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Two crates, of mass 77 kg and 108 kg, arein contact and at rest on a horizontal surface (Fig. 4-47). A 729 Nforce is exerted on the 77 kg crate.If the coefficient of kineticfriction is 0.15, calculate the following: the force that eachcrate exerts on the other, Acceleration is 2.5
A candle is placed 16.85 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
q1. determine the displacement of a simple harmonic wave of amplitude 9.60 m at t 0.71 s. assume that the wave number
A farm tractor tows a 3550-kg trailer up a 18?incline with a steady speed of 3.0 m/s. What force does the tractor exert on the trailer
A convex spherical mirror with a radius of curvature of 14.5 cm creates a virtual image one half the size of the real object. Where is the object.
A projectile is launched with a initial velocity of magnitude a at a angle B to the horizontal. Find its maximum vertical displacement
questionnbspnbspa particle has initial velocity 5 ms due east and acceleration 2 ms2 due west. find the distance
A heart pacemaker fires 66 times a minute, each time a 29.0-nF capacitor is charged (by a battery in series with a resistor) to 0.632 of its full voltage
A 0.500-kg mass on a spring has velocity as a function of timegiven by vx(t) = (3.60cm/s) sin[(4.71s-1)t -?/2]. compute the force constant of the spring
A 400kg bead slides on a curve frictionless wire, startingfrom rest at point A. Find the distance the ball rises asit moves up the wire
A pair of speakers separated by 0.700m are driven by the same oscillator at a frequency if 690Hz. an observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers.
A bicycle wheel of radius 0.4 m is spinning at a rate of 65 revolutions per minute. find the centripetal acceleration of a point on the edge of the wheel
One of the attempts to contain the spill involved pumping drilling mud into the well to balance the pressure of escaping oil against a column of fluid (drilling mud) having a density significantly higher than that of seawater and oil.
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