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an object weighing 305 n in air isimmersed in water after being tied to a string connected to abalance the scale now
the coefficient of static friction between the m 290 kg crate and the 350degincline of the figure below is 0320what
a hydrogen atom consists of a proton and an electron if the orbital radius of the electron increases then the potential
at 46 oc a sample of ammonia gas exerts a pressure of 319 atm what is the pressure when the volume of the gas is
two converging lenses each of focal length 165 cm are placed 398 cm apart and an object is placed 300 cm infront of the
propose a mechanism involving a hydride shift or an alkyl shift for this solvolysis reaction all compounds involved in
a body is traveling at 40 ms alongthe positive direction of an x axis no net force acts onthe body an internal
if i add 25ml of a 2m naoh from a buret to 25ml of 2m hclo 9 hypochlorous acid in a beaker the total volume of the
a neutron mn 9396 mevc2 atrest decays into a proton mp 9383mevc2 an electron me 5mevc2 and an antineutrinommu 0
a cylinder of mass 110 kg rolls without slipping on a horizontal surface at time t its center of mass hasa speed of 140
a stationary detector sends out a sound wave of frequency0305 mhz toward an approaching car the speed of the car is
33 a coffee cup calorimeter is used to determine the specific heat of a metallic sample the calorimeter is filled with
a 2000 kg truck traveling north at 41 kmh turns east andaccelerates to 57 knh what is the change in thetruckrsquos
calculate the mass in grams of hydrogen chloride produced when 560 l of molecular hydrogen measured at stp reacts with
the figure below shows a resistor of resistance r 616omega connected to an ideal battery of emf 149 v bymeans of two
a 01236-g sample of an unknown monoprotic acid was dissolved in 258 ml of water and titrated with 00680 m naoh solution
a billiard ball of radius a and mass m is initially spinningcounterclockwise about a horizontal axis with angular
an astronomical telescope for hobbyists has an angularmagnification of -210 the eyepiece has a focal length of 386 mma
an object is placed 18 cm to the leftof a converging lens of focal length 29 cm a diverging lens of focal length8 cm is
explain the principle of the bp analysis technique why does the sample liquid bubble out of the bell then runs back up
my chemistry teacher tells us that there is an equation to determine how many possible structural isomers there is in
a 2575-kg can runs into the back of an 825-kg compact car at rest they move off together at 85 ms assuming that the
in a ballistics test at the police department officer rios fires a 60gram bullet at 350ms in to a container that stops
golf rocky strikes a 0058-kg golf ball with a force of 272 n and gives it a velocity of 620 ms how long was rockys