Units and Measurement
by
Manoj Jaiswar ( PMJ Sir )
August 21, 2022
The masses of two bodies are measured to be 15.7 ± 0.2 kg and 27.3 ± 0.3 kg. What is the total mass of the two and the error in it?
Posted by Manoj Jaiswar ( PMJ Sir )
Distinguish between elasticity and plasticity
ELASTICITY The property by which a body regains is original shape and size…
A wave of frequency 500 Hz is travelling with a speed of 350 m/s. (a) What is the phase difference between two displacements at a certain point at times 1.0 ms apart? (b) what will be the smallest distance between two points which are 45º out of phase at an instant of time?
The given that can be listed is frequency n = 500Hz speed v = 350m/s we c…
An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity? How long will the object take to come back to the earth? Assume g = 10 m/s²
We can list the data as, height covered or distance covered, s = 500m g = …