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An object at rest explodes into three pieces. Two of them are equal in mass and break off at an angle of 88.7° to each other, both by a speed of 33.4 m/s. The last piece has 4 times as much mass as each of the other pieces. What is the magnitude of the velocity of the last piece?
The weight of your 1205-kg car is supported equally by its four tires, What gauge pressure is required to give an area of contact of 112 cm2 for each tire
Consider a Ferris wheel in which the chairs hang down from the main wheel via a cable. The cable is 2.0 m long and the wheel is 24 m in diameter. Find the speed of the chair
A 78 person sits on a 3.6 chair. Each leg of the chair makes contact with the floor in a circle that is 1.0 in diameter. Find the pressure exerted on the floor by each leg of the chair
The suspension system of a 2100 kg automobile "sags" 12 cm when the chassis is placed on it. Also, the oscillation amplitude decreases by 57% each cycle. Estimation the values of (a) the spring constant k and (b) the damping constant b for the spring..
a sledge loaded with bricks has a total mass of 17.7 kg and is pulled at constant speed by a rope inclined at 19.5deg
a spring is hung from a ceiling and an object attached to its lower end stretches the spring by a distance of 5.00 cm
two forces f1 and f2 have magnitudes 335 and 478 pounds respectively and act on a body at an angle of 45 degrees 40
A system of 1610 particles, each of which is either an electron or a proton, How many electrons are in this system
A model train moves along a horizontal circular track with a radius of 0.5 m. Starting from rest, What is the angular acceleration (in rad/s2) of the train
A worker on a scaffolding 65 ft above the ground needs to lift a 390 lb bucket of cement from the ground to a point 30 ft above the ground by pulling on the rope weighting 2 lb/ft . Set up the integral of how much work is required (just give the i..
A sphere of radius a in free space is nonuniformly charged over its surface such that the charge desity is given by ps(theta)=ps0*sin(2theta), Compute the total charge of the sphere
what common temperature must the two pieces be heated.
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