Posted by **kelsey** on Sunday, November 9, 2008 at 11:46pm.

The height of a tower is measured by attaching a simple pendulum to its ceiling, whose length is barely enough to stay off the floor. The pendulum is let go from a small angle, and takes 13 s to return to the same location it started from.

a.) How tall is the tower?

? m

If the pendulum mass is let go 0.1 m above the floor,

b.)how fast is the mass travelling as it grazes the floor?

? m/s

## Answer This Question

## Related Questions

- physics - A spiral staircase winds up to the top of a tower in an old castle. To...
- Phyics - A spiral staircase winds up to the top of a tower in an old castle. To ...
- physics - A visitors to a lighthouse wishes to determine the height of the tower...
- physics - A visitor to a lighthouse wishes to determine the height of the tower...
- Physics - A man enters a tall tower, needing to know its height. He notes that a...
- Physics - A man enters a tall tower, needing to know its height. He notes that a...
- PHYSICS - A man enters a tall tower, needing to know its height. He notes that ...
- PHYSICS(HELP) - A pendulum of mass m= 0.8 kg and length l=1 m is hanging from ...
- physics help - A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the...
- physics help - A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the...

More Related Questions