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q1 a simple harmonic oscillator consists of a block of mass 120 kg attached to a spring of spring constant 184 nm as t 200 s position and velocity
q1 an observer moving toward earth with a speed of 097 notices that it takes 5min for a person to fill her car with gas assume instead that the
q1 a 310-m-long 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction
q1 if air drag is negligibly small how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 treeq2 a positive
q1 as part of a safety investigation two 1300kg cars traveling at 18ms are crashed into different barriers find out an average forces exerted ona car
q1 two balls of masses 43kg and 65kg are suspended the lighter ball is pulled away to a 66 angle with the vertical and released assume that the
q1 an alpha particle m 67 acute 10-27 kg q 32 acute 10-19 c has a speed of 20 kms at point a and moves to point b where it momentarily stops only
q1 a meterstick is at rest in an inertial frame s2 if s2 moves with a speed of 07c with respect to a rest frame s1 find the length of the meterstick
q1 to evaluate the program suppose she runs up a flight of 85 steps each 0150 m high in 690 s for simplicity ignore the energy she uses in coming
q1 a fan at a rock concert is 30 m from the stage where the sound intensity level is 110 db her eardrums have a diameter of 84 mm how much energy is
q1 two astronauts each having a mass of 950 kg are connected by a 100-m rope of negligible mass they are isolated in space moving in circles around
q1 a circular coil enclosing an area of 97 cm2 is made of 197 turns of copper wire the wire making up the coil has resistance of 60 and ends of the
q1 a system consists of a uniform electric field of 426 nc directed in the positive x direction together with a particle having a positive charge of
q1 an airplane is flying with a velocity of 800 at an angle of 260 above the horizontal when the plane is a distance 103 directly above a dog that is
q1 a power supply passing through a resistor is supposed to deliver 22-v dc at a max current of 150ma the transformers peak output voltage is
q1 a cd has a playing time of 531 minutes while the music starts the cd is rotating at an angular speed of 498 revolutions per minute rpm at the end
q1 originally a wheel rotating about a fixed axis at a constant angular deceleration of 07 rads2 has an angular velocity of 0 rads and an angular
q1 a conveyor belt at a quarry lifts 2000 kg of sand per minute up a vertical distance of 12 meters the sand is at first at rest then moves at a
q1 an object is hung from a spring set into vertical vibration and immersed in a beaker of oil its motion is graphed the object has mass 375 g the
q1 a train at rest emits a sound at a frequency of 1045 hz an observer in a car travels away from the sound source at a speed of 37 ms what is the
q1 a ball in flight is recorded and analyzed using digital video analysis software the analysis produced the result that the ball had a horizontal
q1 if the weight of a room full of water is so great why dont the first floors of houses built over basements all collapse while flooded to the
q1 charge a and charge b are 25 m apart charge a is 14c and charge b is 25c charge c that is 20 c is located between them and the force on charge c
q1 the front of her sleeper wet from teething a baby rejoices in the day by crowing and bouncing up and down in her crib her mass is 140 kg and the
q1 in a science fiction story a microscopic black hole is given an enormous positive charge by firing an un-neutralized ion drive exhaust consisting