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A ball of mass m = 2.1 kg moving with a speed of v0 = 15.2 m/sstrikes an identical ball which was initially at rest. After thecollision, the incoming ball (ball 1) goes off at q1 = 28°relative to its original direction and the struck ball (ball 2)moves off at q2 = 38°.a) What is the magnitude of the initial momentum of the two ball system?b) What is the ratio of the balls' final speeds?Since there is no vertical momentum before the collision, the netvertical momentum must be zero after the collision.Since the vertical momentum must be zero after the collision,what does that tell us about the ratio of vertical momentum of thetwo balls?c) What is the final speed of the incoming ball? v1d) What is the final speed of the struck ball? v2
A small package rests on the horizontal dashboard of a car. If ?s = 0.275, what is the minimum acceleration of the car that will cause the package to slip off
An 86lb net force is applied to a 42 Kg object at an angel. Determine the object's acceleration magnitude and direction
A lens with a focal length of 25 cm and a concave mirror with a radius of curvature of 100 cm are placed 1.0 meters apart. determine if it is real or virtual
the maxium compresional stress that a bone can with stand is 1.6 * 10^8 N/m^2 before it breaks.What is the maxium compresional force that can be applied to the femur bone
You measure the activity of a radioactive sample, then wait a few days and measure it again. What is the half-life of the substance
A capacitor has circular plates of radius 10 cm separated by 1 mm. If the capacitor is connected to a 12 volt battery, What will be the charge on the capacitor
a parallel-plate air capacitor is made by using two plates 16 cm square spaced 4.7 mm apart. it is connected to a 12-v
A horizontal 605 N merry-go-round of radius 1.31 m is started from rest by a constant horizontal force of 77.9 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go- round
a 150 Watt computer (computer plus flat panel monitor) is turned on 8.0 hours per day. if electricity costs $0.15/kWh, how much does it cost to run the computer annually
a small object is 10 cm to the left of a converging lens f 5 cm and a second diverging lens f -3.3 cm is 5.8 cm to
The index of refraction for red light in water is 1.331, and thatfor blue light is 1.340. If a ray of white light enters the waterat an angle of incidence of 88.20°, what are the under water angles ofrefraction for the blue and red components of the ..
A particle of mass m moves in a conservativ force field. Find the Lagrangian function and the equation of motion in cylindrical coordinates (ρ,φ,z).
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