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A machine in an ice factory is capable of exerting 2.86 × 102 N of force to pull large blocks of ice up a slope. The blocks each weigh 1.21 × 104 N. Assuming there is no friction, what is the maximum angle that the slope can make with the horizontal if the machine is to be able to complete the task?
Define self-excited vibration - problem relates to self-excited vibration of a SHM in physics.
An ideal transformer's primary has 2000 turns and secondary has 50 turns. The primary is connected to a source of 120 V, Find the current in the secondary
A prism is made from a certain type of glass, and has a cross section shaped like an equilateral triangle. The indices of refraction for the red and violet light in this type of glass are 1.646 and 1.680, respectively. The angle of incidence for both..
While the microphone is inside the tube it may be at the center or close to the wall. How would it affect the measurement
A propeller is modeled as five identical uniform rods extending radially from its axis. The length and mass of each rod are 0.793 m and 2.97 kg, what is its rotational kinetic energy
question a ball is thrown upward from a platform 4.0 m high with a speed of 23 ms at an angle of 37o from the
If one of the crystal faces is matted (flat or reflecting) draw a picture and show how the x-rays travel, reflect and diffract on the first 2 layers of the atoms. Indicate the position of the detector in relation to the source and the crystal.
April Moon set a record in flight shooting. In 1981 in Utah, she sent an arrow a horizontal distance of 950 m. What was the speed of the arrow at the top of the flight
After our Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state, Calculate the free-fall acceleration at its surface
A charged particle of mass .0020kg is subjected to a 5.0T magnetic field that acts at a right angle to its motion. what is the magnitude of the charge on the particle
A small block with mass 0.0475kg slides in a vertical circle of radius 0.0710m on the inside of a circular track. What is the magnitude of the normal force that the track exerts on the block when it is at the top of its path
A typical person can detect light with a minimum intensity of 4.0 X 10-11 W/m2. For light of this intensity and A = 550 nm, how many photons enter the eye each second if the pupil is open wide with a diameter of 9.0 mm?
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