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A 15 kg block is on a ramp that is inclined at 20° above the horizontal. It is associated by a string to a 19kgmass that hangs over the top edge of the ramp. Assuming that frictional forces might be neglected, what is the magnitude of the acceleration of the 19kg block?
A steel wire with mass 29 g and length 1.23 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. (a) Compute the linear density of the string. kg/m (b) What velocity wave on the string will produce the desired fundamen..
An optical engineer needs to ensure that the bright fringes from a double slit are 15.7 mm apart on a detector that is 1.61 m from the slits. how far apart should the slits be
A sphere of radius R1=24.5cm and mass M=1.20kg starts from rest and rolls without slipping down a 30 degree incline that is 10.0m long. Calculate its translational and rotational speeds when it reaches the bottom
An 20cm--long bicycle crank arm, with a pedal at one end, is attached to a 25cm--diameter sprocket, What is the tangential acceleration of the pedal
A +4.6-µC charge experiences a 0.42 N force in the positive y direction. If this charge is replaced with a -1.0 µC charge, what force will it experience
In an electricity experiment, a 0.800g plastic ball is suspended on a 51.0cm long string and given an electric charge. what is the tension of the string
At the Indianapolis 500, you can measure the speed of cars just by listening to the difference in pitch of the engine noise between receding and approaching cars. Evaluate how fast is it going
Wrap a rubber band around your fingers. Pluck it a few times. Can you see and feel the vibrations? The harder you pluck the rubber band, the more it will vibrate, creating a louder sound.
An 50.0 N box is pulled 25.0 m up a 35.0° incline by an applied force of 100.0 N that points upward, parallel to the incline. Calculate the change in the kinetic energy of the box
A train consists of 4300kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second 16,300 kg. with what force in newtons do the boxcars pull on each other
If you are driving 108 km/h alonga straight road and you look to the side for 1.0 s, how far do you travel during this in attentive period
A certain corner of a room is selected as the origin of a rectangular coordinate system. what is the location of the fly in polar coordinates
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