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a long narrow steel rod of length 25000 m at 25 c is oscillating as a pendulum about a horizontal axis through one end
a honeybee with a mass of 0175 g sits on one end of a floating 418 g popsicle sticka if the bee walks on the stick with
a charged particle initially moving south in a vertically downward magnetic field is deflected toward the east what is
120g of iron heated to 100c and put into a calorimeter with 100ml of water at 20c the final temperature of the water
a helicopter propeller blade starts from rest and experiences a constant angular acceleration of 105 rads2 find the
two 44 kg bodies a and b collide the velocities before the collision are a 12 46 ms and b -32 22 ms after the
1 explain the difference between a heterogeneous mixture and a homogeneous mixture2 when a carton of milk spoils a
a 3 kg block slides with a speed of 11 ms on a frictionless horizontal surface until it encounters a springa if the
in a game of pool a cue ball with an initial velocity of 150 ms directed to the right along the x-axis collides with
suppose that the coefficient of friction between your feet and the floor while wearing socks is 0250 knowing this you
to what final volume should you dilute 505ml of a 430 m ki solution so that 225 ml of the diluted solution contains
a potato cannon is used to launch a potato on a frozen lake the mass of the cannon mc is 10kg and the mass of the
density of aluminum is 27 gcm3 or 27 gmlhow heavy in grams would be the coke can be instead of soda it would be filled
a typical gauge pressure for optimal performance of automobile tires is 32 lbin2 what is this pressure in grams per
calculate the number of molecules of the compound and the number of atoms of each of the elements in 603 moles of
an unknown metal m reacts with sulfur to form a compound with the formula ms if 437 g of m reacts with 251 g of s what
marble calcium carbonate reacts with hydrochloric acid solution to form calcium chloride solution water and carbon
describe what you would do to prepare 100 g of a 35 solution of ammonium sulfate in
an ionic compound forms when calcium z 20 reacts with iodine z 53 if a sample of the compound contains 129x1019
the decomposition of h2o2 is a first order reaction consider h2o2 has its initial concentration as 232m what will be
the reaction in eq 1 is zero order with a rate constant of k05 mol l-1 s-1 assuming that the initial concentration of a
calculate the volumes of distilled water and 28ppt seawater which must be mixed to yield 1 liter of 18ppt
can anyone tell me how is made sigmalike as primary bond and pilike as secondarybondin oxygeno2moleculehow are joined
consider two different solutions of the same uv-absorbing compound upon uv-analysis solution b gave an absorbance of 15