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An observer stands 23.1 meter behind marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of the bullets is 831.6 m/s, and the air temperature is 20 degree Celsius. Calculate how far does each bullet travel before the observer hears the report of the rifle? Suppose that the bullets encounter no obstacles during this interval, and neglect both air resistance and the vertical component of the bullets' motion.
The equation of a transverse wave on a string is y = (6.1 mm) sin[(30 m-1)x + (300 s-1)t] The tension in the string is 42 N. Find the linear density of this string
Draw a free body diagram for each block in the system. Find the acceleration of the system and the tensions in the ropes. Coefficient of kinetic friction of 0.3 exists between the two blocks with no other frictional surfaces.
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 3.99 m, it holds 13800 kg of a liquid industrial solvent. What is the density of the solvent
An idealized voltmeter is connected across the terminals of a 15.0 V battery, and a 75 ohm appliance is also connected across its terminals. how much power is being dissipated by the appliance
Suppose that you hear a clap of thunder 16.2s after seeing theassociated lightning stroke. How far are you from the lightning stroke
around the core of a nuclear reactor shielded by a large pool of water cerenkov radiation appears as a blue glow.
question an aquarium 2 m long 1 m wide and 1 m deep is full of water. find the work needed to pump half of the water
a pair of parallel plates are charged with uniform charge densities of -36 pcm2 and 36 pcm2. the distance between the
A 4.6muC charge is at the center of a cube 6.5 cm on each side. What is the electric flux through one face of the cube
Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. At what angle must they be launched to just graze the ceiling
The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. how high is the hotel room from the ground
The new blade on my table saw has a radius of 15.0 cm. My table saw has a maximum speed of 3750 rpm. If it takes 2.50 seconds to get up to this final speed, what is the tangential velocity of the tip of the saw blade,
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