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q1 a driver is driving at 68 mihr on a straight highway he sees an accident on the road in front of him so he slams on the brakes the car decelerates
q1 an artillery shell is fired with an initial velocity of 370 ms at 76deg above the horizontal to clear an avalanche it explodes on the mountainside
q1 an ocean liner leaves new york city and travels 370deg north of east for 171 km how far east and how far north has it disappeared in other words
q1 a 40 cm diameter vertical cylinder is sealed at the top by a frictionless 22 kg piston the piston is 79 cm above the bottom while the gas
q1 two long parallel wires x and y separated by distance of 5 cm in air carry currents of 20 a and 70 a correspondingly in opposite directions
q1 two bodies having masses 30 g and 40 g are attached to the ends of the string of negligible mass and suspended from a light frictionless pulley
q1 you are driving home from school steadily at 80 for 150 it then begins to rain and you slow to 50 you arrive home after driving 3 hours and 20
q1 a magnifier has a magnification of 7xhow far from the lens must an object be placed so that its virtual image is at the near-point distance of 25
q1 the rotational inertia of a collapsing spinning star changes to 45 its initial value what is the ratio of new rotational kinetic energy to the
q1 what is the wavelength of the waves emitted by source what is the difference in frequency between directly radiated waves and the waves reflected
q1 earth takes about 365 days to orbit once around the sun mercury the innermost planet takes less than a fourth of this time to complete one
q1 the pulley system is used to lift a 52 kg crate note that one chain connects the upper pulley to the ceiling and a second chain connects the lower
q1 throughout liftoff a hot air balloon accelerates upward at a rate of 27 ms2 the balloonist drops an object over the side of the gondola when speed
q1 a parachutist descending at a speed of -130 ms loses a shoe at the altitude of 540 ma when does the shoe reach groundb what is the velocity of the
q1 two speakers one directly behind the other are each generating a 374-hz sound wave what is the smallest parting distance between the speakers that
q1 in a car lift the output plunger has a radius of 9cm the weight of the plunger and the car is 21600n what is the gauge pressure of the hydraulic
q1 a 28-rm cm-diameter vertical cylinder is sealed at the top by a frictionless 25 kg piston the piston is 87 cm above the bottom when the gas
q1 a cord is used to vertically lower an initially stationary block of mass m kg at a constant downward acceleration of g4 the block has fallen a
q1 david is driving a steady 210 when he passes tina who is sitting in her car at rest tina begins to accelerate at a steady 270 at the instant when
q1 a 780 kg person holds out his arms so that his hands are 170 m apart typically a persons hand makes up about 100 5 of his or her body weight for
q1 a basketball player achieves a hang time of 658 s in dunking the ball what vertical height will he attain the acceleration of gravity is 98 ms2q2
q1 the potential difference between the plates of a capacitor is 70 v midway between the plates a proton and an electron are released the electron is
q1 a vertical electric field of magnitude 300 multiplied by 104 nc exists above the earths surface on a day when a thunderstorm is brewing a car with
q1 the coefficient of static friction between the coin and the disk is 050 find out the linear speed of coin while it just begins to slipq2 two carts
q1 the magnitude of f is 384 newtons and it points at 344o measured counter clockwise from the positive x-axis what is the x component in newtons of