Conditional probability that the card
A card is drawn at random from a standard 52-card deck. The conditional probability that the card is a 2 given that a 2 or a 3 was drawn is
A) 20.0% (1/5)B) 25.0% (1/4)C) 33.3% (1/3)D) 50.0% (1/2)
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A wave moves on a string with wavelength λ and frequency f. a second wave on the same string has wavelength 2λ and travels with the same velocity. What is the frequency of the second wave?
If it takes 17.5 seconds for the dragster to reach 1/10 of its top speed, what is the value of the constant, A. What is the peak magnitude of the acceleration experienced by the driver during the race?
A mass vibrates back and forth from the free end of an ideal spring of spring constant 20 N/m with an amplitude of .25 m. what is the maximum kinetic energy of this vibrating mass?
Objects A, B, & C make up a closed system. A has a charge of 53 C and is traveling east. B has a charge of 50 C and is traveling west. C has a charge of -62 C and is traveling north. All three collide with each other. After the collision A is
A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What is the orientation of the reflected and transmitted pulses?
Suppose in the procedure to extract tert-butylphenol from the ether layer you accidentally added the second 10 mL of NaOH to the first 10 mL of NaOH instead of to the ether layer as specified in the procedure.
Calculate the height h of the ball above the nozzle. Assume that the stream remains intact and there is no energy lost in the jet stream.
The helicopter and the sensor both move only in the horizontal direction and have a horizontal acceleration of magnitude 2.87 m/s2. Ignoring air resistance, find the tension in the cable towing the sensor.
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