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A thin rod of length 0.75m and mass 0.42kg is suspended freelyform one end. It is pulled to one side and then allowed to swinglike a pendulum, passing through its lowest position iwith angularspeed 4.0 rad/s. Neglecting friction and air resistance, find
a. the rod's kinetic energy at its lowest position
b. how far above that position the center of mass rises.
Monochromatic light is beamed into a michelson interferometer. The movable mirror is displaced 0.36 nm, causing the central spot in the interferometer pattern to change from bright to dark and back to bright 1829 times. Determine the wavelength of..
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 7.14 103 W. How much energy does it extract from the outside air
An archeological specimen containing 9.7 g of carbon has an activity of 1.2 Bq. How old (in years) is the specimen
an elastic collision between two bodies in which the collision is not head-on. Projectile particle m1 is an alpha particle and target m2 is an oxygen nucleus. Find the initial speed of the alpha particle
A conducting sphere that carries a total charge of -9.1 µC is placed at the center of a conducting spherical shell that carries a total charge of +1.7 µC. Determine the charge on the outer surface of the shell
A ball thrown with an initial velocity of 12 m/s at 30 degreesabove the horizantal from a rooftop 40 m high. Calculate: the maximum hight. the horizantal distance coverd when it is 40 m below the roof
A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 4.2 m, what is the maximum weight it can lift
The circular disk shown rotates in a horizontal plane. A 3-lb block rests on the disk 8 in. from the axis of rotation. find the length of time required for the block to begin to slip
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
According to a stationary observer, a moving clock appears to run at a rate that is 0.22 times the rate of a clock at rest. How fast is the clock moving
the abovegroundswimming pool of h=.95m has an external filter sitting on ground . the filter has an opening 2cm is diameter that connects to the pipe of 1cm diameter. what is the pressiure at the filter openning
A constant, uniform electric field points in the positive x-direction with the magnitude of 500 N/C. How much energy is required to move the particle
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