SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A ball falls on an inclined plane as shown in Fig. The ball is dropped from height . Coefficient of restitution for collision is  and the surface is frictionless. If are heights of  projectiles and are their corresponding time of flights, then

  1.  form a geometric progression of common ratio
  2. , …,   form a geometric progression of common ratio
  3.  form a geometric progression of  common ratio

Evaluate the above statements and choose the correct option from the following

a)

Statements i, ii are true and iii,iv are false

 

b)

Statements i, ii, are false and iii,iv are true 

 

c)

All statements are true

 

d)

All statements are false


Question ID - 100350 :-

A ball falls on an inclined plane as shown in Fig. The ball is dropped from height . Coefficient of restitution for collision is  and the surface is frictionless. If are heights of  projectiles and are their corresponding time of flights, then

  1.  form a geometric progression of common ratio
  2. , …,   form a geometric progression of common ratio
  3.  form a geometric progression of  common ratio

Evaluate the above statements and choose the correct option from the following

a)

Statements i, ii are true and iii,iv are false

 

b)

Statements i, ii, are false and iii,iv are true 

 

c)

All statements are true

 

d)

All statements are false

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

After the first collision, velocity perpendicular to the inclined plane becomes  Time of flight,



Next Question :

 

Choose the true statements

I. Innate immunity is accomplished by providing different types of barriers

II. Acquired immunity is present from the birth and is inherited from parents

III. Sweat, tears, acid in the stomach and saliva prevent microbial growth

Codes

I

II

III

 

1)

True

False

True

2)

True

True

False

3)

False

False

True

4)

False

True

False


View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.


SaraNextGen