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A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.860 m/s at an angle of 34.2° above the table, and it lands on the magazine 0.0750 s after leaving the table. Ignore air resistance. How thick is the magazine? Express your answer in millimeters.
Two laser beams fall on a screen and illuminate small circular areas. What is the minimum distance between the centers of the circles in order for an observer
an electron experiences a magnetic force with a magnitude of 4.60times10?15 when moving at an angle of 60.0 with
A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the book relative to the floor
A flywheel has a constant angular deceleration of -2.99 rad/s2. Find the time required for the flywheel to come to rest
A physics professor requires reading glasses with +1.6 D power toread a book held 39.1 cm away with a relaxed eye. Assume theglasses are 2.5 cm in front of his eyes. What is his uncorrected far point
a voltmeter is used to read the potential difference accross the poles of a battery.the battery is rated at 20 v. the
An electron moves through a uniform electric field = (2.30 + 4.90) V/m and a uniform magnetic field = 0.400 T. Determine the acceleration of the electron when it has a velocity = 12.0 m/s. ax = m/s2 ay = m/s2 az = m/s2
a 1.6kg wood block is pulled along a wood floor at a steady speed. a second wood block with mass 4.2kg is attached to
In an experiment designed to measure the speed of light, a laser is aimed at a mirror that is 47.0 kmdue north. A detector is placed 120 m due east of the laser. The mirror is to be aligned so that light from the laser refelects intothe detector.
A 13 kg dog is standing on the edge of astationary, frictionless turntable of rotational inertia 95kg·m2 and radius 2.05 m.The dog walks once around the turntable. What fraction of a fullcircle does the dog's motion make with respect to the ground?
in millikans experiment an oil drop of radius 2.197 microm and density 0.848 gcm3 is suspended in chamber c when a
A car is traveling with a speed of 17.0 m/s along a straight horizontal road. The wheels have a radius of 0.290 m. find the angular displacement of each wheel during this period
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