Other Physics Answers

Calculate the beat frequency for the two frequencies of waves given 720Hz and 280Hz respectively

A electron passes through a magnetic field at 60° to the field at a velocity of 3.5×10⁶m/s. What is the magnitude of the force acting on the electron having a 0.45T magnetic field?

A 5.5 x10⁴ kg airplane is flying at 85m/s at an altitude of 1.2x10⁴m. Find the plane's

(a) Potential energy ,(b) kinetic energy,and (c) Mechanical energy

Given: m=5.5x10⁴kg

v=85m/s

h=1.2x10⁴m

A 500-turn solenoid have a cross-sectional area 20 m^2. If its self-inductance

is 20H, then find the length of the solenoid.

A long solenoid has 500 turns. When a current of 2 A is passed through it, the

resulting magnetic flux linked with each turn of the solenoid is 4×10

−3 Wb. find

self-inductance.

A parallel plate capacitor has square plates of side 5 cm and separated by a

distance of 1 mm. (a) Calculate the capacitance of this capacitor. (b) If a 10 V

battery is connected to the capacitor, what is the charge stored in any one of the

plates? (The value of εo = 8.85 x 10-12 Nm2 C-2)

An ideal gas that occupies 1.2m3 at a pressure of 1 x 105 Pa and a temperature of 27C is compressed to a volume of 0.6m3 and heated to a temperature of 227C. What is the new pressure? 

Two spherical objects have masses of 8000kg and 1500 kg. Their centers are separated by a distance of 1.5m. Find the gravitational attraction between them.

A bus is moving at 5.0 m/s when a passenger walks forward at 1.5 m/s relative to the bus. How fast is this passenger moving as seen and measured by (a) a person waiting at the bus stop and (b) the driver of the bus?