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Suppose a clay model of a koala bear has a mass of 0.27 kg and slides on ice at a speed of 1.124 m/s. It runs into another clay model,which is initially motionless and has a mass of 0.457 kg. Both being soft clay, they naturally stick together. What is their final velocity?
a hollow spherical iron shell floats almost completely submerged in water. the outer diameter is 69.1 cm and the
Two carts with masses of 5.00 kg and 2.64 kg move toward each other on a frictionless track with speeds of 4.86 m/s and 3.46 m/s correspondingly. The carts stick together after colliding head-on. Find the final speed.
The earth's field produces an electric potential difference from one end of the cable to the other. The idea is to use a system like this to generate electric power in space more efficiently than with solar panels. Explain why a potential differen..
A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in publishing business is a point, defined as 1/72 inch. What is an area..
The temperature in Browning, Montana, was 44.0 °F on January 23, 1916. The next day the temperature plummeted to - 56.0 °F. What was the temperature change in Celsius degrees?
An initially uncharged 3.31-?F capacitor and a 8.11-k? resistor are connected in series to a 1.50-V battery that has negligible internal resistance. Calculate the circuit\'s time constant in milliseconds
A scalloped hammerhead shark swims at a steady speed of 1.8m/swith its 83 cm-cm-wide head perpendicular to the earth's52 μT magnetic field. What is the magnitude of the emf induced among the two sides of the shark's head?
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This ispossible because the triceps muscle applies an upwardforce perpendicular to the arm, as the figure indicates.
Two forces act on a 55 kg object. One force has magnitude 65 N direction 59 degree clockwise from the positive x-axis, What is the magnitude of this object's acceleration
An astronaut on a distant planet wants to determine its acceleration due to gravity. What is the acceleration (magnitude and direction) due to gravity on this planet
The figure shows two 22.7 kg ice luges that are at rest and placed a short distance apart, one directly behind the other. What are the final speeds of the first luge
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
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