Doors of a dam are 20m below the surface of water in the dam. If one door is opened what will be the speed of the water that flows out of the door ?
The given can be listed as, h= 20m g = 9.8m/s² To find, v = ? Solution -��…
The mass and weight of an object on earth are 5 kg and 49 N respectively. What will be their values on the moon? Assume that the acceleration due to gravity on the moon is 1/6th of that on the earth.
As per the given data, we can list the data as, mass on earth , m = 5kg Weight on ear…
The radius of planet A is half the radius of planet B. If the mass of A is MA, what must be the mass of B so that the value of g on B is half that of its value on A?
As per the question we can list the data as To find - Solution - Using the formula …
An object takes 5 s to reach the ground from a height of 5 m on a planet. What is the value of g on the planet?
The given in the question can be listed as time t = 5s height h = 5m initial velocity…
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 can find wave…
Distinguish between elasticity and plasticity
ELASTICITY The property by which a body regains is original shape and size after remov…
Chandrayan Footage Joke ( Hindi)
अगली बार कोई तुम्हे कहे के तुम चांद जैसी खूबसूरत हो, तो याद रहे के वो तुम्हारी तारीफ न…
State Bohr's Atomic Model
First Postulate - In an atom, the electron revolve around the nucleus in circular or…
Calculate the viscous force acting on a rain drop of diameter 1 mm, falling with a uniform velocity 2 m/s through air. The coefficient of viscosity of air is 1.8 × 10^-5 Ns/m².
As per the question we can list some data as, diameter d = 1mm velocity v…
A light bulb is rated 100W for 220 V AC supply of 50 Hz. Calculate (a) resistance of the bulb. (b) the rms current through the bulb.
the given can be listed as Power P = 100W To Find , Resistance R = ? …