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. math

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

14. general knowledge

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

15. microbiology

what is the definition of chemorganic