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standing on a sidewalk you notice that you are halfway between a clock tower and a large building when the clock
a 50 kg crate is transferred to a lower level by means of an 8 m long frictionless slide the height of the top end of
material found with a mummy in the arid highlands of southern peru has a 164c activityg of carbon that is 785 of the
the power output of an autmobile engine is advertisted to be 220 hp at 600 rpm remeber 1 hp 7446 wattsa what is the
a solid spherical target which weighs 10 kg and has a radius of 25 cm rests on a frictionless table a 30 gram bullet
a bicycle wheel slows down uniformly to rest over a ditance of 45 m becuase the bicyclist sees something int he road
a 5 gram bullet is fired horizontally into a 15 kg block of wood suspended by a rope from the ceiling the block swings
a large balloon of mass 220 kg is filled with helium gas until its volume is 321 m3 assume the density of air is 129
a 10 kg wheel of radius 05 m is rotating at a rate of 40 rads about an axis through its center of mass the mass of the
on october 21 2001 ian ashpole of the united kingdom achieved a record altitude of 335 km 11000 ft powered by 600 toy
a small coil with n2 loops each of area a2 is placed inside a long solenoid near its center the solenoid has n1 loops
ice of mass 110 kg at 000deg c is placed in an ice chest the ice chest has 310 cm thick walls of thermal conductivity
a balloon is filled with 550 liters of helium at a pressure of 115 atm and a temperature of 275deg ca find the mass of
a pot containing 107 liter of water initially at 23degc is placed on a 1071 w electric heating elementa how much heat
an electron is moving east in a uniform electric field of 155 directed to the west at point a the velocity of the
the terminals of a 12-v battery are connected to parallel plates what plate separation would produce an electric field
charges q1 6 x 18-8 c and q2 - 6 x 109 c are separated by 01m what is the magnitude of the electric field midway
a rigid structure consisting of a circular hoop of radius r and mass m and a square made of four thin bars each of
the mass of venus is 80 that of earth while its radius is 95 that of earth what is the value of the acceleration due to
a 1-kg block on the moon has a weight of 162 n given that the moons radius is 1740 km calculate the moons
two children hang by their hands from the same tree branch the branch is straight and grows out from the tree at an
a harmonic wave has a frequency of v 40 hz and a wavelength of 7m the wave obtains a maximum displacement of ym 17m
a 70-kg stunt pilot pulls out a drive while flying at 50 ms if he flies a circular path with a radius of 200 m what
at 25c the resistance of a segment of gold wire is 61 ohm when the wire is placed in a liquid bath the resistance
a bus was initially traveling with a velocity of 50 kmhr east later it was observed traveling with a velocity of 100