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A particle is located at the vector position r=(4.00i+6.00j)mand a force exerted on it is given by F=(3.00i+2.00j)N.
A) What is the torque acting on the particle about the origin?B) Can there be another point about which the torque caused by thisforce on this particle will be in the opposite direction and halfas large in magnitude?C) Can there be more than one of such point?D) Can such a point lie on the y-axis?E) Determine the position vector for such a point.
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
A mass-spring system oscillates with an amplitude of 4.60 cm. If the spring constant is 240 N/m and the mass is 435 g, determine the mechanical energy of the system. Calculate the speed of the sphere's CM at the bottom of the ramp. Determine the m..
Find the threshold energy that an incident neutron must have when striking an alpha particle to produce a deuterium and tritium nucleus
Suppose you hear a clap of thunder 15.80 s after seeing the associated lightning stroke. The speed of sound waves in air is 343-m/s, and the speed of light in air is 3.00x 10^8 m/s.
A 81.0kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s, it comes to rest in 2.10min with uniform acceleration. What braking force must its rockets provide
A rotating wheel requires 3.03-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.03-s interval is 99.0 rad/s
A 1.0-cm-diameter pipe widens to 2.0 , then narrows to 0.5 . Liquid flows through the first segment at a speed of 4.0. Speed of 2nd segment, and 3rd? Whats the vol flow rate?
A single household circuit operates at 120 V and is protected by a 10 A circuit breaker. How many 50 W lamps can be operated simultaneously without tripping the circuit breaker?
A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. obtain the potential difference between the two conductors
A typical adult human lung is about 2.05 liters and is made up of large numbers of small spherical cavities called alveoli. how many avioli are there in the lung
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
A heat pump moves heat from outside, where the temp is 1 degree C, to inside a building, where the temp is 20 degrees C, How much heat is dumped into the building in each cycle
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