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A particular galvanometer serves as a 2.00 Volt full-scale voltmeter when a 2500 ohm resistor is connected in a series with it.
It serves as a .500 Amp full-scale ammeter when a .220 ohm resistor is connected in parallel with it. Find the internal resistance of the galvanometer and the current required to produce full-scale deflection.
The average lifetime of a pi meson in its own frame of reference (i.e., the proper lifetime) is 2.6 10-8 s. What is the average distance it travels before decaying
A student sits on a swivel seat. Initially the student is at rest, holding a spinning bicycle wheel that has an angular velocity of 12.6 rad/s, Find the student's final angular velocity
Do sound waves exhibit diffraction effects? If so, determine the "slit" width that would diffract an audible sound wave (frequency between 20 Hz and 20 kHz). Would a doorway work or do you need a different sized opening?
A constant torque of 260 N-m acts on a flywheel. If the flywheel makes 25 complete revolutions, how much work has been done by the torque on the flywheel
a stell ball of mass m suspended by a thread of lenght l. the ball is then released when the thread is horizontal. at the bottom of this path, find the speed of the block just after collision
A copper bar of thermal conductivity 401 W/(m · K) has one end at 104° C and the other end at 33° C. What is the temperature gradient in the bar
q1. using the equation fm v2r for a force an object in circular motion. find the radius r of motion of a m1.6 kg ball
Calculate the resultant velocity of an airplane that normallyflies at 200km/h if it encounters a 50-km/h tailwind. If itencounters a 50-km/h head wind
A man pushes a lawn mower on a level lawn with a force of 186 N. If 35 percent of this force is directed downward, how much work is completed by the man in pushing the mower 6.5 m.
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous planet varies linearly with the height of the atmosphere.
A cylindrical section of a tree trunk 50 cm in diameter and 75 cm long is seen rolling down a road below a sawmill at a speed of 12 m/s. at least how far up the road is the sawmill
A force N acts for 0.2 seconds on an object of mass 2.4 Kg whose initial velocity was m/s. What is the new velocity
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