Illustrate at what angle should a curve of radius be

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Q. At what angle should a curve of radius 140 m be banked, so cars can travel safely at 33 m/s without relying on friction?

Q. A ship maneuvers to within 2.46×103 m of an island’s 1.80×103 m high mountain peak and fires a projectile at an enemy ship 6.10 × 102 m on the other side of the peak, as illustrated. The ship shoots the projectile with an initial velocity of 2.55×102 m/s at an angle of 74.9?. The acceleration of gravity is 9.81 m/s2.

Reference no: EM13117448

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