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Q1. At an amusement park you went on a ride that malfunctioned. What was the angular displacement of the ride after 1.5s with an angular speed of 2.65 X 10^4 rads/s.
Q2. The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.
Q3. One piston of a hydraulic lift holds 1.40x103 kg.The other holds an ice block (density = 917 kg/m3) that is 0.076 m thick. Find the first piston's area.
The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground
In this week's video, Bill Goodykoontz talks about morality and ethics in pop culture. The freedom of speech and expression allows the variety of pop culture media to be released, which may sometimes be offensive material. Can pop culture still have ..
At what angle must the projectile be fired to hit a target positoned at a range 10km away if the initial speed of the projectile is 500ms
A proton is shot at 8 × 107 m/s toward a gold atom, with a mass 197 times that of the proton, What is the recoil speed of the gold nucleus
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the magnitude of the torque, assumed constant, that the student applies
If a bungee cord is stretched horizontally to a length of 2.2m , the tension in the cord is 2.3n. What is the tension in the 3.8-m-long cord
To save on heating costs, the owner of a greenhouse keeps 580 kg of water around in barrels. What is the minimum ampere rating of an electric heating system
The electric field inside a 50.0?cm? long copper wire is 5.00mV/m .What is the potential difference between the ends of the wire
A student has built a 20-cm-long pinhole camera for a science fair project. She wants to photograph the Washington Monument, How far should she stand from the Washington Monument
A 15,000?metric ton battle cruiser at rest fires a salvo of six 8?inch shells at a 45o angle with a muzzle velocity of 350 m/s. how far has the cruiser recoiled by the time its salvo hits their target
A professor's office door is 0.96m wide, 2.2mhigh, 4.0cm thick; has a mass of 26kg , and pivots on frictionless hinges. what is its angular acceleration immediately afterward
The wave function for a certain electromagnetic wave is given by E = -(2500V/m)cos(9.973x10^6z - 2.992x10^15t)i, what is the intensity of the electromagnetic wave
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