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A cannon fires a shell straight upward; 2.1 s after it is launched, the shell is moving upward with a speed of 16 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) of the shell at launch and 4.9 s after the launch. (a) at launch m/s (b) 4.9 s after the launch m/s.
A light beam is incident on heavy flint glass (n = 1.62) at the polarizing angle. Calculate the angle of refraction for the transmitted ray
During a lightning flash, there exists a potential difference of Vcloud - Vground = 1.6 x 109 V between a cloud and the ground. As a result, a charge of -15 C is transferred from the ground to the cloud. How much work Wground–cloud is done on the c..
A ball is thrown directly downward with an initial speed of 7.85 m/s, from a height of 30.4 m. After what time interval dose it strike the ground
The beam consists of two segments pin connected at B. 1. Obtain the shear force V1(x) and bending moment M1(x) for 0
A bungee jumper undergoes simple harmonic motion with amplitude 6.4 m and frequency 0.145 Hz. Determine the bungee jumper's velocity at 0.25 seconds
Find the differential equation and use the initial conditions to determine the constant of integration.
A narrow vertical single slit (in air) is illuminated by IR from a He-Ne laser at 1152.2 nm, and it is found that the center of the first dard band lies at an angle of 4.2 deg off the central axis. Determine the width of the slit.
A 150 pF capacitor and a 600 pF capacitor are both charged to 2 kV. They are then disconnected from the voltage source and are connected together, Find the energy lost when the connections are made
Consider an electron in hydrogen having total energy - 0.850 eV. What are the possible values of its orbital angular momentum
A photon with a wavelength 4.40 scatters from an electron initially at rest. Find out the wavelength of the scattered photon when the scattered electron has its utmost kinetic energy. Kmax = 2.37*20^-14.
A 200.0 kg flat-bottomed boat floats in fresh water, which has a density of 1000.0 kg/m3. Assuming that the base of the boat is 1.42 m wide and 4.53 m long, how much of the boat is submerged when it carries three passengers whose total mass is 242 kg..
An RLC circuit has a sinusoidal voltage supplied to it at 632 kHz with a peak voltage of 748 V; a 25 k? resistance; a 16 µF capacitance; and a 30 H inductance
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