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A uniform rod ( L = 3.0 meter) and mass (M = 1.0 kilogram) is pivoted about a horizontal frictionless pin through one end. The rod is released from rest at an angle of 30 degree below the horizontal. Determine what is the angular speed of the rod when it passes through the vertical position? (The moment of inertia of the rod about the pin is 3.0 kg .m2). (g = 9.8 m/s2).
Answer in rad/s.
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
A 5.00 uF and a 7.00 uF capacitor are connected in series, and this combination is connected across a 48.0V potential difference. Calculate the potential difference across first one
An infinitely long line of charge has a linear charge density of 5.00×10−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 2000 m/s. Explain how close does the proton get to the line of charge?
A fire hose 10 cm in diameter delivers water at the rate of 22 kg/s . The hose terminates in a nozzle 2.1 cm in diameter. What is the flow speed in the nozzle
You propose a new temperature scale with temperatures given in ?M. You define 0.0 ?M to be the normal melting point of mercury, What is the normal boiling point of water
A 5.0 kg box is pushed with a force of 12N across a smoothfloor for a distance of 10 meter. Calculate the total work done on the box
A metal sphere A has charge Q. Two other spheres, B and C, are identical to A except they have zero net charge. How much charge is on each sphere
two stationary point charges of 3.00 nc and 2.00 nc are separated by a distance of 55.0 cm. an electron is released
Consider a region of space with volume 32 mm3. Suppose the energy stored in the electric field of that particular region of space is 87 J. evaluate the average electric field strength in this region
A seagull flies at a speed of 10m/s directly into the wind. Knowing that it takes the bird 25 min to travel 8km relative to the earth, find the velocity of the wind. How long will it take the seagull to travel a distance of 12km with the wind?
A space traveler weighs 750 N on earth. Illustrate what will the traveler weigh on another planet whose radius is three times that of the earth and whose mass is twice that of the earth.
A time-dependent force, Fvecbold = (7.50i hat bold ? 4.05tj hat bold), How far is the object from its initial position when its speed is 15.0 m/s
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