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a what is the natural frequency of a spring -block system if the mass of the block is 05 kg and the spring constant is
an 800 kg car starts from rest and travels a distance of 750 m in 50 seconds which of the following is the correct net
a box moving on a horizontal surface with an initial velocity of 20 ms slows to a stop over a time period of 50 seconds
explain the two ways you can increase electric potential of any system involving a charged
a charged particle with charge q is accelerated from rest by a uniform time independent electric field ea derive an
define what a series circuit is if resistors a b c and d are connected one after the other which means they are in
a 25 kg bumper car moving to the right at 5 ms overtakes and collides elastically with a 35 kg bumper car moving to the
after walking for 60 min on the way to school a child discovers that her loonie is missing and there is a hole in her
a track has a shape given by the formula yx a x2 where x is the horizontal coordinate y is vertical and a is a
light is one kind of electromagnetic waves describe what are called constructive and destructive interferences and what
two children are sliding down a snowy hill which is inclined by 435 degrees with respect to horizontal one has a rough
consider a block-spring system as shown below the spring has a spring constant of 133 nm while the block has a mass of
electric winch pulley systems like the one shown below are often used to place equipment into the ocean from a research
a block of mass 47 kg starts at rest at the top of a frictionless ramp that makes an angle of 334 below the horizontal
a container contains 39 l of gas at a temperature of 32degc what is the volume of gas if the temperature increases to
given the following information regarding a hood static pressure of -3 in h2o and a velocity pressure of 3 in h2o what
an ideal gas that expands isothermally from v1 to v2 does an amount of work equal to knt ln v2v1 suppose that a given
1 air with a mass of 054kg initially at 200degc occupies a space of 045m3nbspinside of a balloonthe gas is heated and
a body is executing simple harmonic motion with amplitude a what is the total distance traveled by the body in a time
a an astronomer obtains the spectrum of a white dwarf star and determines that it peaks in the ultraviolet at lambda
a typical american household uses 265 kw-hour of electricity per day and that electricity is mostly supplied by fossil
a typical laptop consumes 60-120 w of power depending on usage using an average power consumption what is the monthly
a raindrop of mass 218 g is falling through the air being acted on by both weight force and drag force the latter
water with a density of rho 1155 kgm3 flows in a horizontal pipe in one segment of the pipe the flow speed is v1 533
a 129-kg horizontal platform is a uniform disk of radius 157 m and can rotate about the vertical axis through its