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A diffraction grating with 343 lines/mm is 1.00 m in front of a screen. Discuss is the wavelength of light whose first-order maxima will be 13.7 cm from the central maximum on the screen?
A football is kicked at an angle of 37.0 degrees with a velocity of 20.0 m/s. calculate the velocity at the maximim height
when a match is lit the air surrounding it is ionized creating charged particles. are these charged particles positive
A 1840 W. radiant heater is constructed to operate at 115 V. What is the resistance (in ohms) of the heating coil
A block of mass m sliding on a frictionless table isattached to a string that passes through a narrow hole through thecenter of the table. Find the angular momentum of the block
an alpha particle charge2e mass 6.63x10-27 kg and a proton charge e mass 1.67x10-27 kg are separated by 3 micrometers.
A closed hollow sphere of radius R=60.0cm (the surface area of asphere of radius R is 4πR^2) is made of styrofoam havingthermal conductivity k=0.0450 watt/m celsius, find the thickness(assumed uniform) of the styrofoam wall of thehollow sphere
a one pound weight is released 3 feet off the ground. at the same time a two pound weight is released 5 feet off the
A ray of light is incident on the surface of a block of clear ice at an angle of 35.0 degrees with the normal. Find the angle between the reflected and refracted angle
A 10,000 Kg spaceship is traveling without power 500 m/s near an anomaly in space where the potential energy is U = -10-7r4 + 30 r2. how far from the anomaly can it get
q1. a 100 kg truck moving at 10 ms runs into a concrete wall. it takes 1.0 sec for the truck to completely stop. what
At the distance of the earth from the sun, the pressureexerted by sunlight is about 10-5 Pa. what acceleration does this force give it
The karat is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. What is the volume of gold in a 16.0-karat gold necklace whose weight is 1.15 N
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