Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

Comment on the given statement. "Earth moves round the sun with uniform velocity".
Asked by | 10 Jun, 2008, 05:44: PM
Expert Answer

earth move round the sun at constant speed.. of about 29.8 km/sec, in cicular motion the velocity of any body is not constant it always change with time as the body moves form one point to another therfore the velocity of a body is not constant but its speed is constant.....

Answered by | 11 Jun, 2008, 12:14: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 9 - Physics
An object starts from rest and travels 20m in first 2 s and 160 m in 4 s . Find its velocity 7 s after the start .
Asked by asyadav1230 | 20 Dec, 2022, 07:17: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
Two points A and B are located on the floor of a room 30cm and 20cm away from a wall. The distance between the points parallel to the wall is 50cm. An insect is at moving on the floor at 5cm/s. It has to first reach a point C on the wall and then reach B such that AC and BC make equal angles with Normal to the wall at C. The time taken for this  motion will be
Asked by rajesh kumar | 21 Oct, 2022, 08:15: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
A student starts with a velocity 40 km/hr for school at 4 km away from his house. Due to closing of school he returns soon to his house with a velocity of 60km/hr.His average velocity will be.
Asked by manognabandla2004 | 08 Sep, 2022, 07:55: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Time- 0 10 20 30 40 50 Speed- 5 10 15 20 25 30 Find the distance travelled in 50 seconds
Asked by akshatdhamija1409 | 15 Jul, 2022, 11:16: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
a body goes from a to b with a velocity of 20ms and come back from b to a the average velocity of 30ms the average velocity of the body during the whole journey is
Asked by ayushyadav70303 | 12 Jul, 2022, 07:32: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
why is it necessary for acceleration to be based on velocity but not on speed? why we dont consider the increasing speed of rectilinear motion as acceleration? why is it so in the first place?
Asked by kempersi267k | 01 Jul, 2022, 06:36: PM
ANSWERED BY EXPERT
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
ANSWERED BY EXPERT
CBSE 9 - Physics
...
Asked by sanskargunjkar01 | 26 Jun, 2022, 09:13: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
how is equation if motion is formed in graphical method
Asked by poornimaram165 | 21 Jun, 2022, 09:16: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
definition of Motion
Asked by bablibhati187 | 21 Jun, 2022, 01:48: PM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get FREE Sample Mock Papers for Final Exams
Download Now
×