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The drawing shows a collision between two puckson an air-hockey table. Puck A has a mass of 0.0190 kg and ismoving along the x axis with a velocity of +4.63 m/s. It makes acollision with puck B, which has a mass of 0.0380 kg and isinitially at rest. The collision is not head-on. After thecollision, the two pucks fly apart with the angles shown in thedrawing. Find the speed of (a) puck A and (b) puck B.
A violin string vibrates at 264 Hz when unfingered. At what frequency will it vibrate if it is fingered one fourth of the way down from the end
A pendulum consists of a ball of mass m=0.5kg attached to a string of length L=0.75m. find the tension in the string at the bottom of the swing
A 5.4kg object is suspended by a string from the ceiling of anelevator. The acceleration of gravity is 9.8m/s^2. Determine the tension in the string if it is accelerating upward at a rate of 3.8m/s^2.
The difference in potential between the accelerating plates of a TV set is about 26000 V. If the distance between these plates is 1.5 cm, find out the magnitude of the uniform electric field in this region.
a student argues the followingwe know that vmax aomega. so if we know the position of a mass on a spring we can
A consumer upset with the latest trend of postal rate increases has decided to try to send letters by balloon even though they may not reach their intended destination
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.69 m and 1.04 m, respectively. The respective rotational speeds are 452 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors
One end of a spring of constant k =100 N/m is attached to a wall.To the other end is attached a mass, m = 2.1 kg. Find the period of simple harmonic motion for the mass
A car moving at 35 m/s approaches a stationary whistle that emits a 220Hz sound. The speed of sound is 343m/s. What is the frequency of sound heard by the driver of the car
suppose that the speed of light in a vacuum were one million times smaller than its actual value c 3.00 times 102 ms.
a thin slab of charge length l width w and surface charge density sigma lies along the x-y plane. supose you want to
A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. Calculate the coffee's rate of heat loss by radiation
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