Q.

A particle is projected horizontally from a tower with velocity 10 ms-1. Taking, g = 10 ms-2. Match
the following two columns at time t = 1 s and mark the correct option from the codes given below.

Column.!

(A) Horizontal component of velocity

(B) Vertical component of velocity

(C)  Horizontal displacement

(D) Vertical displacement

Column.!I

(p) 5 SI units

(q) 10 SI unit

(r) 15 SI unit

(s) 20 SI unit

  

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a

A B C D

q q q p

b

A B C D

p q s r

c

A B C D

q q s p

d

A B C D

q p r s

answer is D.

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Detailed Solution

In horizontal projectile motion,
Horizontal component of velocity,
ux=u=10 ms-1
Vertical component of velocity,

  uy=gt=10×1=10 ms-1
Horizontal displacement 

=u×t=10×(1)=10 m

Vertical displacement

 =12gt2=12×10×(1)2=5 m
 

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A particle is projected horizontally from a tower with velocity 10 ms-1. Taking, g = 10 ms-2. Matchthe following two columns at time t = 1 s and mark the correct option from the codes given below.Column.!(A) Horizontal component of velocity(B) Vertical component of velocity(C)  Horizontal displacement(D) Vertical displacementColumn.!I(p) 5 SI units(q) 10 SI unit(r) 15 SI unit(s) 20 SI unit