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A fly weighing .3 grams and traveling at 2m/s is swatted by a fly swatter. It is swatted straight back at 5.4m/s and is in contact with the fly swatter for 0.2 seconds. Use conservation of momentum for an elastic collision to find the acceleration of the fly and the force exerted on it by the swatter.
The average speed of a nitrogen molecule in air is about 6.70 * 10^2 m/s, and its mass is about 4.68 * 10^-26 kg. What average force does the molecule exert on the wall
Find the mechanical energy of a block- spring system having a spring constant of 1.3 N/cm and an oscillation amplitude of 2.4 cm
To stretch a certain spring by 2.20 from its equilibrium position requires 7.00 of work. What was the maximum force required to stretch it by that distance
A motorboat traveling on a straight course slows uniformly from 60 km/h to 40 km/h in a distance of 50 m. What is the boat's acceleration
the 25g bullet travelling at 350m/s strikes a block of wood. The block of wood exerts an average force of 50,000N opposing the motion of the bullet. How far does the bullet penetrate while stopping.
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 56° C. What is the temperature coefficient of resistivity
For this project, you will choose a theme, find three expressions of that theme in three different humanities disciplines, describe the three different presentations, and offer an analysis and reflection.*The skills you need for this assignment will ..
The Crab Nebula is a supernova remnant 6500 light years away from Earth. Records from the Chinese indicate that they observed this supernova to occur in the year 1054.
standing on the sidewalk next to your parked car you hear thesiren of an approaching fire engine. what is the velocity of sound in air
Two in-phase loudspeakers emit identical 1000 Hertz sound waves along the x-axis. Find what distance should one speaker be located behind the other for the sound to have an amplitude 1.90 times that of each speaker alone
Two particles of masses M1 = 93000 kg and M2 = 4200 kg are initially at rest an a distance 148.1 km apart. How much time does it take for the particles to collide
A sample of neon gas has its volume doubled and its temperature held constant. What will be the new pressure relative to the initial pressure? A quantity of steam ( 800 g) at 115oC is condensed, and the resulting water is frozen into ice at 0oC. How ..
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