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a 20x microscope objective is designed for use in an oil immersion microscope with 16 cm tube length the lens is marked
a suppose a hockey puck slides down a frictionless ramp with an acceleration of 560 ms2 what angle does the ramp make
a car of mass m is on an icy driveway inclined at an angle 160deg as shown in the figurea determine the acceleration
a 320 kg steel ball strikes a wall with a speed of 100 ms at an angle of 600deg with the surface it bounces off with
a 690 kg person throws a 00400 kg snowball forward with a ground speed of 350 ms a second person with a mass of 590 kg
a 030 kg puck initially at rest on a frictionless horizontal surface is struck by a 020 kg puck that is initially
a coaxial cable has a capacitance of 30 pf the inner conductor has a radius of 10 mm and the outer conductor has an
a pendulum consists of a sphere of mass 18 kg attached to a light cord of length 105 m as in the figure below the
a 880-kg block of ice released from rest at the top of a 133m--long frictionless ramp slides downhill reaching a speed
your task in physics lab is to make a microscope from two lenses one lens has a focal length of 2 cm the other a focal
jill has just gotten out of her car in the grocery store parking lot the parking lot is on a hill and is tilted 3
a toy train is pushed forward and released at with a speed of 20 ms it rolls at a steady speed for 20 s then one wheel
the radius of the sun is 695 times 108 m it radiates heat at the rate of 542 times 1026 w assuming that it is a perfect
a 0400-kg bead slides on a frictionless curved wire starting from rest at pt a in the figure below where h 150m at
an initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not
a base ball has mass 0145 kga if the velocity of a pitched ball has a magnitude of 450 ms and the batted balls velocity
an electron traveling at a speed of 737 x 107 ms strikes the target of an x-ray tube upon impact the electron
a rocket is launched a t an angle of 530 degrees to the horizontal at 360 kmh and moves along a straight line with a
my clothes washer spins the wash at a speed of 833revmin to remove the water the drum is 215 inches in diameter what is
the beretta model 92s the standard-issue us army pistol has a barrel 127 rm mm long the bullets leave this barrel with
a dog searching for a bone walks 220 m south then 820 m at an angle 300deg north of east and finally 180 m west using
a 6500 kg bus traveling at 25 ms collides head on with a 1300 kg car traveling at 40 ms find the resulting velocity of
a person is riding a bicycle the wheels of a bicycle have an angular velocity of 205 rads then the brakes are applied
two newly discovered planets follow circular orbits around a star in a distant part of the galaxy the orbital speeds of
the drive propeller of a ship starts from rest and accelerates at 300 10-3 rads2 for 205 103 s for the next 195 103 s