FISIKA KKI 21
In a Millikan oil drop experiment a student sprayedoil droplets with a density of 780 kg/m³ between two horizontal parallel plates that were 6.0 cm apart. The student adjusted the…
FISIKA KKI 22
A person stands 40 m away from a flag pole. With a protractor at eye level, he finds the angle between the line from the top of the flag pole…
FISIKA KKI 23
A 10 kg box moves at 5 m/s on a horizontal, frictionless surface runs into a light spring of force constant 10,000 N/m. By using the work energy theorem, the…
FISIKA KKI 24
A 1.25 kg mass is attached to the end of a 80 cm string. The system is whirled in a horizontal circular path. The maximum tension that the string can…
FISIKA KKI 25
A box of food is dropped from a rescue plane flying at a velocity of 252 km/h in the horizontal direction. In a very short time, the box is released…
FISIKA KKI 26
A stone of mass m is tied to a thread. The thread with a stone is rotated in a vertical circle with the length of the thread L. Assuming negligible…
FISIKA KKI 14
Initially, a sphere A has a charge of -50e and a sphere B has a charge of +20e. The spheres are made of conducting materials and are identical in size.…
FISIKA KKI 15
The quartz crystal used in an electric watch vibrates with frequency of 32.768 Hz. The period of the crystal motion is ....
FISIKA KKI 16
An ice cube having a mass of 50 grams and an initial temperature of -10 degrees Celsius is placed in 400 grams of 40 degrees Celsius water. The specific heat…
FISIKA KKI 17
A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.5. You grab one end of the board and lift…
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