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An army plane wants to drop supplies to a group of physics students stranded on an island. In order for the package to land on the island, the pilot needs to drop the package before the plane is directly above the island. Explain why using Newton's Laws (you may ignore air resistance).
Ans.
Newton's 1st law illustrates why the package will continue at a constant velocity in the x-direction
Explain the Electromagnetic Induction The force exerted on an electric charge moving in a magnetic field leads to the idea of magnets being able to produce electricity as well
1. We want to measure a sinusoidal signal (frequency 100 Hz) expected to be of strength 1 mV RMS in the presence of noise of peak amplitude 3 mV. (a) If our A/D converter has
Define the ultrasonic welding applications. Ultrasonic Welding Applications Ultrasonic metal-welding is an advanced technical procedure for combining nonferrous metals, many
Q. In Young's double slit experiment the distance between the slits is 1.9 mm. The distance between the slit and the screen is 1 m. If the bandwidth is 0.35 mm Compute the waveleng
Q. What is excitation potential energy of an atom? The energy required to increase an atom from its normal state into an excited state is called excitation potential energy of
You pull a simple pendulum of length 0.240 m to the side through an angle of 3.50 degrees and release it. a) How much time does it take the pendulum bob to reach its highest speed?
A hiker tosses a rock into a canyon. He hears it strike water 4.78 s later. How far down is the surface of the water?
compostion of two simple harmonic motion
What do you mean by Moseley's law? Explain briefly its importance. Explain the origin of X-ray spectra. Describe continuous and characteristic x-ray spectrum.
An athlete run a certain distance before taking a long jump. Why?
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