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A thin rod of length 0.84 m and mass 190 g is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, passing through its lowest position with angular speed 3.76 rad/s. Neglecting friction and air resistance, find
(a) the rod's kinetic energy at its lowest position and
(b) how far above that position the center of mass rises.
A hiker starts at his camp and moves the following distances while exploring his surroundings: 80.0 m north, 2.20 102 m east, Find his resultant displacement from camp
An insect 1.3mm tall is placed 1.0mm beyond the focal point of the objective lens of a compound microscope. Where is the image formed by the objective lens
Cat rides a merry-go-round turning counter clock wise at a uniform speed. There, the cat is under uniform circular motion. what is the time taken by the cat to complete a full circle
Infrared photons cause a particular piece of metal to emit photoelectrons. Would photoelectrons be emitted when the metal is illuminated by visible light?
What is the ratio of the cardinals magnitude. One mole of tungsten (6 1023 atoms) has a mass of 184 grams, and its density is 19.3 grams per cubic centimeter. You have a long thin bar of tungsten, 2.3 m long, with a square cross section, 0.15 cm on..
a bicyclist of mass 54 kg puts all his weight on each downward-moving pedal as he pedals up a steep road. determine the magnitude of the maximum torque he exterts in the process
A coil of wire is connected to an ideal 12.0-V battery at t = 0. At t = 14.2 ms, the current in the coil is 210 mA. calculate the inductance of the coil
What is this force in Newtons.
The spring constant for the tendon is the equal for both groups, 33. What is the difference in highest stored energy between the sprinters and the non athletes?
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 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
Suppose a tank contains 624 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa. What is the increase in the internal energy of the neon
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