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related to: sec

1. ### If a stone free falling into a well, after 5 sec I heard its sound what is the deepth of the well?

total time ( sec ) = fall time over depth d + sound-propagation time over distance d T = t1 + t2...

2 Answers · Science & Mathematics · 24/10/2010

2. ### how would you measure the amplitude of a person on a swing swinging 15 times/ sec back and forth...?

15 times/ sec means its frequency that will be a low pitched sound. ...

2 Answers · Science & Mathematics · 18/07/2007

3. ### find the values of the trigonometric functions of theta if sec theta = 7 , sin theta is less than 0?

sec theta = 1 / cos theta, so you have to solve cos theta = 1/7. Then you have to...

3 Answers · Science & Mathematics · 09/07/2011

4. ### simplify Sec ^2 X + Sin ^2 X ?

Invert sec ^2(x) 1/(cos^2(x)) + sin^2(x) Unless you set the expression equal to something, I m not sure what else you can do.

1 Answers · Science & Mathematics · 28/03/2011

5. ### How to convert revs/min to rads/ sec ?

1 rev = 360 degrees = 2*pi radians 1 rev/ sec = 2*pi rads/ sec 1 rev/min = (1/60)*2*pi rads/ sec 3000 revs/min = 3000*(1/60)*2*pi rads/ sec = 100*pi rads/ sec

3 Answers · Science & Mathematics · 24/12/2012

6. ### Angular velocity (rads/ sec )?

...m^2 Answer ANgular vel = 40 sqrt(7) = 105.83 radians/ sec Moment of inertia = 0.0125 Kg m^2

1 Answers · Science & Mathematics · 10/04/2007

7. ### The average angular velocity (rad/ sec )?

it rides 10 000m per 15*60 sec every sycle is 2 pie radian lengh of every rew is 2*pie *diameter g.v=((15*60/10000)*(02*pie*0.7))/2pie=0.063 rad / sec

2 Answers · Science & Mathematics · 15/08/2007

8. ### A ball is dropped from a building, and it hits the ground at 960 ft/ sec ?

acceleration due to gravity = 32ft/ sec sec Velocity = accel x time, therefore, time = velocity/accel t=960ft/ sec / 32ft/ sec sec time t=30sec Height of building = 1/2 x 32ft/secsec x time time Height= 16ft x 30 X30 16 x 900 ft = 14400ft

2 Answers · Science & Mathematics · 18/06/2009

9. ### A thread being pulled off a spool at the rate of 59.4 cm/ sec .?

First convert 155 rev/min to 155 rev/min * 1 min/60 sec = 155/60 rev/ sec . Then calculate how many cm per revolution. Look at...

3 Answers · Science & Mathematics · 07/03/2013

10. ### A ball is thrown vertically downward from the edge of a high cliff with an initial velocity of 25 ft/ sec .?

its thrown vertically downwards u=25 ft/ sec a=9.8 m/s² (gravity) t=1.5s v=? so v=u+at v=7.62+(9.8*1.5) (note...

2 Answers · Science & Mathematics · 18/02/2012