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Q. Water travelling at a speed of 0.10 m/s enters a pipe with a 1.00 cm radius. At what speed does it emerge from a section of pipe with the radius of 1/2cm?
Q. A balloon of volume 4.20 m3 contains argon gas at a pressure of 6.60 x10^5 Pa and room temperature (20 C). What is the total internal energy of gas?
A series of small machine components being moved by a conveyor belt passes over a 140-mm-radius idler pulley. At the instant shown, the angular velocity of the idler pulley is 5 rad/s clockwise. If the total acceleration of point B is 2400 mm/s2, wha..
A blacksmith heats a 1.9 kg iron horseshoe to 480 degree C, then plunges it into a bucket containing 10kg of water at 20 degree C. The specific heat of iron is 447 J/kgK. What is the final temperature.
A spring has k = 96 Nm. use a graph to determine the work needed to stretch it from x=3.8 cm to x=6.1cm, where x is the displacement from its unstretched length.
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
A beam of parallel rays from a 24 MHz citizens band radio transmitter passes between two electrically conducting (hence opaque to radio waves) buildings located 45.00 m apart. What is an angular width of the beam as it emerges from between the buildi..
A 2 g lead (cp = 128 J/kg•°C) bullet travelling at 325m/s is stopped by the large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet whereas the other half is transmitted to the tree, wha..
A box of books weighing 327 N is shoved across the floor by a force of 471 N exerted downward at an angle of 35° below the horizontalIf μk between box and floor is 0.52, how long does it take to move the box 4.80 m starting from rest.
On a certain amusement park ride, passengers are seated in a horizontal circle of radius 7.5m. the seats begin to rotate from rest and are uniformly accelerated for 21 seconds to a most rotational speeds of 1.4 rad/s.
Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.
Define the carrier power, total power and sideband power in the AM signal.
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source compare to those behind it?
make sure to label the graphs with units and values to indicate any critical points of the ball's motion.
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