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almost the entire volume of mercury in a thermometer is contained in the bulb the remainder extends up into a capillary
a find the force p that must be applied to a piston of area 1110 cm2 to produce sufficient fluid pressure to support a
a woman stands on a scale in a moving elevator her mass is 695 kg and the combined mass of the elevator and scale is an
at an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis people sit in
1 if the h3o of a solution is0000005 m its ph is2 calculate the ph and poh of a solution that has an oh- concentration
when a 11 kg mass is hung from a spring it is found to stretch by 11 cm the spring is stretched an additional 5 cm and
a machine carries a 50 kg package from an initial position of di 050 m i 075 m j 020 m k at t 0 to a final position
a 13 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive
an astronaut on a distant planet wants to determine its acceleration due to gravity the astronaut throws a rock
a scientific calculator draws 060ma of current from a 60v battery pack in 20 minutes of operation how many electrons
a dentist uses a mirror to examine a tooth that is 125 cm in front of the mirror the image of the tooth is formed 50 cm
impact of flooding stress on plants and cropsfactors favouring occurrence of waterlogging and submergence increasing
a liquid 165 gcm3 flows through two horizontal sections of tubing joined end to end in the first section the
steam produced in a boiler is frequentlywet --- that is it is a saturated mixture of vapour and entrained liquid
calculate the critical angles for the following materials when surrounded by air assume that 589 nma sodium
a plastic light pipe has an index of refraction of 142 for total internal reflection what is the minimum angle of
a laser beam is incident at an angle of 420deg to the vertical onto a solution of corn syrup in watera if the beam is
a converging lens is placed 200 cm to the right of a diverging lens of focal length 70 cm a beam of parallel light
an object is placed 19 cm to the left of a converging lens of focal length 30 cm a diverging lens of focal length 10 cm
a proton is located at x10nm y00nm and electron is located at x00nm y40nm find the attractive coulomb force between
charges of 40 uc and -60uc are placed at two corners of an equilateral triangle with sides of 010m at the third corner
a rocket with a mass of 29times106 kg has a relativistic kinetic energy of 25times1023 jhow fast is the rocket
in a certain electroplating process gold is deposited by using a current of 140 a for 19 minutes a gold ion au has a
a block of aluminum weight 1400 g is cooled from 984 degrees celcius to 622 degrees celcius with the release of 1080 j
the cosmic background radiation permeating the universe has the spectrum of a 27 k thermal radiator what is the peak