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A uniform 1.4 kilogram rod that is 0.75 meter long is suspended at rest from the ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unscratched. Their spring constants are 33N/m and 59N/m. Compute the angle that the rod creates with the horizontal.
A force of 100 N is applied to a 50kg mass in the direction of motion for a distance of 6.0m, how much work is done by the varying force
Consider water vapor, H2O, at 26 °C. What percentage of water vapor molecules have a speed within 1 m/s of the most probable speed
A projectile is fired vertically from Earth's surface with an initial speed of 8.9 km/s. Neglecting atmospheric friction, how far above the surface of Earth will it go
If you submerge an 8kg log in water and it displaces 10kg ofwater, what will be the net force on the log be the moment you letgo of the log
A double slit with d= 0.02 mm is illuminated by a blue laser at 450 nm and a red laser at 650 nm, what is the distance separating the blue and red fringe
The normal force equals the magnitude of the gravitational force as a roller coaster car crosses the top of a 36--diameter loop-the-loop. What is the car's speed at the top?
A 2.2 kg block of ice initially at a temperature of -20°C is immersed in a very large amount of liquid nitrogen (LN) at a temperature of -196°C, and the nitrogen and H2O are allowed to come to thermal equilibrium.
A basketball star covers 2.85 m horizontally in a jump to dunk the ball, Determine his horizontal velocity at the instant of takeoff
Several ice cubes (pi = 0.9167 g/cm3) of total volume Vi = 240 cm3, Calculate the amount of heat energy Qm in J needed to melt the ice cubes (Lf = 334 kJ/kg)
An alpha particle (a helium nucleus) is traveling along thepositive x-axis at 1175 m/s when it enters a cylindrical tube ofradius 0.400 m centered onthe x-axis. How far does the particle travel before hitting the tube wall
The Hubble Space Telescope (HST) has excellent resolving power because there is no atmospheric distortion of the light. Its 2.4-m-diameter primary mirror can collect light from distant galaxies that formed early in the history of the universe. How fa..
The drawing shows an electron entering the lower left side of a parallel plate capacitor and exiting at the upper right side. Theinitial speed of the electron is 1.88 x 106 m/s. The capacitor is 2.00 cm long, and its plates are separated by 0.150cm.
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