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Mechanics | Relativity
With what tension must a rope with length 5. 0m and mass 0. 16kg be stretched for transverse waves of frequency 60. 0Hz to have a wavelengths of 0. 80m?
Mechanics | Relativity
Two masses of 3 kg and 5 kg are connected by a light string that passes over a smooth pulley. Determine the tension of the string
Mechanics | Relativity
Town A and B are 390 km apart. A car travels from town A at 70 km/h. At the same time
a Van starts to travel at 60km/hr from Town B. When and where do the car and the van
meet each other?
a Van starts to travel at 60km/hr from Town B. When and where do the car and the van
meet each other?
Mechanics | Relativity
Two cars leave from the same place at the same time and travel in opposite direction.
One car travel at a constant velocity of 55 km/h and the other at 75 km/h. After how many
hours will there be 520 km apart?
One car travel at a constant velocity of 55 km/h and the other at 75 km/h. After how many
hours will there be 520 km apart?
Mechanics | Relativity
A border patrol helicopter set out to catch a drug smuggler on a speed boat. The speed
boat is travelling south of manila going 27m/sec and left 2 hours ago. If the helicopter
leaves now and travel 67 m/sec. how long will it take to catch the smuggler.
boat is travelling south of manila going 27m/sec and left 2 hours ago. If the helicopter
leaves now and travel 67 m/sec. how long will it take to catch the smuggler.
Mechanics | Relativity
A parallel resonant circuit has a capacitor 100pF in one branch and the impedance of 100 micro Henry plus a a resistance of 10 ohms in another parallel branch, calculate:
(a) resonant frequency
(b) impendance of the circuit at the resonance and the line current at resonance
(c) Q-quality factor of the circuit
Mechanics | Relativity
For a particle undergoing uniform circular motion, show that
(i) the velocity of the particle is perpendicular to the position vector, and
(ii) the acceleration of the particle is perpendicular to its velocity.
(i) the velocity of the particle is perpendicular to the position vector, and
(ii) the acceleration of the particle is perpendicular to its velocity.
Mechanics | Relativity
A stone of mass 0.5kg attached to a string of length 50cm will break when the tension exceed 20N. The stone is whirled in a vertical circle, the axis of rotation at height 100cm above the ground. At what position and angular speed is the break most likely to occur.
Mechanics | Relativity
if E=1/2mv2 .where m=52.4+ or _0.2,v=25.6+ or_0.1 what is the percentage error in F
Mechanics | Relativity
When the vertical lifting of a body weighing 2 kg to a height of 10 m was performed work 240 J. Determine the acceleration of the body.
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#340153 on Dec 2023
#340153 on Dec 2023