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what is the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1445 n assume
an apple that weights 27 n falls vertically downward from rest for 14 sa what is the change in the apples momentum per
a rock is thrown directly upward from the edge of the roof ofa building that is 375 m tall the rock misses the building
a 135 kg block of wood sits at the edge of a table 0782 m above the floor a 00105 kg bullet moving horizontally with a
a wood cube 030m on each side has a density of 700kgm3 andfloats levelly in watera what is the distance from the top of
1 how many bright fringes appear between the first diffraction-envelope minima to either side of the central maximum in
a 330 n sphere 020 m in radius rollswithout slipping 60 m down a ramp that is inclined at31deg with the horizontal what
a length of wire is cut into7 equal pieces the 7 pieces are then connected parallel with the resulting resistance
a dog is initially running at 14 ms but is slowing down how fast is it moving if kinetic energy has been reduced
a communications satellite is in a synchronous orbit that is 36 x107 m directly above the equator the satellite
a thin ring of radius r rotating with angular velocity omega isplaced flat on a horizontal table the coefficient of
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 light bulb emits light uniformly in all directions the averageemitted power is 1500 w at a distance of 7 m from the
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