/s and is 68 m above the ground when a package is dropped over the side.
How long does it take to reach the ground?

Q. A 1800-kg car is going around a smooth banked curve with a radius of 45.0 m from the centre of the curve at a speed of 24.5 m/s.

What is the appropriate banking angle so that the car stays on its path without the assistance of friction?

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Category:- Physics
Reference No.:- M9270651

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