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Monochromatic light of wavelength 600nm is incident normally on a optical transmission grating of spacing 2.0μm. calculate (a) the angular position of the maxima; (b) the number of diffracted beams; (c) the maximum order possible.
A boy kicks a football with an initial velocity of 28.0 m/s at an angle of 30.0 degrees above the horizontal. What is the highest elevation reached by the football
A 20.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block
An aluminum block slides along a horizontal surface. The block has an initial speed of 11.0 m/s and an initial temperature of 10.7degrees C. The block eventually slides to rest due to friction.
The moon's diameter is 3.48 × 106 m, and its mean distance from the earth is 3.85 × 108 m. Find the diameter of the moon's image on the slide film
What is an average power output of the laser. What is the rms value of the electric field in the beam.
A skydiver of 75 kg mass has a terminal velocity of 60m/s. At what speed is the resistive force on the skydiver half that when at terminal speed
At the instant the traffic light turns green, a car that has been waiting at an intersection starts forward with a constant acceleration of 2.45 m/s2. How fast is the car traveling when it overtakes the truck
A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 5.3 x 1011 m/s2 in a machine. If the proton has an initial speed of 7.5 x 105 m/s and travels 2.5 cm, what then is (a) its speed and (b) the increase in its kinetic ene..
5.0kg of water at 32?C is mixed with 5.0kg of water at 52?C in a well-insulated container. Estimate the net change in entropy of the system
An arrow is shot at an angle of above the horizontal. The arrow hits a tree a horizontal distance away, at the same height above the ground as it was shot. Use for the magnitude of the acceleration due to gravity.Find , the time that the arrow spends..
A torque of 16Nm is applied to a heavy wheel whose moment of inertia is 34 kgm2. What is the angular acceleration of the wheel
A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250-kg crate. what is the coefficient of static friction
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