For a short time, gear A of the automobile starter rotates with an angular acceleration of QA= 450t2- 60t rad/s2, where t is in seconds. Determine the angular velocity and angular displacement of gear B when t = 4s, starting from rest. The radii of gears A and 25 mm, respectively. B are rA 10 mm and TB %3D

The dimension and configuration of a four-bar mechanism is shown below. The crank P1A has an angular velocity of 10 rad/s and angular acceleration of 30 rad/s both clockwise. Determine the angular velocity of P2B. 00 mm 300 mm 8 rad/s (anticlockwise) 6.1 rad/s (clockwise) 1.9 rad/s (clockwise) 9 rad/s (clockwise)

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12. The gear A on the drive shaft of the outboard motor has a radius r = 0.5 in. and the meshed pinion gear B on the propeller shaft has a radius r = 1.2 in. . (a) Determine the angular velocity of the propeller in t = 1.5 s, if the drive shaft rotates with an angular acceleration ,a = (400t³) rad/s², where t is in seconds. The propeller is originally at rest and the motor frame does not move. (b) Determine the magnitude of the velocity and acceleration of point P located on the tip of the propeller at the instant. t = 0.75 s 2.20 in.

Q1: 1.2. if gear A is started from rest with 6.366 rev/sec² along c.w. direction, find the angular velocity and acceleration of gear B after 5 sec. 1.2. The c.w. angular acceleration of gear A is α = (3 +0.007 02), where 0 in radians. If the c.w. angular velocity of gear A was 250 rev/min at time t = 0, find the angular velocity and acceleration of gear B after the gear A rotating 16 rev. 175 mm 100 mm WA αA