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A glass is half-full of water, by a layer of vegetable oil (n = 1.47) floating on top. A ray of light travelling downward during the oil is incident on the water at an angle of58.0°. Decide the critical angle for the oil-water interface
A rod of mass M and length L is hanging from one end on africtionless axis. What is the maximum height the rod and ball reach after the collision
A 2,500-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. Find the speed of the 3,000-kg car before the collision
q1. for the beam given in the figure below assume that the material is astm-a514 steel with elastic modulus and e
Each of the three helicopter rotor blades shown in the figureis 5.20 m long and has a mass of 240 kg. What is the kinetic energy of rotation
earth is approximately a sphere of radius 6.37 times 106 m. what are a its circumference in kilometers b its surface
a playground carousel is rotating counterclockwise about its center on frictionless bearings. Find the final angular speed of the carousel after the person climbs aboard
A 58.6g mass connected to a spring with a force constant of 31.2 N/m oscillates on a horizontal, frictionless surface with an amplitude of 3.70 cm. Calculate the total energy of the system
Three identical blocks are stacked with each extending as far aspossible over the block beneath it. Find the distance Dthat the top block overhangs the bottom block if the length of eachblock is 34.6 cm.
A golfer wants to land a golf ball on the greenlocated 155m away horizontally but 4.0m higher. find With what velocity should the ball leave the tee
A 10.0 kg block of metal is suspended froma scale and immersed in water. The dimensions of the blockare 12.0cm x 10.0cm x 10.0cm. What is the reading of the spring scale
An unstable particle at rest breaks up into two fragments of unequal mass. what is the speed of the heavier fragment
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a). How does the potential energy of the system..
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