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to measure the mass of an object, the object and a fixed 1.00 kg mass are held at rest on a frictionless surface with a llight spring under compression between the two objects. the system is then release; the 1.00 kg mass moves away from the"explosion" with a speed of 3.20 m/s, and the unknown mass moves in the opposite direction with a speed of 1.70 m/s. what is the mass of the object?
The force of repulsion that two like charges exert on each other is 4.0 N. What will the force be if the distance between the charges is increased to 6 times its original value.
A 67? resistor, an 9.0?F capacitor, and a 36mHinductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300 Hz
Important information about Initial kinetic energy of the object Point A is situated at the bottom of a rough plane which is inclined at 45 degrees to the horizontal. A body of mass 0.5 kg is projected from A along and up the line of greatest slop..
A charge of 2.65mC is placed at each corner of a square 0.450m on a side, Determine the direction of the force on a charge
The sensor in the torso of a crash-test dummy records the magnitude and direction of the net force acting on the dummy. If the dummy is thrown forward with a force of 570N while simultaneously being hit from the side with a force of 2400-N, what f..
Conclude a rough "scale factor" or "plate scale." Measure the distances in mm or cm between each of the marked wavelengths and average the results.
Coherent light with wavelength 601 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3.00 from the slits.
To determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 .
A cosmic-ray proton in interstellar space has an energy of 10 MeV and executes a circular orbit having a radius equal to that of Mercury's orbit around Sun (5.80 × 1010 m). What is the magnetic field in that region of space.
Calculate the scale height for water vapor in the Earth's atmosphere, Use this information to state whether telescopes atop mount kea would be better for infrared astronomy than one's at sea level
A wire is stretched between two posts. Another wire is stretched between two posts that are four times as far apart. The tension in the wires is the equal, and they have the same mass.
A 50.0g silver spoon at 20.0c is placed in a cup of coffee at 90 c. How much heat does spoon absorb from the coffee to reach a temperature of 89c.
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