# smita

Most popular questions and responses by smita
1. ## PHYSICS

Nobel laureate Richard Feynman (1918-1988) once said that if two persons stood at arm's length from each other and each person had 1% more electrons than protons, the force of repulsion between them would be enough to lift a "weight" equal to that of the

2. ## PHYSICS

A large, flat, horizontal sheet of charge has a charge per unit area of 2.05 µC/m2. Find the electric field just above the middle of the sheet.

3. ## physics

An electron moving parallel to the x axis has an initial speed of 3.66 ✕ 106 m/s at the origin. Its speed is reduced to 1.40 ✕ 105 m/s at the point x = 2.00 cm. Calculate the potential difference between the origin and that point. ΔV =

4. ## Math

Allie's plant has a height of 6 meters. rayon's plant grows 3/10 meter higher . How high does Rajon's plant grow?

5. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

6. ## PHYSICS

In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force

7. ## PHYSICS

A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field. T in the

8. ## PHYSICS

An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

9. ## PHYSICS

A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field. T in the

10. ## physics

Calculate the speed of an electron that is accelerated through the potential difference of 123 V.

11. ## PHYSICS

(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one

12. ## physics

A 120-V motor has mechanical power output of 2.20 hp. It is 92.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor.

13. ## general knowledge

how can we write 17. march.2011 in 5 letters without using any numbers

14. ## math

Two balanced dice are rolled.Find the probability that the numbers on two dice are equal.

15. ## microbiology

what is the definition of chemorganic