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Light of wavelength 519 nm passes through a slit 5.50 × 10-6 m wide and falls on a screen that is 2.75 m away. What is the distance on the screen from the center of the central bright fringe to the third dark fringe on either side?
two resistors have resistances rsmaller and rlarger where rsmaller lt rlarger. when the resistors are connected in
In being served, a tennis ball is accelerated from rest to a speed of 48.0 m/s. The average power generated during the serve is 2920 Watt. obtain the force acting on the ball
A wooden raft has a mass of 90 kg. When empty it floats in water (density 1000 kg/m3) with 67% of its volume submerged. What mass of sand can be put on the raft without it sinking
A satellite is in a circular orbit 1000 km above the Earth's surface; i.e., it moves on a circular path under the influence of nothing but the Earth's gravity. Find the time it takes to complete one orbit around the Earth
A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end as in the figure below. The right end of the beam is supported by a vertical column.
A rock fell off a cliff and hit the ground with a speed of 16 m/s. How high is the cliff? Please use correct significant figures.
An engine based on the Stirling cycle uses 2.2 kg of N; as its working fluid. 570 kJ of heat enters at a temperature of 850 K during each cycle. Heat is exhausted at 330 K. You may neglect the temperature dependence of the specific heat in this probl..
An object carries a charge of -8.0 microC, while another carries a charge of -2.0 microC. How many electrons must be transferred from the first object to the second
a hockey puck on a frozen pond with an initial speed of 18.9 ms stops after sliding a distance of 240.3 m. calculate
a bullet leaves a rifle with a muzzle velocity of 521 ms. while accelerating through the barrel of the rifle the bullet
A puck on a horizontal frictionless table is attached to a string that passes through a hole in a table. Explain what happens to the puck's angular momentum
A meter stick with a mass of 0.159kg is pivoted about one end so it can rotate without friction about a horizontal axis. Calculate the angular speed of the stick
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