# Question

A meterstick pivoted about a horizontal axis through the 0-cm end is held in a horizontal position and let go.

(a) What is the initial tangential acceleration of the 100-cm position? Are you surprised by this result?

(b) Which position has a tangential acceleration equal to the acceleration due to gravity?

(a) What is the initial tangential acceleration of the 100-cm position? Are you surprised by this result?

(b) Which position has a tangential acceleration equal to the acceleration due to gravity?

## Answer to relevant Questions

Pennies are placed every 10 cm on a meterstick. One end of the stick is put on a table and the other end is held horizontally with a finger, as shown in Fig. 8.49. If the finger is pulled away, what happens to the pennies? A person opens a door by applying a 15-N force perpendicular to it at a distance 0.90 m from the hinges. The door is pushed wide open (to 120o) in 2.0 s. (a) How much work was done? (b) What was the average power ...You wish to accelerate a small merry-go-round from rest to a rotational speed of one-third of a revolution per second by pushing tangentially on it. Assume the merry-go-round is a disk with a mass of 250 kg and a radius of ...A hollow, thin-shelled ball and a solid ball of equal mass are rolled up an inclined plane (without slipping) with both balls having the same initial velocity at the bottom of the plane. (a) Which ball rolls higher on the ...An ice skater has a moment of inertia of 100 kg ∙m2 when his arms are outstretched and a moment of inertia of 75 kg ∙ m2 when his arms are tucked in close to his chest. If he starts to spin at an angular speed of 2.0 rps ...Post your question

0