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# Medical
A particle executing simple harmonic motion comes to rest at the extreme positions. Is the resultant force on the particle zero

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R Rohan

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

# NCERT

Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.

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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...
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# Medical

Water Canal System is the feature of

A.

Hydra
 
B.

Sea anemone
 
C.

Sycon
 
D.

Pheretima

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P Paras Sharma

Sycon

# NCERT

Give me a easy answer 

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A Anup

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.

 

# Medical
Select the correct option with respect to mitosis.

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K kartik

yup

# Medical

What is antigen?

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A Ajith

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

# Medical

well in a reference book iits stated that phosphorus is a constituent of cell membrane, part of protein and dna and rna synthesis.

but in an explanation for the question for mineral transport exam of career 360 its stated thatc phosphorus is not a constituent.

which one is correct?

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P Priyanka Kumari
Phosphorus is also a component of cell membrane structure but in the form of phospholipids, 
# Medical
What is the difference between periodic and oscillatory motion?

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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.
# Medical
A particle executing simple harmonic motion comes to rest at the extreme positions.Is the resultant force on the particle zero at these positions according to Newton's first law?

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D Deependra Verma
A. No. Because x = A, at extreme. and Force is given as    So 
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# Medical
Pollination of the hyacinth and water lily is brought about by the agency of?

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P Priyanka Kumari
Pollination of the hyacinth and water lily is brought about by the agency of insects and winds.
# Medical
Is assertion reason asked in neet2020

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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.
# NCERT

Q2. What shape is (a) Your instrument box? (b) A brick? (c) A matchbox? (d) A road-roller? (e) A sweet laddu?

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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
# NCERT

Find (i)\frac{7}{9}-\frac{2}{5} \ \ \ \ \ (ii) 2 \frac{1}{5}-\frac{(-1)}{3}

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A Ajeet Singh

1:-  0.5

2:-  2.5

# NCERT

What will be the additive inverse of \frac{-3}{9} ?, \frac{-9}{11} ?, \frac{5}{7} ?$

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R Ravindra Pindel
The additive inverse of   The additive inverse of  The additive inverse of  
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# Medical
What is the formula of the molar specific heat for the Polytropic Process?

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

i need my class 6th admit card for nvs entrance sahil purohit vishakapatnam

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S Shilpa Suresh

 

  1. Go to the official website of Jawaharlal Navodaya Vidyalaya.
  2. Click on the Admission link.
  3. Click on the class 6th Admit Card link.
  4. Enter the "login credentials" & download the admit card.

 I hope this can help you out.........

# NCERT

What is the last date of Class 12 admission

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N neha

Mention the school and board of admission

# NCERT

What is binary number

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N neha

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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# Engineering

1. To at Rot Rat - 1 sin 60° cos 30° + sin 30° cos 60° (1) 2 tan 450+ cos² 30° - sin 60° cas 450 un soc 30 + cosec 30° (v) sin 30° + tan 45° - cosec 60° soo 30° + cos 60° + cot 45° scor 60° + 4 sec 30° - tan* 45° sin 30° + cos² 30°

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R Ronak bhalala

Question is not clear. please send again

# Engineering

1:16 PM | 0.0KB/s ( ... vo 4G LTE rullah school.careers360.com CAREERS 360 GET APP • Tourism Hospitality • Media Entertainment & Animation Science March 25, 2020 March 30, Mathematics 2020 April 1, 2020 ITES (Information Technology & Enabling Services) (For Govt. Model Sr. Sec. School, SLCE SEC-28 Faridabad only) Official HBSE 10th Date Sheet 2019 pdf Click here This browser does not support Get Updates Download Brochure

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N neha

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