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Three 0.50 kg particles form an equilateral triangle with 0.60 msides. The particles are connected by rods of negligible mass. What is the rotational inertia of this rigid body about (a) an axis thatpasses through one of the particles and is parallel to the road connecting the other two, (b) an axis that passes through the mid point of one of the sides and is perpendicular to the plane ofthe triangle, and (c) an axis that is parallel to one side of the triangle and passes through the midpoints of the other two sides?
q1. at a factory a noon whistle is sounding with a frequency of 491 hz. as a car travelling at 78 kmh approaches the
An underwater scuba diver sees the Sun at an apparent angle of 42.0° from the vertical. What is actual direction of the Sun
An unmanned spacecraft of mass 459 kg, is in a circular orbit around the earth, observing the earth's surface from an altitude of 58.3km. What is the period of the spacecraft's orbit
A 196-g aluminum calorimeter contains 612 g of water at 21° C. A 96-g piece of ice cooled to -21° C is placed in the calorimeter, Find the final temperature of the system, assuming no heat is transferred to or from the system
Two 1.0 g beads, each charged to +5.0 nC, are 2.0 cm apart. A 2.0 g bead charged to -10 nC is exactly halfway between them. What are the speeds of the positive beads
For the description of motion in two dimensions one may use Cartesian coordinates (x(t), y(t)), or plane polar coordinates (r(t), γ(t)), where x(t)=r(t)cos(γ(t)) and y(t)= r(t)sin(γ(t)). Rewrite the kinetic energy T= 1/2 m(x'^2+y'^2) in plane polar c..
A construction worker uses a steel tape to measure the length of an aluminum support column. what is the measured length when the temperature rises to 29.4°C
Compute the horizontal distance the ball
A 5* 10^2 kg hot air balloon takes off from rest at the surface of the earth. The non conservative wind and lift forces take the balloon up, doing +9.70*10^4J of work on the balloon in the process. At what height above the surface of earth does th..
Laser beam with wavelength 632.8 nm is aimed perpendicularly at opaque screen with two identical slits on it, What are the double slit characteristics (slit width, slit separation)
A uniform beam having a mass of 60 kg and a length of 2.8 meter isheld in place at its lower end by a pin. Its upper end leansagainst a vertical frictionless making an angle of 40 degrees withthe horizontal. What is the magnitude of the force by t..
Two hockey players strike a puck of mass 0.164 kg with their sticks simultaneously, exerting forces of 1.24 103 N, Find the instantaneous acceleration of the puck
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