# Math (PreCalculus)

The second hand of a clock is 4 inches long. Describe the height of the tip of the second hand from the bottom of a clock. (The radius of the clock is 1 inch more than the length of the second hand.)

1. 👍 0
2. 👎 0
3. 👁 94
1. The tip of the second hand travels on a 4" circle, inside a 5" circle. So, at t seconds into the minute, the tip of the second hand is at height

5+4cos(t/60 * 360)° = 5 + 4cos(6t)°

from the bottom of the clock.

1. 👍 0
2. 👎 0
posted by Steve

## Similar Questions

1. ### Math

the minute hand of the tower clock is 12 inches long and the hour hand is 9 inches long. on this clock what is the positive difference between the number of inches traveled by the tip of the minute hand and the tip of the hour

asked by Kathy on June 28, 2018
2. ### Math

The minute hand of a clock is 6 inches long and moves from 3 o clock to 5 o clock. how far does the tip of the minute hand move. Express your answer round to two decimal places. Can you solve this?

asked by Deborah on April 21, 2014
3. ### Geometry (math)

The 100-foot clock tower in Rome, Georgia is more than 100 feet tall. The minute hand is 4 feet, 3 inches long, and the hour hand is 3 feet, 6 inches long. How many inches farther does the tip of the minute hand travel than the

asked by Zunie on February 18, 2015
4. ### PreClac

The height in inches about the ground of the tip of the hour hand is a function, h(t), of the time (t), in hours. The hour hand is 6 inches long and the middle of the clock face is 68 inches about the ground. Identify the period,

asked by I need help on April 19, 2012
5. ### trig

The minute hand of a clock is 7 inches long and moves from 12 to 11 ​o'clock. How far does the tip of the minute hand​ move? Express your answer in terms of pi and then round to two decimal places.

asked by sareen on April 8, 2016
6. ### math

How far does the tip of the minute hand of a clock move in 100 minutes if the hand is 3.3 inches long?

asked by valerie on April 7, 2013
7. ### math

If the hour hand of a clock is 7 inches long, how many inches does the tip travel between 1:00 PM and 4:00 PM?

asked by Emma on May 25, 2013
8. ### trig

The minute hand of a clock is 6 inches long. What distance does its tip move in 16 minutes?

asked by tim on February 20, 2012
9. ### algebra

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr????

asked by Angela on November 12, 2011
10. ### Pre-Calculus

The minute hand of a clock is 3 inches long. How far does the tip of the minute hand move in 5 minutes? If necessary, round the answer to two decimal places.

asked by Chris on September 10, 2016

More Similar Questions