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Two students decided to fling balloons filled with M1=68.1grams of ice water at coeds who are sun batheing on the roof of asorority house two blocks east of the physics bulding. Theybuilt a trebuchet on the roof of the physics building. Forthe large mass, M2, they cast a solid lead spere D2=22.2 cm indiameter. M1 was mounted so that its center of mass is at adistance L1=4.09 meters from the axis of rotation and M2 wasmounted so that its center of mass was L2=.236 meters from the axisof rotation. Assume that the trebuchet is loaded in thehorizontal position and that the ballon leaves the arm at thehighest point of rotation. Ignore fritction and the momentsof inertia of the arms.
A. Calculate the mass of the lead sphere.
B. Calculate the maximum angular velocity achieved by thetrebuchet.
C. Claculate the tangential velocity with wich the balloonbegins its flight.
The refractive indices of materials A and B have a ratio of nA/nB = 1.79. The speed of light in material A is 1.07 x 10^8 m/s. What is the speed of light in material B
By doing a nuclear diffraction experiement, you measure the de Broglie wavelength of a proton to be 9.16 fm. (a) What is the speed of the proton? (b) Through what potential difference must it be accelerated to achieve that speed?
A nearsighted student with a far point of 6.30 m wears contacts that allow him to see distant objects clearly. determine image distance for the tree
A 600 turn solenoid, 25 cm long, has a diameter of 2.8 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.48 s, what would be the induced emf magnitude in the..
Two crates of mass 65 kg and 125 kg are in contact and at rest on horizontal surface. A 650 N force is excerted horizontally on the 65 kg crate. evaluate the acceleration of the system
A series RLC circuit has a resistance of 24 %u03A9 and an impedance of 100 %u03A9. what average power is delivered to the circuit
As soon as a traffic light turns gree, a car speeds up from rest to50.0 mi/h with constant acceleration 9.00 mi/(hr s). In theadjoining bike lane, a cyclist speeds up from rest to 20.0 mi/hwith a constant acceleration 13.0 mi/(hr s).
A railroad car of mass 2.00 x 10^4 kg moving at 3.00 m/s collides, What is the speed of the three coupled cars after the collision
An 18 g rifle bullet traveling 210 m/s buries itself in a 3.9kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. find the vertical and horizontal components of the pendulum's displacement.
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Find the period of the orbit
What is the total displacement and the angle of displacement
An electron starts from rest 5.00 cm from the center of a uniformly charged sphere of radius 4.00 cm. If the sphere carries a total charge of 1.00 x10-9 C, how fast would the electron be moving when it reaches the surface of the sphere.
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