2
A tether ball tied to a pole by a rope swings in a circular path with a centripetal
acceleration of 2.7 m/s2. If the ball has a tangential speed of 2.0 m/s, what is the
diameter of the circular path in which it travels?
A 0.74 m
B 1.5 m
C 3.0 m
D 3.6 m

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.