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Question: Suppose a ball thrown downward with initial velocity 3 m/s instead of being dropped a) what then would be its position after 1s and 2s ?
A diffraction grating 22.0mm wide has 6000 rulings. Light of wavelength 592nm is incident perpendicular on the grating. What is the largest value of theta at which maxima appear on a distant viewing screen
a ball rolls down a 100m.the hill is inclined at 60 degrees. if the ball has a rotational inertia of 10kg-m^2 and starts from rest, what is the final rotational speed of the ball?(you must use the conservation of energy)
a box of Cheerios (mass mC = 1.8 kg) and a box of Wheaties (mass mW = 2.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. what is the magnitude of the force on the Wheaties box from the Cheerios bo..
Assume equal amounts of energy are transferred by heat into equal-mass liquid samples of alcohol and water in separate insulated containers. How much will the alcohol rise in temperature
How long does it take for the top to complete first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
a model train moves along a horizontal circular track with a radius of 0.5 m. starting from rest the train
Monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10^(-10) s. The light the emerges will no longer be monochromatic. What will be the spread of the wavelengths?
q1. a superball with a mass of 62.50 g is dropped from a height of 1.70 m. it rebounds to a height of 1.47 m.what is
In 13.6 s, 220 bullets strike and embed themselves in a wall. What is the average change in momentum per second for the bullets
A 3.30-g copper coin at 21.0°C drops 45.0 m to the ground. (Assume the specific heat of copper is 387 J/kg · °C.) determine the coin's final temperature
A laser beam is incident at an angle of 29.2° to the vertical onto a solution of corn syrup in water. what is the index of refraction of the syrup solution
10g of lead (specific heat = 0.128 J/g C) at 100 C is placed on a glacier of ice at 0 C. How much ice melts
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