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Suppose we take a 1 m long uniform bar and support it at the 23 cm mark. Hanging a 0.36 kg mass on the short end of the beam results in the system being in balance. Find the mass of the beam.
Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. find the force on each eyebolt holding the tightrope
A very early, simple satellite consisted of an inflated spherical aluminum balloon 30 m in diameter and of mass 20 kg. What is the gravitational force on the meteor from the satellite at the closest approach
Use conservation of energy to calculate the speed of the alpha particle at infinity. m/s (e) If the two protons are released from rest and the alpha particle remains fixed, calculate the speed of the protons at infinity. m/s
Vector and scalar quantities. Part (a) Which of the following below is a scalar quantity? Part (b) What information do vectors quantities convey? Part (c) Which of the following is a vector quantity?
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +7q, What is the ratio of the final charge on sphere C to q, What is the ratio of the final total charge on the three spheres to q
A 1.8 cm --tall object is 15 cm in front of a diverging lens that has a -18 cm focal length. compute Is the image erect or inverted
A 13 turn circular loop of wire has a diameter of 0.66m. The plane of the circular loop creates an angle of 63 to the Earth's magnetic field. In 0.15s the coil is flipped at a location where the magnitude of the Earth's magnetic field is 34 μT.
A 125 g wire is held under a tension of 218 N with one end at x = 0 and the other at x = 12.0 m. At time t = 0, pulse 1 is sent along the wire from the end at x = 12.0 m. At time t = 25.5 ms, pulse 2 is sent along the wire from the end at x = 0. A..
The movement of the water because of the tides will give kinetic energy to the turbine blades, causing them to spin. In the calculations that follow ignore any frictional drag because of the seawater.
What friction torque is required to reduce its angular speed from 80.0 to 51 in 27.
Find out the lengths of acceleration and deceleration phases
Two lenses, one converging with focal length20.0cm and one diverging with focal length? 11.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
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