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two masses where m2 6kg lie on a frictionless surface and are joined by a horizontal string of negligible mass and
a bullet leaves a rifle with a muzzle velocity of 521 ms while accelerating through the barrel of the rifle the bullet
show your work on the following problems1 a race car accelerates uniformly from 185 ms to 461 ms in 247 seconds
a child on a sled reaches the bottom of a hill with a velocity of 100ms and travels 250m along a horizontal
describe how noise and vibration hazards can affect the human body what are some methods for mitigating these
a juniper-wood plank measuring 018 ft by 1 ft by 20 ft is totally submerged in watera what is its weightb what is the
a cord of negligible mass is wound around the rim of a flywheel of mass 20 kg and radius 20 cm steady pull of 25 n is
a camera is equipped with a lens with a focal length of 39 cm when an object 30 m 300 cm away is being photographed
f1 -3031 and f2 -44-36 where all components are in newtons what angle does the vector f1 f2 make with the positive
the figure below shows a short coil which is coaxial with a very long solenoid you may approximate it as infinitecoil
electrons me 911times10-31 kg in a beam that will be used to treat diseased tissue are have an average energy of 2554
if the received power at a reference distance d0 1 km is equal to 1 microwatt find the received powers at distances of
an unstable atomic nucleus of mass 174 10-26 kg initially at rest disintegrates into three particles one of the
mechanics physics questionan green hoop with mass mh 28 kg and radius rh 017 m hangs from a string that goes over a
why is gravity so inconsistentaccording to nasa the moon orbits the earth due to the earths gravityshouldnt the moon be
a block with mass 20 kg is sliding down a plane coefficient of friction 04 inclined at 20 degrees at a speed of 05 ms
agingnbspplease respond to the followingfrom the self-assessment and e-activity discuss the overall manner in which
given that a 50 omega resistor a 90 omega resistor and a 130 omega resistor are connected in series with a 240 v
ozone is depleted in the stratosphere by chlorine from cf3cl according to the following set of equationscf3cl uv light
a pendulum is constructed of a mass m connected to a mass ess rigid rod of lengthl as shownin the figure the other end
we know that charged objects with the same sign repel each other and objects charged with opposite signs attract what
the three-toed sloth is the slowest moving land mammal assume that on the ground the sloth moves at an average speed of
define nuclear fusion and explain it with the help of the binding energy per nucleon why would not this reaction
define nuclear fission and explain it with the help of the binding energy per nucleon what is the difference between
which instrument is used to measure the height of very distant objects and also used by navigators to find the