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no it is no zero bec acc is maximum.

F=-kx

so when x maximum at extreme then force would be maximum

but velocity is zero consiter a spring block system for better understanding

P Priyanka Kumari
Three groups of plants that bear archegonia are given below: Bryophytes Pteridophytes Gymnosperms. The life cycle of a pteridophyte, then it consists of two morphologically distinct phases: (i) The gametophytic phase (ii) The sporophytic phase. These two phases come one after another in the life cycle of a pteridophyte and this phenomenon is called alternation of generation. The gametophyte...

P Paras Sharma

Sycon

The difference in mass makes the pull of earth stronger so it rortates around earth.It does not move closer because its in equilibrium,its roations and revolution counteract the pull of the earth.It remains so because its angular moomentum is conserved.

yup

antigen is the foreign substance or organism that enters to the body of  the  host, all antigens are not pathogenic

P Priyanka Kumari
Phosphorus is also a component of cell membrane structure but in the form of phospholipids,

D Deependra Verma
The word oscillatory refers to something that moves back and forth repeatedly. The word periodic refers to something that repeats after a regular amount of time. While oscillatory motion will almost certainly be periodic, not all periodic motion will be oscillatory.

D Deependra Verma
A. No. Because x = A, at extreme. and Force is given as    So

P Priyanka Kumari
Pollination of the hyacinth and water lily is brought about by the agency of insects and winds.

P Priyanka Kumari
Yes, in every section (Physics, Chemistry, Zoology, and Botany )of the paper assertion and reasoning questions being asked and around a total of 45 questions are there are of assertion and reasoning.

A Amit Singh
the shape of the following things are (a) Your instrument box- Cuboid (b) A brick- Cuboid (c) A matchbox-Cuboid (d) A road-roller- Cylinder (e) A sweet laddu-Sphere

A Ajeet Singh

1:-  0.5

2:-  2.5

R Ravindra Pindel

A Avinash Dongre
A process  is called polytropic process  And Specific heat For polytropic process is given by

S Shilpa Suresh

1. Go to the official website of Jawaharlal Navodaya Vidyalaya.

Mention the school and board of admission

A binary number uses only two digits zero and one. In a binary system, numbers are represented as follows

 NUMBER AS INTEGER NUMBER IN BINARY 0 00 1 01 2 10 3 11 4 100 5 101 6 110 7 111

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