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a small immersion heater can be used in a car to heat a cup of water for coffee or tea if the heater can heat 120ml of
a 300kg block starts from rest at the top of a 300 degree incline and slides a distance of 200m down the incline in
a tire of radius r rolls in a straight line without slipping its center moves with constant speed v a small pebble
a soprano sings the note c6 1046 hz across the mouth of a soda bottle to excite a fundamental frequency in the soda
a 020 kg mass at an angle of 40 degrees and a 0275 kg mass at an angle of 155 degrees determne the net force of the two
two masses are joined together by a massless rod of length 08 m what is the rotational kinetic energy of the
how long a piece of wire would you need to form a circular arc subtending an angle of 16 rad if the radius of the arc
a dipole consists of two charges of opposite sign and each charge has a magnitude of 220e-18 c they are separated by
a source traveling to the right at a speed of 1130 ms emits a sound wave at a frequency of 1040 hz the sound wave
the artery in the figure has an inside diameter of 275 mm and passes through region where the magnetic field is 065 t
two trains are traveling toward each other in still air at 276 ms relative to the ground one train is blowing a whistle
a 300 ball on a 70--long string is swung in a vertical circle about a point 200 above the floor the string suddenly
in an amusement park ride called the roundup passengers stand inside a 160 -diameter rotating ring after the ring has
cables that are used to support structures sometimes need to be tested in place to ensure that they are in good shape
youve taken your neighbors young child to the carnival to ride the rides she wants to ride the rocket eight
a container x has 2 moles of gas with a pressure of 120 kpa at a constant temperature of 300k 1 find the volume of the
a popular pastime is to see who can push an object closest to the edge of a table without its going off you push the
a 75 kg horizintal plank is suppirted at each end a 126kg giant panda is resting a quarter of tge way from the left end
a grandfather clock has a weight at the bottom of the pendulum that can be moved up or down if the clock is running
imagine that a stove burner provides thermal energy at a rate of 4800 js what is the minimum time that it would take to
the temperature of the skin is approximately 35 degrees celsius at what wavelength does the radiation emitted from the
a toy train rolls around a horizontal 13--diameter track the coefficient of rolling friction is 012what is the
you have a concave lens whose focal length has an absolute value of 8 cm and several convex lenses with f50 cm 12 cm 15
two tuning forks oscillating coherently and in phase at 12000hz are separated by 035ma calculate the angles of maximum
a roughly spherical astroid whose radius is 40 km rotates once every 24 hours what is its angular speed in