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You throw a 13 g rock and it leaves your hand at a speed of 17 m/s.
(a) What is the de Broglie wavelength of this rock?
m
(b) If the momentum of the rock is known to an accuracy of 0.70 kg·m/s, what is the minimum uncertainty in its position?
Three capacitors, C1, C2 = 2C1 and C3 = 3C1 are connected in parallel to a voltage source of value V. What is the voltage across each capacitor when all three switches are closed
A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2. How much energy is received by the eardrum per second
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
There is an 80 kg beam attached to a hinge on a wall and supported by the cord. The angle between the cord and the beam is 25 degrees. The beam is 4.5 m long., and cord is attached to the beam a metre from the beam's end. There is a 20 kg beam hangin..
From colonial times through the 1960s, the primary mode of mental illness treatment was institutional. What factors were responsible for this shift
A 0.57-mH inductor and a 131-? resistor are placed in series with a 24-V battery. What is the maximum energy stored in the inductor
you accelerate your car starting from rest. while the car is increasing its speed, the frictional force acting from the road on the tires? A) directed backword, opposing the motion B)IS directed vertically uo, C) is directed forward, in the direct..
define the speed with which the cart reaches positions 3, 2, and 1 (in that order). Neglect friction. Let g = 9.81 m/s2.
Two parallel plates are 4.0 cm apart. The bottom plate is charged positively and the top plate is charged negatively, producing a uniform electric field of 5.0 * 10 exp 4 N/C in the region between the plates.
Two long, parallel wires are separated by a distance of 3.40. The force per unit length that each wire exerts on the other is 3.20×10-5, and the wires repel each other. The current in one wire is 0.6690.
What is the minimum speed you must give the air at the top. find its final kinetic energy.
A flute player hears four beats per second when she compares her note to the 523 tuning fork (the note C). She can match the frequency of the tuning fork by pulling out tuning joint to lengthen her flute slightly. What are the three possible value..
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