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A 1.9kg block slides along a frictionless surface at 1.7m/s . A second block, sliding at a faster 4.9m/s , collides with the first from behind and sticks to it. The final velocity of the combined blocks is 3.1m/s .
Part A What was the mass of the second block?
Consider a hot-air balloon. The deflated balloon, gondola, and two passengers have a combined mass of 315 kg, Then find the temperature of the air inside the balloon
Suppose an object is set sliding, with a speed less than escape velocity, on an infinite frictionless plane in contact with the surface of the Earth. Describe its motion.
A heart defibrillator passes 11.0 A through a patient's torso for 5.00 ms in an attempt to restore normal beating, What was the path's resistance?
An uncharged capacitor is connected to the terminals of a 4 battery, and 12 flows to the positive plate. The 4 battery is then disconnected and replaced with a 7 battery, with the positive and negative terminals connected in the same manner as bef..
There is a function generator driving a series RC circuit. The function generator provides an AC current of I(t) = Io sin(2? f t), What is the reactance of the capacitor
An in compressible fluid is flowing through a pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. What is the diameter of the narrow section for the pressure of the fluid in the narrow section to equal t..
The head of a rattlesnake can accelerate at 50 m/s^2 in striking a victim. If a car can have the same acceleration, how long would it take for it to reach a speed of 100 km/h from rest.
An air bubble has a volume of 1.25 cm3 when it is released by a submarine 100 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
An asteroid is discovered heading straight toward Earth at 15km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 29degree to its original path at a..
In a typical Hollywood movie stunt, a person jumps off a building and lands on a cushion to safely stop. How much voltage should the battery have to stop the object as it reaches the ground
The mass of a copper atom is 1.54 10-25 kg, and the density of copper is 8 920 kg/m3. Find the edge dimension of each cube
An undamped oscillator has period 0 = 1.000 seconds, but I now add a little damping so that its period changes to 1 = 1.001 seconds. What is the damping factor ? By what factor would the amplitude of oscillation decrease after 10 cycles.
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