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189.35 J of energy are transferred to a system in the form of heat while the internal energy decreases by 46.99 J. How much work is done by the system?
A 0.9 inch tall clock is 24 cm in front of a diverging lens which has a focal length of -33.5 cm. Paying attention to sign, answer the following questions. a. What is the image distance? cm b. What is the image's height?
A soprano saxophone is an open pipe. If all keys are closed, it is approximately 65 cm long. Using 343 m/s as the speed of sound, find the lowest frequency that can be played on the instrument.
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
A screen is placed 42.7 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 3.45 mm, what is the width of the slit.
The intersection is 15 m wide. Her car's maximum deceleration is -6.8m/s2, whereas it can accelerate from 43km/h to 70km/h in 8.1 s. Overlook length of her car and her reaction time.
A 130- baseball, moving along the axis with speed 35 , strikes a fence at a 45 angle and rebounds along axis with unchanged speed Give the - and - components of its change in momentum.
define the speed of the particle when the string is parallel to the electric field.
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90 degrees. What net force is exerted on the ship?
an 8.5 m long wire of resistance 20.6 \(\Omega\) carries a current of 6.6, What is the magnitude of the electric field in the wire
A bullet is fired at an angle of 60o with an initial velocity of 200.0 m/s. Explain how long is the bullet in the air? What is the maximum height reached by the bullet?
A 1000kg sports car accelerates from 0m/s to 33m/s in 13s. What is the average power of the engine
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