Physics Answers

At 0.0°C and 1.00 atm, 1.00 mol of a gas occupies a volume of 0.0224 m³.

Estimate the average distance between the molecules.

An electronic field with a strength of 1.25×10⁴N/C exerted 2.50 Nnon a certain test charges, q. determine charge on q.

Calculate the electric field strength from a 1.25×10-8 C charge if the test charge is placed 2.50×10-5m.

Calculate the voltage of a battery connected to a parallel plate area of 2.00×10-2 m 2 and a plate separation of 2.0×10-³ m if the charge stored is 4.00×10-¹² C

How much work is needed to move a proton from a point with an potential of +75 V to a point where it is -25 V?

A source passing a stationary observer is emitting a frequency of 560 Hz. If the speed of sound is 345 m/s, what must the speed of the source be if the frequency of the source is 480 Hz? (Ans: 58 m/s)

You are moving in a car at 90 km/h and you see someone at the side of the highway. You can use your horn to warn the person. The frequency of the horn is 440 Hz. and the air temperature is 0°C. Calculate the frequency of the horn the person hears as you approach and pass. (Ans: Approaching: 480 Hz, Passing: 409 Hz)

A fire truck is emitting a 450 Hz signal passes by a stationary detector. The difference in frequency measured by the detector is 58 Hz. If the speed of sound is 345 m/s, how fast is the truck moving? (ans: 22m/s)

A rocket is fired with an initial velocity of 100m/s at an angle of 55°above the horizontal it explode on the mountain side 12second after its fired what is the x&y coordinate of the rocket relative to its firing point?

A rocket is fired with an initial velocity of 100m/s at an angle of 55° above the horizontal it explode on the mountain side 12second after its fired what is the x&y coordinate of the rocket relative to its firing point