Awheel 1.90 m in diameter lies in a vertical plane and rotates about its central axis with a constant angular acceleration of 4.40 rad/s2. the wheel starts at rest at t = 0, and the radius vector of a certain point p on the rim makes an angle of 57.3° with the horizontal at this time. at t = 2.00 s, find the following. (a) the angular speed of the wheel

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

Which notation is used to represent an alpha particle? a. b. c. d.

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