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A long solid cylinder(R = 0.8 m) hinged at point A is used as an automatic gate. When the water level reaches 5 m, the gate opens by turning about the hinge at point A.
(a) Determine the hydrostatic force acting on the cylinder and its line of action when the gate opens.
(b) Determine the weight of the cylinder per m length of the cylinder. (density of water = 1000 kg/m3 and g = 9.81 m/s2)
An object is 13 cm in front of a convex mirror whose focal length magnitude is 9 cm. What is the magnitude of the distance from the image to the mirror?
An observer in frame S standing at the origin observes two flashes of colored light separated spatially by ?x = 2980 m, Find the magnitude and direction of v.
The work done by an external force to move a 6.50 uC charge from point a to point b is 0.0240 J. The charge started from rest, Find the potential difference, Vba between points
You are driving east on 8th Street (Tamiami Trail) at a speed of 30 mph. What is the frequency of the siren
A ring of radius R has total charge Q. Determine the electric field strength at this point
Two 19 Ohm resistors connected in parallel are then connected in series to a 10 Ohm resistor. What is the current through the 10 Ohm resistor
An 7.60-cm-diameter, 310 sphere is released from rest at the top of a 1.70-m-long, 20.0 incline. What is the sphere's angular velocity at the bottom of the incline
If a car is involved in an accident and its skid marks measure 211.25 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
Find the frequency f and period T of particle's motion. Find an expression for the velocity of the particle as a function of time. What is its maximum speed?
If the near-point distance of the jeweler is 21.8cm, find the angular magnification when the diamond is held 5.74cm from the magnifying glass
How much time would it take for her to emit a net radiant.
Tarzan spies a 40kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.4s after beginning his swing,
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