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An airplane starts from rest, travels 5000 m down a runway, and after uniform acceleration, takes off with a speed of 250 km/hr. It then climbs in a straight line with uniform acceleration of 1 m/s? until it reaches constant speed of 350 km/hr. Draw the s - t, v – t, and a - t graphs that describe the motion. A conveyor belt distributed packages is moving at 4 m/s. If the coefficient of static friction between the conveyor and a 10 kg package is n, = 0.2. i. Determine the shortest time the belt can stop so that the package does not slide on the belt. ii. If the speed of the conveyor is 5 m/s and then it suddenly stops, determine the distance the package will slide on the belt before coming to rest.

An airplane starts from rest, travels 5000 m down a runway, and after uniform acceleration, takes off with a speed of 250 km/hr. It then climbs in a straight line with uniform acceleration of 1 m/s? until it reaches constant speed of 350 km/hr. Draw the s - t, v – t, and a - t graphs that describe the motion. A conveyor belt distributed packages is moving at 4 m/s. If the coefficient of static friction between the conveyor and a 10 kg package is n, = 0.2. i. Determine the shortest time the belt can stop so that the package does not slide on the belt. ii. If the speed of the conveyor is 5 m/s and then it suddenly stops, determine the distance the package will slide on the belt before coming to rest.

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QUESTION 4 a) An airplane starts from rest, travels 5000 m down a runway, and after uniform acceleration, takes off with a speed of 250 km/hr. It then climbs in a straight line with uniform acceleration of 1 m/s? until it reaches constant speed of 350 km/hr. Draw the s - t, v – t, and a – t graphs that describe the motion. b) A conveyor belt distributed packages is moving at 4 m/s. If the coefficient of static friction between the conveyor and a 10 kg package is ts = 0.2. i. Determine the shortest time the belt can stop so that the package does not slide on the belt. ii. If the speed of the conveyor is 5 m/s and then it suddenly stops, determine the distance the package will slide on the belt before coming to rest.
Transcribed Image Text:QUESTION 4 a) An airplane starts from rest, travels 5000 m down a runway, and after uniform acceleration, takes off with a speed of 250 km/hr. It then climbs in a straight line with uniform acceleration of 1 m/s? until it reaches constant speed of 350 km/hr. Draw the s - t, v – t, and a – t graphs that describe the motion. b) A conveyor belt distributed packages is moving at 4 m/s. If the coefficient of static friction between the conveyor and a 10 kg package is ts = 0.2. i. Determine the shortest time the belt can stop so that the package does not slide on the belt. ii. If the speed of the conveyor is 5 m/s and then it suddenly stops, determine the distance the package will slide on the belt before coming to rest.
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