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A 5 x 10^3 Newton weight is held suspended in equilibrium by two cables. Cable one applies a horizontal force to the right of the object and has a tension, T1. Second cable applies a force upward and to the left at an angle of 37o to the negative x-axis and has a tension, T2. Find what is the tension in first cable?
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. If all of the rotational kinetic energy of the blade could be converted to gravitational potential energy, to what height would the blade rise
A 6000 kg freight car rolls along rails with negligible friction. The car is brought to a rest by a combination of two coiled springs, What was the initial speed of the car
The plane has a telescopic bombsight set so that the bomb hits the target seen in the sight at the moment of release. At what angle from the vertical was the bombsight set
A small ball rolls off the roof edge of a building with a horizontal speed of 2.3m/s. The ball hits the ground a distance of 15.8m from the building's base. Calculate the following: A) the height of the building and the velocity of the ball prior to ..
A discus thrower (with arm length of 1.2 m) starts from rest and begins to rotate counterclockwise with an angular acceleration of 1.5rad/s2. What is the tangential acceleration of the discus thrower at this point
a certain particle is sent into a uniform magnetic field with the particles velocity vector perpendicular to the
Light from a He-Ne laser (= 632.8) strikes a pair of slits at normal incidence, forming a double-slit interference pattern on a screen located 1.10 from the slits. The figure shows the interference pattern observed on the screen.
a uniform 30 kg ladder length 8.50 m leans against a smooth vertical wall. the base of the ladder is 12 ft from the
An astronaut is rotated in a horizontal centrifuge at a radius of 7.5 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.4g? (b) How many revolutions per minute are required to produce this acceleration.
1 a resistor and a capacitor are connected in series to an ac generator which is initially set to 120 v rms and a
After a hard rain, you walk out into the parking lot and notice an oil sheen on top of a puddle of water. When viewed from directly above, What is the minimum thickness of the oil
An RLC circuit is used in a radio to tune into an FM station broadcasting at f=99.7 Mhz. What capacitance should be used
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