Saturday

August 27, 2016
Total # Posts: 6

**Physics**

A 50 g bullet travelling with an initial velocity of 400 m/s penetrates into a wall with an average force of 4*10^4 N.It goes out of the wall with a velocity of 50 m/s. What is the thickness of the wall
*September 3, 2015*

**math**

I am a number between 50 and 60 and I am divisible by 3.I am an even number. Who am I?
*June 11, 2015*

**mathematics - sinusoidal curves**

Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 2cm. On average, Owen is reaching a maximum height of 200cm every 10 seconds. Determine the equation of a sinusoidal function that would model this ...
*May 5, 2012*

**mathematics - sinusoidal curves**

The propeller of a boat at dock in the ocean will rise and fall with the waves. On a particularly wavy night, the propeller leaves its resting position and reaches a height of 2m on the peaks of the waves and -2m in the troughs. The time between the peak and the trough is ...
*May 5, 2012*

**Math**

A=P( 1+r/100)^n A= 420 ( 1+3/100 )^2/12 A= 420 ( 1.03 ) ^ 0.17 A=$422.12
*May 4, 2012*

**math**

water flows out through a circular pipe whose internal diameter is 2 cm at the rate of 6 metres per second into a cylindrical tank. the radius of whose base is 60 cm. find the rise in the level of water in 30 minutes
*March 1, 2012*

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