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A lab technician utilizes laser light with a wavelength of 650 nm to test a diffraction grating. When the grating is 40.7cm from the screen, the first-order maxima appear 6.10cm from the center of the pattern. How many lines per mm does this grating have?
An at wood machine consist of 2 masses Ma and Mb, which are linked by an inelastic cord of legible masses that pieces over a pulley. if the pulley has radius Ro and moment of inertial I about its axle, decide the acceleration of masses Ma and Mb, and..
questionone end of a spring is attached to ceiling and it is hanging straight down with a relaxed length l0. it has a
Two equally charged particles are held 3.9 x 10-3 m apart and then released from rest. Determine the mass of the second particle
An airplane flies due south at 155km/h relative to the air. There is a wind blowing at 89 km/h to the east proportionate to the ground. What are the plane's speed and direction relative to the ground.
0.80 m and the mass of the particle the bob at the end of the cable is 0.24 kg. the pendulum is pulled away from its
A banked circular highway curve is designed for traffic moving at 77-km/h. The radius of the curve is 153 m. Traffic is moving along the highway at 46-km/h on a rainy day. What is the minimum coefficient of friction between tires and road that wil..
What velocity must be transferred to the spacecraft to crash it into the sun? Assume it is initially in a solar circular orbit, at the same distance from the sun as the Earth. What velocity must be transferred to the spacecraft so that it will escape..
A pair of closely spaced parallel conducting plates, charged with equal and opposite electric charges, produces a uniform electric field in the region between them. What must the strength of the electric field be
A ball is released from the top of a cliff; it hits the ground 1.6 seconds later. Assuming the ball is a free falling object, how many meters is the cliff above the ground below
The skis have a thrust of 190 . Sam's speed at the bottom is 35.0 . Illustrate what is the coefficient of kinetic friction of his skis on snow?
A police car is traveling east at 40.0 m/s along a straight road,overtaking a car ahead of it moving east at 30.0 m/s. What is thewavelength behind the police car in meters
Find the triple point pressure of a constant-volume gas thermometer if its pressure is 0.399 atm at a temperature of 109° C
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