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A 4.50-g bullet has a muzzle velocity of 300 m/s when fired by a rifle with a weight of 20.0 N.
(a) Determine the recoil speed of the rifle.
(b) If a marksman with a weight of 625 N holds the rifle firmly against his shoulder, determine the recoil speed of the shooter and rifle.
On a cello, the string with the largest linear density (1.56 *10-2 kg/m) is the C string. What is the wavelength of the wave on the string
the microwave radiation left over from the big bang explosion of the universe has an average energy density of 3.88
a vertical tube is closed at one end and open to air at the other end. the air pressure is 1.01 times 105 pa. the tube
A 22-turn circular coil of wire has a diameter of 1.6m. It is placed with its axis along the direction of the Earth's magnetic field of 52T at 63° below the horizontal, and then in 0.23s it is flipped 180°. What is volts the magnitude of the average ..
an 8.70 kg block slides with an initial speed of 1.66 m/s up aramp inclined at an angle of 27.4 degree with the horizontal. find the distane the block slides before coming to rest
A billiard ball is moving east at 3.0 m/s. A second, identical billiard ball is shot west at 1.8 m/s. find the speed and direction of the first ball after the collision
A wheel turning at 80 rad/s is brought to a stop in 10 sec. what is its rate of angular acceleration
You have 34 tuning forks that oscillate at close but different frequencies. What are the (a) maximumand (b) minimum number of different beat frequencies you can produce by sounding the forks 2 at a time,depending on how the frequencies differ?
A hockey puck is given an initial speed of 5.4m/s. how far does the puck slide before coming to rest
what characteristic of a fluid would greatly increases the physical and mathematical complexity of fluid mechanics?
An individual is nearsighted; his near point is 13.0 cm and his far point is 43.0 cm. What lens power is needed to correct his nearsightedness? When the lenses are in use, what is this person's near point?
a man in search of his dog drives first 10 mi northeast then 26 mi straight south and finally 1 mi in a direction 30deg
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