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q 1 what physical quantities can be represented by vectors why how do you determine the resultant force of the various forces acting on an object2 a
q1 a father m 92 kg and son m 44 kg are standing facing each other on a frozen pond the son pushes on the father and finds himself moving backward
q1 for an ideal atwood machine has a massless pulley of radius 10 cm which moves without friction and has masses of 2 kg and 3 kg hanging from the
q1an underwater diver sees the sun 50 degrees above horizontal how high is the sun above the horizon to a fisherman in a boat directly above the
q1 two thin wedding bands each with mass m and radius r are welded together so that each ring passes through the center of the other compute the
q1a square coil of wire with 15 turns and an area of 040 m2 are placed parallel to a magnetic field of 075 t the coil is flipped so its plane is
q1a race car starts from rest on a circular track of radius 453 m the cars speed increases at the constant rate of 0800 ms2 at the point where the
q1the density of the tightly compressed sugar cube is about 14 14gml if a sugar cube weighs very close to 5 grams what is volume of the cubeq2 a
q1a thrill-seeking cat with mass 400 kg is attached by a harness to an ideal spring of negligible mass and oscillates perpendicularly in shm the
q1 elmer really likes to cook with onions and he puts onions into almost everything he makes he generally starts dinner every day around 500 pm as he
q1a grinding wheel initially at rest is rotated with constant angular acceleration of 373 rads2 for 903 s the wheel is then brought to rest with
q1 a motorist travelling with constant velocity of 15 ms about 34 mph passes a school crossing corner where the speed limit is 10 ms about 22 mph
q1an automobile driver puts on brakes and decelerates from 68 mph to zero in 16 s what distance does the car travela car dealer claims that his
q1 a 32 percent efficient electric power plant produces 900 mj of electric energy per second and discharges waste heat into 200c ocean water suppose
q1 two small charged metal spheres a and b are situated in a vacuum the distance between the centres of the spheres is 120cm state the evidence that1
q1 a 00150-m wire oriented parallel between the poles of an electromagnet carries a direct current of 95 a the angle between the direction of current
q1 the two rotating systems shown in the figure differ only in that two identical movable masses are positioned at different distances from axis of
1 an object moves along the x axis according to the equation x300t 2 -200t300 where x is in meters and t is in second determine a average speed
question1an 80 meter uniform ladder of weight 355 n leans next to a smooth vertical wall at an angle 50 degrees with respect to the ground a fire
question1a carnot engine operates with an effectiveness of 240 percent as the temperature of its cold reservoir is 290 k assume that the temperature
question1determine the force needed to hold a 1000 pounds car on an inclined plane that makes angle of 30 degree with horizontal if the force is to
question1a space station is in the shape of a hollow ring 450 in diameter at how many revolutions per minute must it rotate in order to simulate
question1an inkjet printer letters are built up by squirting drops of ink at a paper from a rapidly moving nozzle the pattern on the paper is
questiona mass m 90 kg slides on a frictionless track that has a drop follow by a loop-the-loop with radius r 151 m and at last a flat straight
question1an electron accelerated from rest through a voltage of 400 v enters a region of constant magnetic field if the electron follows a circular