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Question1
Assume you had done the latent heat of fusion experiment with ice that was considerably colder than 0 °C. What other value would you have needed to know in order to calculate the latent heat of fusion for the ice? Write down the new equation you would need to determine f L.
Question2
You can cook vegetables by dropping them into boiling water or by placing them in a basket over boiling water, put lid on the pot and steaming them. Which way do you think would be faster? Elucidate your reasoning clearly.
Water drives a waterwheel (or turbine) of radius R = 3.0 m as shown in the figure. The water enters at a speed v1 = 6.5m/s, What is the torque the water applies to the waterwheel
Two parallel conducting plates with the small gap of 1.0 cm are charged oppositely each other. What is the acceleration of the electron
How long will it take you to cover the 99 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.5 m/s relative to the walkway.
A 1200kg car (A) traveling due north at 25m/s collides with a 2000kg truck traveling due west at 18m/s. What is the velocity of the wreckage just after the collison
A standing wave on a string is produced when one end is fixed and the other is driven by a 76 Hz oscillator, what is the total length of the string in meters
Two cars are traveling along a straight line in the same direction, the lead car at 25.2m/s and the other car at 31.0m/s. At the moment the cars are 41.9m apart, the lead driver applies the brakes, causing her car to have an acceleration of -2.07m..
A racer starts her car from rest and accelerates at 10m/s2 for a distance of 400m (1/4mi)
A satellite is rotating around a planet in a circular orbit. The radius of the orbit to the center of the planet is R = 2.4*107 m, Express the magnitude of the centripetal acceleration of the satellite ac in terms of the speed of the satellite v, an..
A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. what is its activity (R) after it has been on the shelf for 2.0 h
Illustrate what was the impact on Mosby's 2012 net income as a result of this fair value hedge of a firm commitment?
A toy cannon uses a spring to project a 5.34 g soft rubber ball. The spring is originally compressed by 5.09 cm and has a force constant of 7.98 N/m. With what speed does the projectile leave the barrel of the cannon
A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts, What is the work function of the metal and what is the cutoff wavelength
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