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Problem: A small object moves at constant speed in a horizontal circle of radius 0.210 m. If the object makes two complete revolutions in one second,
Part A: What is the magnitude of the acceleration of the object?
I want help to determine the magnitude of the acceleration of the object.
One end of a 0.23-m copper rod by a cross-sectional are a of 1.19*10-4 m2 is driven into the enter of a sphere of ice at 0° C (radius = 0.16 m). The portion of the rod that is embedded in the ice is also at 0° C. The rod is horizontal and its other e..
Two narrow slits separated by 1.0mm are illuminated by 559nm light. Find the distance between adjacent bright fringes
A sound wave, traveling at 357 meter per second, is emitted by the foghorn of a tugboat. An echo is heard 1.73 second later. Determine how far away is the reflecting object
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
In a swimming race, a father gives his 4 year old son a 10 s head start. The pool is 25 m long. Find at what time does the father come alongside his son
The starter motor of a car engine draws an electric current of 26.0 A from the battery. The copper wire to the motor is 4.60 mm in diameter and 1.34 m long. The starter motor runs for 0.85 s before the car engine starts up. How much electric charge p..
A hand grenade of total mass 5 kilogram explodes into two pieces. One, of 4 kilogram flies off at 10 meter per second. Determine how fast does the other one move
Two identical, small insulating balls are suspended by separate 0.31-m threads that are attached to a common point on the ceiling. determine the tension in the threads
tell me how you expect the intensity of light to vary as you move away from the light. tell me why you think this is
Without taking the existence of the nebula into consideration, based on its apparent magnitude, how far away does the star in part (b) appear to be? What would the propotion error be in determining the distance if interstellar extinction were negl..
light of wavelength 696 nm is incident on a single slit. the central bright fringe is 2.63 cm wide on a flat screen
There are 2 spaceships, A and B, that approach the earth from opposite directions. Now according to an observer on spaceship A,she approaches the earth at 0.7c. According to an observer onspaceship B, he approaches the earth at 0.85c.
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