Thursday

July 24, 2014

July 24, 2014

Total # Posts: 10

**geometry**

If two medians of a triangle are equal, prove that the triangle formed by a segment of each median and the third side is an isosceles triangle.

**physics**

A simple pendulum is made from a bob of mass 0.04 kg suspended on alight string of length 1.4m. Keeping the string taut, the pendulum is pulled to one side until it has gained a height of 0.1m. calculate: a. The total energy of the oscillation (b) the amplitude of the resultin...

**physics**

A piston in a car engine has a mass of 0.75 kg and moves with motion wich was approximately simple harmonic. If the amplitude of zis oscillation is 10 cm and z max. safe operating speed of z engine is 6000 rev. per min. Calculate: a. Max acceleration of z piston b. Max.speed o...

**physics**

W=Fs W=25N * 5m = 1255J

**physics**

W=Fs W=25N * 5m = 1255J

**physics**

The potential diffrence across a series combination of 4(micro)F and 12(micro)F capacitor is 240V. What is the potential diffrence across 4(micro)F capacitor?

**physics**

A particle carring a charge of 6*10^-5C is located half way b/n two charges 40cm apart. One carries a charge of 1*10^-4C and the other -1*10^-4 C. If the three charges lie on the same straight line, what is the magnitude and direction of force on the 6*10^-5 C charge?

**biology**

What is the difference betwen RNA virus and Retrovirus?

**biology**

What is the difference betwen RNA virus and Retrovirus?

**Physics**

Two point charges Q1 and Q2 are 4C. They are 10cm apart. At what distance betwen the charges the net electric field will be zero?

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