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CBSE Class 9 Answered

derive the equation of motion v = u + at, using graphical method.
Asked by kulwinderbhatia1256 | 03 Jun, 2019, 08:14: PM
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Equation of motion v = u + at
Answered by Shiwani Sawant | 04 Jun, 2019, 01:08: PM

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CBSE 9 - Physics
A body moving with uniform acceleration  travels 84m in 6seconds and 264m in 11seconds.  Find acceleration and initial velocity? (In detail)
Asked by sagrawal0081 | 18 Aug, 2023, 05:04: PM
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CBSE 9 - Physics
question 1) A body is projected vertically upwards from top of the tower with the velocity of 30m/s. if it takes 8sec to reach on ground then what is the height of the tower (g=10ms). what is the total distance travelled by the body. question 2) A body is dropped from the height of h covers by 64% distance in its last second.find out thte total tim of the ball and height. question 3) A body projected vertically upward, At the half  of its maximum height its velocity becomes 20m/s, what is the maximum height attained by the body. question 5) A body is projected vertically upward from ground. the time of flight is 8 sec find the velocity of projection.
Asked by ketkiparasgandhi | 05 Jul, 2023, 08:02: PM
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CBSE 9 - Physics
can velocity be constant with acceleration?
Asked by adityatripathi84418 | 02 May, 2023, 10:29: PM
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CBSE 9 - Physics
A car is traveling with a speed of 54 km/hr the driver applies the break and retards the car uniformly.the car is stopped in 5 seconds 1) The redardation of the car 2)Distance travelled before it is stopped after apply the break
Asked by rsaranya658 | 30 Jun, 2022, 02:44: PM
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CBSE 9 - Physics
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Asked by sanskargunjkar01 | 26 Jun, 2022, 09:13: AM
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CBSE 9 - Physics
how is equation if motion is formed in graphical method
Asked by poornimaram165 | 21 Jun, 2022, 09:16: PM
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CBSE 9 - Physics
A ball thrown up vertically returns to the earth after 12 seconds. Find the velocity with which it was thrown up.
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CBSE 9 - Physics
Equation for position time relation
Asked by pradeepkumarbhegde5175 | 12 Jan, 2022, 11:25: PM
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CBSE 9 - Physics
Two balls are dropped to the ground from different heights. one ball is dropped two second after the other but both hit the ground at the same time if the first ball takes 6 second to reach the ground then what is the initial difference between their heights take g is equal to 10 metre per second square
Asked by debargharoy057 | 25 Sep, 2021, 09:48: AM
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CBSE 9 - Physics
a rocket which is moving with velocity 50m/s. eject out its secondary engine and its start to accelerate with 5m/s². for next 10 seconds while entering into space. than it moves with uniform velocity. calculate this uniform velocity and the distance covered in 27 seconds. after ejection of secondary engine.
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