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Light from an argon laser strikes a diffraction grating that has 5350 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.71 m from the grating. Determine the wavelength of the laser light. answer in nm
A transformer is to be used to provide power for a computer disk drive that needs 5.8 V (rms) instead of the 120 V (rms) from the wall outlet. determine the current in the primary
question1a 75 kg human sprinter is able to accelerate from rest to 12 ms in 3.3 s. all through the same interval a 33
The surface tension of water is 0.0730 N/m. What is the height of the water in a capillary tube of diameter 1.00 mm
Two objects attract each other gravitationally with a force of 2.5 x10-10 N while they are 0.33 m apart. Their total mass is 4-kg. Find out their individual masses.
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. Determine the speed of each disk after the collision
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.170 .
A 70kg hiker climbs to the second base camp on Nanga Parbat in Pakistan, at an altitude of 3900m, starting from the first base camp at 2200m. The climb is made in 4.7hr. Calclate the following A)the work done against gravity B) the average power outp..
Suppose a light bulb is rated for a voltage of 1.8 V. At this voltage is draws a current of 0.054A, Using Ohm's Law, determine the resistance of the bulb
A particular race car can cover a quarter mile track (402 m) in 7.00 s starting from a standstill. what horizontal force must the road exert on the tires
how to compute the fraction of silver in the crown.
A juniper-wood plank measuring 0.36 ft by 1 ft by 15 ft is totally submerged in water. What is the buoyant force acting on it
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