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how long will it take a sound wave to travel 10 cm if the velocity is 100 mswhat is the propagation speed of water that
a 28-g rifle bullet traveling 230 ms buries itself in a 36-kg pendulum hanging on a 28-m-long string which makes the
a 12-kg hammer strikes a nail at a velocity of 85 ms and comes to rest in a time interval of 80 msa what is the impulse
a 3800-kg open railroad car coasts along with a constant speed of 860 ms on a level track snow begins to fall
you notice a very one-dimensional-thinking snail crawling along one rail of a railroad track naturally you remove it to
an electron is a subatomic particle m 911 x 10-31 kg that is subject to electric forces an electron moving in the x
as a city planner you receive complaints from local residents about the safety of nearby roads and streets one
a certain laser emits red light in a narrow band of wavelengths centered at 5330 nm and with a wavelength width such as
consider a reference frame associated with a free falling cabin which is moving with an acceleration of g 98ms2 at
at a horizontal distance of 45m from a tree the angle of elevation to the top of the tree is 26 degrees how tall is the
if the range of the projectile is 239 m the time-of-flight is t 0919 s and air resistance is turned off determine the
cientists want to place a 27000 kg satellite in orbit around mars they plan to have the satellite orbit a distance
a constant-volume gas thermometer reads 500 torr at the triple point of watera sketch a graph of pressure vs absolute
an olympic long jumper is capable of jumping 85m assuming his horizontal speed is 95ms as he leaves the ground how high
the specifications associated with a commercial spectrophotometer are diffraction grating with 600 groves per mm focal
determine the blaze angle if light of 395 nm impinges on a grating having a grove density of 1255 lines per mm assume
as a hiker in glacier national park you are looking for a way to keep the bears from getting at your supply of food you
a clock in a spaceship is observed to run at a speed of only 35 that of a similar clock at rest on earth how fast is
a hunter wishes to cross a river that is 20 km wide and flows with a speed of 50 kmh parallel to its banks the hunter
two capacitors are in a series c1150nf and c2120nf the potential difference across them is 36 voltsa find the total
a piece of cheese with a mass of 111 kg is placed on a vertical spring of negligible mass and a force constant k 2000nm
a slingshot will shoot a 10-g pebble 220 m straight uppart a how much potential energy is stored in the slingshots
as a stunt coordinator with a background in physics you have been asked to determine whether bear can make it across
a picture hangs on a nail the tension t in each string segment is 35na what is the equilibrant or the upward reaction
you have landed on an unknown planet newtonia and want to know what objects will weigh there you find that when a