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Your friend's 1.41 gram graduation tassel hangs on a string from his rear-view mirror.
(a) When he accelerates from a stoplight, the tassel deflects backward toward the rear of the car hanging at an angle of 6.13 degree relative to the vertical. Determine the tension in the string holding the tassel.
(b) Determine at what angle to the vertical will the tension in the string be twice the weight of the tassel?
an emersion heater is used to boil water. assuming no heat escapes from the system, how much power must the emersion heater dissipate in order to boil five grams of water into fives grams of steam in ten minutes at standard atmospheric pressure?
q1. explain what causes the seasons that we experience in the temperate region of the northern hemisphere. do you have
Rachel is on the roof of a building, h meters above ground. She throws a heavy ball into the air with a speed v, at an angle ? with respect to the horizontal. Ignore air resistance.
the cue ball in a biliard game travelling at the speed of v=1m/scollides elastically to another ball of the same kind head-on. compute the speed of the two balls after the collision
A ball of circumference 72.7 cm and mass 605 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.)
Use the surface energy balance equation to calculate the latent heat flux given that the Bowen ratio is 0.6, the net incoming radiation is 50 J m-2 s-1
A pair of speakers separated by 0.700 meter are driven by the same oscillator at a frequency of 675 Hz, Find how far must the observer walk before reaching a relative maximum in intensity
An aluninum wire has a length of 8 m and a cross-sectional radius of 0.004 m. Calculate the weight of a hanging object
A transparent cylinder of radius R = 2.00 m has a mirrored surface on its right half, Determine the index of refraction of the material
a nonconducting solid sphere of radius 2.9 cm carries a uniformly distributed positive charge of 8.6 x10-9 coulombs. a
A circus juggler performs an act with balls that he tosses with his right hand and catches with his left hand. what is the maximum number of balls he can juggle
The specific heat of a certain metal can be determined by measuring the temperature change that occurs when a piece of the metal is heated, What is the specific heat of the metal
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