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suppose that a projectile which is subject to a linear resistive force is thrown down with a speed of Vyo which is greater than the terminal speed Vterm. Describe and explain how the velocity varies with time, and make a plot of Vy against t for the case that Vyo=2Vterm.
A circuit is connected in parallel with two capacitor C1=6F and C2=3F with seperate switches S1,S2 and has a voltage of 20V. capacitor C1 is first charged by closing switch S1. switch S1 is then opened , and charged capacitor is connected to the un..
By measuring the spectrum of wavelengths of light from our sun, we know that its surface temperature is 5760 K . By measuring the rate at which we receive its energy on earth, we know that it is radiating a total of 3.93×1026 J/s and behaves nearl..
A 2.20 kg frictionless block is attached to an ideal spring with forces constant 314N/m. At first the block has velocity -3.60 m/s and displacement 0.300-m.
The elevator is firstly at rest. How far does the elevator move even as accelerating to full speed from rest.
A 340 g air track cart traveling at 1.25 m/s collides elastically with the 300 g cart traveling in the opposite direction at 1.33m/s. What is the speed of the 300g cart after collision.
What is the period of this pendulum in the small angle approximation.
An unmarked police car travelling a constant 85 km/h is passed by a speeder. Precisely 2 s after the speeder passes, police officer steps on the accelerator.
How the system comes to thermal equilibrium
How far east of his starting point will he reach the opposite bank? What is the magnitude of his velocity relative to the earth.
Find out an effective coefficient of kinetic friction
An airplane is flying with the velocity of 82.0 at an angle of 22.0 above the horizontal. When the plane is a distance 111 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog..
The potential difference between the plates of a capacitor is 145 V. Midway between the plates; a proton and an electron are released. The electron is released from rest.
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