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A string provides a horizontal force which acts on a 500 N rectangular block at top right-hand corner. The length on top of block is 0.7m and the length on the side of the block is 1m. If the block slides with constant speed, find the tension in the string required to start to tip the block over. Answer in units of N
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
A 1.7kg object is at rest. A3N force to the right acts on theobject during a time interval of 1.5s. find the velocity of the object at the end of this interval
A Van de Graa? generator has a potential di?erence of 2.35 MV between the belt and the outer shell. What minimum power is needed to drive the moving belt
A compact 60.00 kg object is attached to one end of a horizontal 40kg uniform steel tube 2.40 m long. What is the distance from the loaded end to the center of gravity of object-tube system?
A freshly prepared sample of a certain radioactive isotope has an activity of 11.2 mCi. After 4.40 h, its activity is 8.00 mCi. Find the decay constant
A 9.0W laser beam shines on an ensemble of 1024 electrons, each in the ground state of a one-dimensional infinite square well 0.82nm wide. How many electrons can be so excited if the beam shines for 5.0ms
an ultrasonic transducer of the type used in medical ultrasound imaging is a very thin disk m 0.14 g driven back and
How much lift is exerted on the wings of an airplane that have atotal surface area of 102 m2 when the difference in air pressure below and above the wings is 4% of atmospheric pressure?
q1. a lighthouse that rises 49 above the surface of water sits on a rocky cliff that extends 19 from its base. a sailor
Two bodies of masses 20.1 kg and 14.6 kg move along the x-axis in opposite directions with velocities of 12.2 m/s -- positive x-direction and 10.9 m/s -- negative x-direction, respectively
when the cylinder is fully immersed does the buoyant force acting on it depend on how far below the surface of the
A solenoid with 1000 turns has a cross-sectional area of 7.0cm2 and a length of 25cm. how much energy is stored in the magnetic field of the solenoid
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