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If f(x) = 4sin (3x - 3Π/4). In the region between 0 and 2Π:
a) at what point(s) does f(x) = 0?
b) at what point(s) is f(x) at a maximum?
c) at what point(s) is f(x) at a minimum?
A block rests on a spring and oscillates with a frequency of 4Hz and an amplitude of 7cm. What is the speed of the bead at the instant when it loses contact with the block
A boat, lost in the fog, moves towards an unseen cost line at 10 meter per second. find the frequency of the sound that is heard on boat
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) Find the total tim..
The "size" of the nucleus in Rutherford's model of the atom is about 1.0 fm = 1.0 X10-15 m. Decide the repulsive electrostatic force among two protons separated by this distance. Decide (in MeV) the electrostatic potential energy of the pair of proto..
A 20cm radius centrifuge is spinning. If the test tube travels a distance of 50 meters around the centrifuge in 3 seconds, What is the period and frequency of the centrifuge
Determine the final gage pressure of the helium. Assume atmospheric pressure is 100 kPa.
Steam at 1200 degrees F has a specific volume of 0.0963 ft^3/lbm. Estimate the pressure of steam at this state using the ideal gas equation of state, evaluate the accuracy of each method
Two point charges lie along the y-axis. A charge of q1 = -9.5 %u03BCC is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
It again strikes the floor. Find (c) the time interval from when the ball was launched to when the ball strikes the floor and (d) the horizontal distance from the point where the ball was launched to the point where the ball strikes the floor.
Suppose the initial speed of the proton in the figure is increased. Does the radius of each half-circular path segment increase, decrease, or stay the same?
q1. a hot-air balloon is rising straight up with a speed of 1.83 ms. a ballast bag is released from rest relative to
A box of mass 86.0 kg is connected to a second box with a mass of 30.0 kg. find the magnitude of the tension in the string between the two boxes
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