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The current in an inductor is around 0.20 A, and the frequency is around750 Hz. When the inductance is around 0.100 H, determine the voltage across the inductor?
A copper ball having radius of 1.5 cm is heated until its diameter has raised by 0.24 mm. Supposing an initial temperature of 22° C, determine the final temperature of the ball.
A microphone at the other end of the bar picks up two pulses of sound, one that travels via the metal and one which travels via the air. The pulses are separated in time through 11.0 ms. Determine
When you are seated in the middle row, determine how much time elapses between a sound from the stage reaching your ear directly and the similar sound reaching your ear after reflecting from the bac
A sinusoidal wave traveling on the string consists of a period of 0.21 s, a wavelength of 32 cm and an amplitude of around 5.0 cm. Determine the speed of the wave?
A particle having a charge of 1 nC moves in the uniform magnetic field B = 2.0Ti. Determine the magnetic force (both direction and magnitude) on the particle if its velocity is:
A small light-bulb is fixed to a meter stick’s 0-cm mark, and at the 100-cm mark is a concave mirror having focal length 10 cm. At 50 cm mark is a convex lens having a focal length of 20 cm. E
Determine the magnification in the first case (smaller distance from the light bulb)?
An ice puck of .450 kg, moving east having a speed of 3.00 m/s, has a head on collision with a puck of 0.900 kg primarily at rest. Supposing a perfectly elastic collision, determine what will be the
An object is positioned 4 cm in front of a 2 cm focal length lens. When a second similar lens is now positioned 2 cm behind the first, where will the final image be positioned?
The chain engages having a front sprocket 15.2 cm in diameter and a rear sprocket 6.25 cm in diameter. (i) Compute the speed of a link of the chain relative to the bicycle frame.
A man is travelling in the elevator that is accelerating upwards having a uniform acceleration of g/3 (g = 9.8 m/s2).
The expansion tank of a house hold hot-water heating tank is open to the atmosphere and is 10 meters over a pressure gauge joined to a furnace. Determine the gauge pressure at the furnace?
Three similar resistors, each of resistance 6.0 ohm, are joined two in parallel and the third one in series. This combination is joined to a 12 V battery. Determine the current and voltage on each a
An object 4cm tall is positioned 10cm from the thin converging lens manufactured in Part (i). Compute the position and size of the image of the object and find out its nature.
I have an inclined plane which is at a 30 degree angle and comprises two objects and a pulley among them. On the incline is a 3 kg mass and suspending in the vertical position is a 4kg mass. Both m
A candle having a flame 2.5cm tall is positioned 5.6cm from the front of a concave mirror. A virtual image is made 11cm behind the mirror. i) Determine the focal length of the mirror.
A sound wave consists of a frequency of 1310 Hz. The air temperature is around 15 o C. To the closest tenth of a meter per second, determine the speed?
A round wastepaper basket having a 0.15 m radius opening is in the uniform field of fluid flow of 3.0 m/s perpendicular to the opening. The net flux via the sides and bottom (in SI units) is:
When a photon and an electron each encompass the similar energy of 20.0 eV, determine the wavelength of each.
If you take a walk on a summer night all along a dark, unpaved road in the woods, having a flashlight pointing at the ground some yards ahead to guide your steps, any water-filled potholes are notic
The two narrow slits are 0.18 mm apart. The light of wavelength 562 nm illuminates the slits, causing the interference pattern on a screen 1.0 m away.
A source releases two distinct wavelengths: 470 nm (blue) and 690 nm (red). The light hits a diffraction grating having 450 lines/mm at normal incidence. Recognize the colors of the first ten interf
Anyway, when your knuckle cracking consists of a sound level of 60 dB at a distance of 18 cm from your ear, determine the farthest distance from your hand at which the sound could be heard by a pers
You are provided a converging lens having focal length f is unknown. With just a ruler and a white piece of cardboard, determine how could you determine the focal length of this lens? Use the thin l