A 135kg merry-go-round is initially at rest, when a student holding the rail begins
to run, generating the normal force shown for 1.7s. The equation for the
moment of inertia of any disk (such as a merry-go-round, neglecting the hand
rails) is I = 1/2mr.
Answer all questions relative to the center of the merry-go-round.
How much torque does she generate?
377 Nm
What is the moment of inertia?
114
kg m^2
What is the angular acceleration?
unit
What is the final angular speed?
rad/s
rpm

Three archers each fire four arrows at a target. joe’s four arrows hit at points 10 cm above, 10 cm below, 10 cm to the left, and 10 cm to the right of the center of the target. all four of moe’s arrows hit within 1 cm of a point 20 cm from the center, and flo’s four arrows hit within 1 cm of the center. the contest judge says that one of the archers is precise but not accurate, another archer is accurate but not precise, and the third archer is both accurate and precise. which description applies to which archer? explain

A33.1 g copper object is launched from a 1.5 m 30° steel incline positioned on the floor by being pulled up a string attached to a 50.0 g mass suspended vertically over a pulley. the object is projected towards a glass table where it lands when it is at the point along its trajectory with the lowest speed. it comes to a halt when it clears the opposite edge of the table. it then falls and lands on 9 physics texts each 5 cm thick that are stacked on the floor on the opposite side of the table. assume that the table does not have a ledge and the rectangular object experiences 0.05 n of air resistance as it falls towards the books. how far and how long did the object travel and how fast does it hit the books. assume that at the moment the copper object leaves the incline, the massless string and ideal pulley break off

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)