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the angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
In Millikan's experiment, an oil drop of radius 1.85 μm and density 0.852 g/cm3 is suspended in chamber C whilst a downward electric field of 0.62 × 10^5 N/C is applied. Find the charge on the drop, in terms of e.
A cylindrical container 1.1 tall contains mercury to a certain depth. The rest of the cylinder is filled with water.If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
An oil drop carries one excess electron and weighs 9.6 x10-15 N. What electric field strength is required to suspend the drop so it is motionless.
A gear system uses 300 joules of energy to move a 20-newton mass 10 meters to the right. How much energy was converted to heat
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 3.60 × 1013 kg.m/s. Find the relativistic momentum of the spacecraft
An object whose weight is 100 Ibf experiences a decrease in kinetic energy of 500 ft. Ibf and an increase in potential energy of 1600 ft. Ibf. The initial velocity and elevation of the object, each relative to surface of the earth, are 50 ft/s and 40..
If a 200 N force F1 is applied to the piston with the 4 cm diameter, Calculate the magnitude of the force F2 that can be resisted by the piston with the 10 cm diameter? Ignore the weights of the pistons.
A 50 kg bag of sand ar 25 degree C falls 10 m onto the pavement and comes to an abrupt stop. What is the dissapative work done on the sand
A laser beam is incident on a 600 lines per millimeter diffraction grating. determine angular deflection of the first-order bright fringe
A violin string tuned to 485.0 Hz is found to exhibit 3.5 beats per second with a guitar string. What was the original frequency of the guitar string
What is least amount of work required by an external force
Suppose a bullet of mass m = 6.77g is fired into a ballistic pendulum whose bob has a mass of M = 0.693kg. What was the speed of the bullet-bob combination immediately after the collision takes place
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