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Home /Doubts and Solutions/ICSE/Class 9/Physics/Motion In One Dimension

# Motion In One Dimension Free Doubts and Solutions

## Along with the question I had asked a doubt. This is the doubt. How is it possible to construct a velocity-time graph when only the time is given? How did you assume that the initial velocity is 30m/s?

Asked by Suneel 27th June 2017, 12:24 PM

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## 1. How to find the slope in displacement time graph? (Any good example for explanation of calculating the slope)

Asked by Vedansh 2nd March 2016, 11:50 PM

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## Please answer the following questions with figure. 1.An elevator starts from rest with a constant upward acceleration.It moves 2 m in the first 0.6s.A passenger in the elevator is holding a 3kg package by a vertical string.The tension in the string during acceleration is: 2.A boy spots a ball that goes up past an open window.The ball,which passes very close to the window is in view of the boy for 0.25s while going up and the top to bottom height of the window is 2m.What is the ball upward velocity at the bottom of the window?  3.A closed compartment containing a gas is moving with some acceleration in horizontal direction.Neglect effect of gravity.Then the pressure in the compartment is:

Asked by goyal.rishabh77 24th September 2015, 6:00 PM

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## a ball is thrown vertically upwards and reaches a maximum height of 29.4 m. Find initial velocity, final velocity when it reaches the ground and time to reach the ground.

Asked by jyoti kolhatkar 15th January 2014, 5:51 PM

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## An insect is sitting on the edge of a wheel of diameter 70 cm . The wheel is moved ahead by a distance of 11 m along a straight path by rotating five times . What is the displacement of the insect sitting on the wheel.

Asked by 15th December 2013, 8:55 AM

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## A parachute jumper is descending down at a uniform velocity of 10 km/h.Is this an accelerated motion? If yes,then what is the magnitude of his acceleration/

Asked by 15th December 2013, 8:51 AM

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## A train travels with a speed of 60 km/h from station a to station b and then comes back with a speed of 80 km/h from station b to station a. Find:1 average speed of the train. Please explain the method to solve this. Thank you.

Asked by TITIKSHA TRIPATHY 18th November 2013, 7:15 PM

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## an aeroplane is flying with the speed of 400 m/s lands on airport and covers distance of 200 m find the acceleration.

Asked by PRATIK PAWAR 10th August 2013, 2:03 PM

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## Who is mrs.baruah?

Asked by om 27th June 2013, 5:20 PM

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## What is distance?

Asked by om 27th June 2013, 11:59 AM