Thursday

July 31, 2014

July 31, 2014

Total # Posts: 10

**Chemistry**

could you please explain the formula i tried everything thanks for your time

**physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.

**physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.

**physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.

**physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.

**physics**

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.97 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 4.72 × 10−11 m. Answer in units of N.

**physics**

A 86kg fisherman jumps from a dock into a 121kg rowboat at rest on the West side of the dock. If the velocity of the fisherman is 3.4m/s to the West as he leaves the dock, what is the final velocity of the fisherman and the rowboat? Answer in units of m/s

**physics**

A 86kg fisherman jumps from a dock into a 121kg rowboat at rest on the West side of the dock. If the velocity of the fisherman is 3.4m/s to the West as he leaves the dock, what is the final velocity of the fisherman and the rowboat? Answer in units of m/s

**physics**

A 20 g bullet is accelerated in a rifle barrel 95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

**physics**

A 20 g bullet is accelerated in a rifle barrel 95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N.

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