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Determine the terminal velocity of a spherical bacterium (diameter 2.00 meter) falling in water. You will first need to note that the drag force is equal to the weight at terminal velocity. Take the density of the bacterium to be 1.10 x 103 kg/m3.
A roofer accidently drops a bundle of shingles. If it hits the ground with a speed of 86 m/s, how fast was it moving 3 seconds earlier (g=10 m/s/s)
A 0.160 kilogram baseball traveling 30.0 meter per second strikes the catcher's mitt, Find the magnitude of the average force applied by ball on glove
A 1.5m long stick with a mass of 0.3 kg is pivoted on a hinge at one end and held horizontally with a spring by spring constant 10N/m attached at the other end. What is the frequency, f (in Hz), of small up and down oscillations of the stick?
A typical lightning flash delivers about 15 C of negative charge from cloud to ground. How many electrons are involved
A drag racer crosses the finish line doing 216 mi/h and promptly deploys her drag chute, What force must the drag chute exert on the 850 kg car to slow it to 45.2 mi/h in a distance of 161 m
Ball rolls 60cm to the porch's edge, drops 40 cm, continues rollingon the grass, and eventually stops 80 cm from the porch'sedge. What is the magnitude of the ball's net displacement ,in centimeters?
Vectors A and B have scalar product -3.00 and their vector product has magnitude 9.00. What is the angle between these two vectors
Two 4.0 cm× 4.0 cm electrodes spaced 2.0 mm apart form a parallel-platecapacitor. What is the charge on each electrode
A 450-loop circular armature coil with a diameter of 8.0 cm rotates at in a uniform magnetic field of strength 0.55 T. What is the rms voltage output of the generator
A 7.6 cm diameter horizontal pipe gradually narrows to 4.8 cm . When water flows through this pipe at a certain rate, What is the largest size vehicle
Both drawings show the same square, each of which has a side of length L = 0.82 m, Find the single smallest frequency that will produce both constructive interference in drawing 1 and destructive interference in drawing 2
At what angle is the curve banked? The acceleration due to gravity is 9.8 m/s2.
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