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to focus a camera on objects at dissimilar distances the converging lens is moved toward or away from the image sensor
an object attached to a spring has simple harmonic motion with amplitude of 300 cm when the object is 173 cm from the
a driver travels northbound on a highway at a speed of 300 ms a police car travelling southbound at a speed of 380 ms
a telephone cord is 385 m long and has a mass of 0190 kg a transverse pulse is produced with plucking one end of the
for a certain transverse wave the distance among two successive crests is 120 m and eight crests pass a given point
a simple pendulum is swinging back and forth during a small angle its motion repeating every 118 s how much longer must
astronauts on a distant planet set up a simple pendulum of length 12 m the pendulum executes simple harmonic motion and
a horizontal spring is lying on a friction less surface one end of the spring is attaches to a wall as the other end is
a 35 kg block is released from a compressed spring whose spring constant is 640nm after leaving the spring at the
consider a mass spectrometer utilized to separate the two isotopes of uranium 238u3 and 235u3 assume the ions enter the
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a standard bowling ball weighs 19 pounds you wish to hold a bowling ball in front of you by the elbow bent at a right
an isosceles right triangular prism is made of crown glass by a refractive index of n ng 1520 for light of wavelength
the doppler shift of ultrasonic waves can gauge the speed of blood in an artery if the frequency of the stationary
through a thunderstorm 38 s elapses between observing a lightning flash and hearing the resulting thunder about how far
state condensed structural formulas for all five carbon aldehydes and ketones and the molecular formula is