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q1 a 240 g block hangs from a spring with spring constant 80cm at the block is 23cm below the equilibrium point and moving upward with a speed of
q1 a scuba tank is filled with air to a pressure of 292 atm when the air temperature is 23 degrees celcius a diver next jump into the ocean and after
q1 a vertical spring with a spring constant of 370 nm is mounted on the floor from directly above the spring which is unstrained a 015-kg block is
q1 a steel paper clip is bent by a force of 102 n exerted on it through a distance of 485 cm by how much does temperature of the midsection of the
q1 collapsible plastic bags are used in hospitals for infusions we want to use such a bag to infuse an electrolyte solution into the artery of a
q1 two slits are illuminated by a 621nm light the angel between the zeroth-order bright band at the center of the screen and fourth-order bright band
q1 water at a temperature of 85f exhibits which of these physical propertiesa has no definite shapeb has no definite volumec has particles that do
q1 the period of oscillation of an object in a frictionless tunnel running through the earth is 843 min what is the time of oscillation of an object
q1 a baseball thrown at an angle of 550circ above the horizontal that strikes a building 180 rm m away at a point 800 rm m above the point from which
q1 sunlight enters a room at an angle of 31 above the horizontal and reflects from a small mirror lying flat on the floor the reflected light forms a
q1 the vietnam war was a counterinsurgency that involved us in guerrilla warfare that was similar in some ways to what we face in afghanistan today
q1 an ambulance travelling at 39 ms approaches a car heading in the same direction at a speed of 19 ms the ambulance driver has a siren sounding at
q in 1909 robert millikan was the first to find charge of an electron in his now-famous oil drop experiment in the experiment tiny oil drops are
q1 when two tuning forks of 128 hz and 149 hz respectively are sounded simultaneously how various beats per second are heardq2 the radar system at an
q1 a house is heated by a 240 kw electric furnace which uses resistance heating the rate for electrical energy is 0120kwh if the heating bill for
q1 a solid rock is suspended in air by a spring scale the rock has a mass of 250 kg when the rock is dunked in water the scale reads 190 kg while the
q1 a school yard teeter totter with a total length of 60 m and a mass of 36 kg is pivoted at its center a 19 kg child sits on one end of the teeter
q1 a student holding two weights close to his chest is sitting on a frictionless chair the student and chair are rotating with an angular speed of
q1 a person eats a dessert that contains 220 calories this calorie unit with a capital c is the one used by nutritionists 1 calorie 4186 j the skin
q1 an archer puts a 030 kg arrow to the bowstring an average force of 201 n is exerted to draw the string back 13 m unless otherwise directed imagine
q1 the length of an air column that produces a strong resonance in a cylinder is 018m what is the frequency of the tuning fork being usedq2 find the
q1 after being accelerated to a speed of 143times105 the particle enters a uniform magnetic field of strength 100 and travels in a circle of radius
q1 if 60 billion neutrinos per second rain down on one square cm of the surface of the earth how many neutrinos per second rain down on one square cm
q1 a 048 kg object is attached to a spring with a spring constant 178 nm so that the object is authorized to move on a horizontal frictionless
q1 an airplane has a mass of 31000 kilos and takes off under influence of a constant net force of 37000 nektons what is the net force that acts on