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A meter stick is found to balance at the 49.7 centimeter mark when located on a fulcrum. When a 52.0 g mass is attached at the 9.0 centimeter mark, the fulcrum must be moved to the 39.2 centimeter mark for balance. Obtain what is the mass of the meter stick?
g
A small car with a mass of 850kg travels northward at 25m/s. Does the car have more or less momentum than a truck with a mass of 10500kg traveling eastward at 17 m/s? How much more or less?
q1. when blue light of wavelength 450 nm falls on a single slit the first dark bands on either side of center are
a spider crawling across a table leaps onto a magazine blocking its path. the initial velocity of the spider is 0.860
a two-slit pattern is viewed on a screen 1.10 m from the slits. if the two third-order maxima are 42.9 cm apart what is
A common flashlight bulb is rated at 0.108 A and 3.28 V (the values of current and voltage under operating conditions). estimate the temperature of the tungsten filament when the bulb is turned on
An outfielder in baseball throws a baseball from the warning track toward homeplate with a speed of 111.83 125 ft/s at an angle of 40.1640 degrees. where does the ball land relative to homeplate
A 6.5 x 104-kg space probe is traveling at a speed of 14000 m/sthrough deep space. Retrorockets are fired along the line of motionto reduce the probe's speed. What is the final speed of the probe
A hunter who is a bit of a braggart claims that from a distance of 1.7 km he can selectively shoot either of two squirrels who are sitting 8.0 centimeters apart on the same branch of a tree. Determine the diameter of the pupils of his eyes
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. Determine the intensity level of the infrasound 10 km from the source
An athlete starts at point A and runs at a constant speed of 7.00 m/s around a round track 250 m in diameter? Find the x component of this runner's average velocity between points A and B.
estimate the number of gallons of gasoline consumed by the total of all automobile drivers in the united states per
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. The horizontal distance between the release point and the point where the decoy strikes the ground is 700 m..
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