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Physics
The initial speed of a car having excellent brakes is 30 mi per hour. When the brakes are applied, the car stops at around 2.0 second. What is the car acceleration?
Physics
A 900g stone is pushed along a tarmac by a horizontal force of 20N. A frictional force of 8N opposes the motion. What is the acceleration given to the stone?
An oil film of thickness 0.12 micrometer rests on a pool of water. If a ray strikes the film at an angle of 60°,what is the wavelength reflected in the first order?
What is kinetic energy of relativistic particle.
Physics
The frequency of a fundamental note from a closed pipe is 200Hz. What is the frequency of the next possible note from the same pipe?
Physics
A pipe closed at one end is sounding its fundamental note. If the length of the pipe is 10cm, calculate the wavelength of the note. (neglect end correction of the pipe).
Physics
A bus travell a total distance of 225km in 5hr.find it's average speed?
Write down notes on hooks law in elasticity.
What is capillary effect in fluid dynamics?
What is newton law for Gravitational.
