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the horse on a carousel is 38 meter from the central axis if the carousel rotates at 90times10-2revs find how long does
a football is thrown vertically upward with a speed of 200 msa find how high does it risemb find how long does it take
as soon as a traffic light turns green a van speeds up from rest to 560 mih with fix acceleration 900 mih-s in the
a cardiac defibrillator is used to shock a heart that is beating erratically a capacitor in this device is charged to
an electron starts from rest 653centimeter from a fixed point charge with q -0132uc calculate how fast will the
a bus with a mass of 1230 kilogram moving at 105 kmhr stops within a distance of 530 metera determine what force is
the area of the large piston in a hydraulic jack is 255 cm2 the area of the small piston is 12 cm2determine what force
find what water pressure must a pump that is placed on the first floor supply to have water one the thirteenth of a
an iron anchor of density of 7870 kgm3 appears 200 n lighter in water then in aira determine the volume of the anchorb
given the moons period about the earth is 2732 days and the earth-moon distance is 384 x 108 meter compute the mass of
a certain string can withstand a maximum tension of 30 newton without breaking a kid ties a 250 gram stone to one end
a cork in the form of a cylinder with length 6 centimeter and cross-sectional area 4 cm2 is placed in water and it is
a person enter a tower needing to know its height he notes that a long pendulum extends from the ceiling almost to the
an undersea research chamber is spherical with an external diameter of 520 meter the mass of the chamber when occupied
a if the frequency of oscillation of the wave emitted by an fm radio station is 1014 mhz calculate the waves period of
two point masses each of mass 5 kilogram are joined by a light straight rod of length 1 meter this dumbbell is located
when a 015 kilogram ball is hit its velocity changes from 29 ms to -29msa find the magnitude of the impulse delivered
a photon with energy of 50 kev is scattered by a free electron the recoiling electron could have energy of less than 50
a 23 meter long log of irregular cross section is lying horizontally supported by a wall at one end and a cable
a 40 kilogram mass has a velocity of 4ms east when it explodes into two 2 kilogram masses after the explosion one of
a 450 ml syringe has an inner diameter of 400 millimeter a needle inner diameter of 0260 millimeter and a plunger pad
an abandoned ship is in the ocean at a depth of 161 meter the ship has a flat circular port of diameter of 12
a grocery cart with mass of 16 kilogram is pushed at a fix speed along an aisle by a force of 12 newton the handle is
a rope is wrapped around a wheel of diameter 50 centimeter the wheel is mounted with frictionless bearings on an axle
the very large array vla is a set of 30 dish radio antennas located near socorro new mexico the dishes are spaced 10 km