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A household wine is measured to be 14.5 % v/v ethanol. What volume of ethanol would be contained in two bottles of wine if each bottle has a volume of 750 mL?
23.0 mL of anaesthetic is added to distilled water to make a 200 mL solution. What is the % V/V of the new anaesthetic solution?
A pharmacist adds distilled water to 4.00 g of a powdered drug. The final volume of the solution is 40.5 mL. What is the % W/V of the solution?
A 0.400 kg object is swung in a vertical circular path on a string0.460 m long. If its speed is3.60 m/s at the top of the circle, what is the tension in the string there
Two 6.0 uC charges are placed on the x-axis at, one at x=0.0 and the other at x=1.0m. Another charge, -3.0uC is also on the x axis, what is the total electric field at position x=0.25m
Mary observes damped oscillations of a glider on air track. she observed that the amplitude decreased to 30% of its original value after 12s
A train starts from rest and accelerates uniformly, until it has traveled 5.4 km and acquired a velocity of 31 m/s the train then moves at a constant velocity of 31 m/s for 400s. How far does the train travel in total
an artillery piece is aiming at a target on a cliffacross a river. the horizontal distance of the target from the gunis 300 meters, what is the maximum height reached by the shell fired from the gun
A 2.2-kg mass attached to a spring oscillates with an amplitude of 9.0 cm and a frequency of 5.0 Hz. What is its energy of motion
A paperweight consists of a 9.00-cm thick plastic cube. Within the plastic a thin sheet of paper is embedded, what is the index of refraction of the plastic
A tennis player tosses a tennis ball straight up and then catches it after 3.40 s at the same height as the point of release. What is the maximum height (in m) the ball reaches
In a physics lab, a student discovers that the magnitude of the magnetic field at a certain distance from a long wire is 3.0μT. What is the distance of the magnetic field from the wire
Another student bumps the field-producing device so that the electric field is now (23.7 N/C)i + (15.5 N/C)k, What is the new electric flux through the hoop
The siren on an ambulance is emitting a sound whose frequency is 2650 Hz. The speed of sound is 343 m/s. find the wavelength and frequency of the sound you hear
The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base. Evaluate how far does he slide?
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