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a 015 kg arrow is firedhorizontally the bowstring exerts a constant force pf 65 n on thearrow over a distance of 045 m
a 200 kg crate starting at rest slides down a rough 500 m long ramp inclined at 25ordm with the horizontal if 200 j of
a based on solubility express reaction that would happen when zinc sulfate solution is mixed with magnesium
a light bulb emits light uniformly in all directions the averageemitted power is 1500 w at a distance of 7 m from the
2kclo3 -gt 2kcl 3o2the reaction above took place and 325 liters of oxygen gas were collected over water at a
when 1-bromomethylcyclohexene undergoes solvolyeses in ethanol two products will result but the intermediate of one
a beam of protons is accelerated easterly from rest through apotential difference of 50kv it enters a region where
an object is placed at a known distance in front of a mirror whose focal length is also known you apply the mirror
a velocity selector has a magnetic field of magnitude 38tperpendicular to an electric field of magnitude 54 mvm the
a bunch of grapes is placed in a spring scale at a supermarket thegrapes oscillate up and down with a periodof 059 s
the masses of the javelin discus and shot are 080 kg 20 kg and 72 kg respectively and record throws in the
a log splitter uses a pump with hydraulic oil to push a pistonattached to which is a chisel the pump can generate a
a block of mass 250 kg is pushed 260 m along a frictionless horizontal table by aconstant 160 n force directed
consider the record throws for the javelin men 9848 m zelezny 1996 0800 kg and women 7228 m spotakova 2008 0600 kg
hey can anyone help me with this question i need fullsolutions and answer okay here it is an aircraft diving at anangle
draw a circuit diagram of two 50 ohm resistors identical lightbulbs in series across a power supply providing 12v use
a steel cable ofcross-sectional area 270 10-3 m2 is kept under a tension of900 103 n the density of steel is 7860 kgm3
a 40 kg child standing on a frozen pond throws a 05 kg stoneto the east with a speed of 5 ms negelcting friction
a toroid is a coil of wire wrapped around a doughnut-shapedring a torus for a tightly wrapped toroid with n turns the
to pass the time in the lunar space station waiting room youdecide to measure the local acceleration due to gravity on
a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
the position of a particle is given by 025 cos 2513 t mwhere t is in s and theta is in radiansa what are the
a meterorite pluges to earth embedding itself 75cm into the ground if it does 140mj of work against friction in the
a compact disk player has just been turned off a disk decelerates uniformly from an initial angular velocity of 720
it has been proposed to use the energy stored in amassive rotating flywheel to power asmall car how would you orient