A_cam_should_be_designed_only_using_uniform_rise_and_fall_within_the_second_half_of_cam_profile,_the_first_half_is_dwell_period,_without_any_dwell_period_in_between_the_rise_and_fall_periods_and_rise_and_fall_periods_should_be_same._The_maximum_rise_in_follower_is_45_mm._How_much_the_follower_will_rise_when_the_follower_is_120_degrees_from_its_initial_position_of_a_cam?$

• A. 15
• B. 30
• C. 20
• D. 0