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a 100 m long pendulum having a small marble at the end swings 2383 degrees from the lowest position1 how many cm is the
a hiker walks such that her initial displacement is lt7 miles 35ogt she then changes heading and walks with
a child in a boat throws a 580-kg package out horizontally by a speed of 100 ms the mass of the child is 230kg and the
the surface gravity of titan the largest moon of saturn is 0135 that of earth the atmospheric pressure on titans
a 10 microc point charge and a 70 microc point charge are a distance l apart where must a third point charge be placed
two small spheres of mass m 002 kg are suspended from a common point with threads of length l 12 m when each sphere
cyclotrons accelerate particles around a circular track during the use of electric and magnetic fields the triumf is
to get off a frozen frictionless lake a 700 kg person takes off a 0150 kg shoe and throws it horizontally directly away
write an equation for the reaction of magnesium oxide with sodium chloride to produce sodium oxide and magnesium
1 a clock keeps time by utilize of a simple pendulum the pendulum has a mass of 05 kg suspended 26 cm below the pivot
which explains a process where a precipitate is formed1 propane gas combusts to form co2 and h2o2 a solution of h2so4
what is the best way to increase the solubility of somethinga increase the surface area b increase the temperature c
an electron is at rest just above the surface of a sphere by a radius of 22 mm and a uniformly distributed positive
when a 275-kg fan having blades 185 cm long is turned off its angular speed decreases uniformly from 100 rads to 630
a 35 kg object is accelerated from rest to a speed of 449 ms in 73 s what average force was exerted on the object
when a substance is boiled what happens to the mass1 the mass stays constant as it changes from a liquid to a gas2 the
a heat engine operates among 40degc and 380degc being a real engine its efficiency is only 60 percent of that
a guitar string by a mass of 12 g is 80 cm long and attached to a guitar at two points separated with 71 cm what
a 10 kg stone is being whirled at constant speed of 12 ms in a circle held on a frictionless horizontal surface with a
from the average separation among air molecules at stp and their mean speed estimate how long it would take one
a 720 n man stands in the middle of a frozen pond of radius 40 m he is unable to obtain to the other side because of a
a physics professor demonstrates the doppler effect by tying a 550 hz sound generator to a 10-m-long rope and whirling
a 7300 n man carrying a 2m kg physics textbook stands at the center of a frozen pond of radius 80 m he is unable to
a physics student comes up with the following scheme to gauge the building height a timing mechanism is set up to gauge
a parallel plate capacitor by plate separation d is connected to a battery the capacitor is fully charged to q coulombs