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a tourist being chased with an angry bear is running in a straight line toward his car at a speed of 37 ms the car is a
to decide the speen of a harmonic oscillator a beam of sound is sent along the line of the oscillators motion the sound
an adiabatic turbine expands steam from 500c 35 mpa to 200c and 03 mpa if the turbine generates 750 kw and the heat
a sonar signal of frequency 100 x 106 hz has a wavelength of 150 mm in water1 what is its period in air2 what is its
a trooper is moving due south along the freeway at a speed of 32 ms at time t 0 a red car passes the trooper the red
an organ pipe is tuned to emit a frequency of 196 hz when it and the g string of a violin are sounded together ten
while driving on the straight highway at a constant speed v0 considerably above the speed limit you pass in front of a
the velocity of the transverse waves produced with an earthquake is 89 kms and that of the longitudinal waves is 51 kms
a car traveling at 39 ms runs out of gas while traveling up a 70 degree slopehow far will it coast before starting to
a mass of 153 kg is attached to a spring and the system is undergoing simple harmonic oscillations by a frequency of
point charges of 72 q are placed at each corner of an equilateral triangle which has sides of length 8 l what is the
the three displacement vectors in the drawing have magnitudes of a 440 m b 628 m and c 462 m find the resultant a
true and false1 the slope of the velocity time graph is the instantaneous acceleration2 instantaneous velocity is the
what is the magnitude of the electric field midway among two point charges -170 c and 121 c that are 752 cm apart what
an ant walks on a piece of graph paper straight along the x axis a distance of 100 cm in 190s it then turns left 300
two tiny conducting spheres are identical and carry charges of -207c and 629c they are separated by a distance of 281
the screaming swing is a carnival ride that is - not surprisingly - a giant swing its actually two swings moving in
a bullet with mass 528 g is fired horizontally into a 2055-kg block attached to a horizontal spring the spring has a
what is the maximum height a 80 kg can safely jump from starting from rest without breaking their shin and if they come
a large water tank springs a leak in its side which is 10 m above the ground the spraying water hits the ground a
assume some dog tags create a sound with a frequency of 1118 hz at rest you place these dog tags on a greyhound dog the
an electron is shot horizontally x direction with velocity of 22x105 ms into a region with a uniform electric field of
1 a linear object that is h 175 m tall is placed a distance a 0780 m from a small light source a shadow is produced
a sinusoidal transverse wave is traveling on a string any point on the string1 moves in the same direction as the wave2
a parallel plate capacitor has a constant electric field of 22x104 nc among its plates separated by a distance of 325mm