RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 32

HARD

RRC Group D CBT

IMPORTANT

Earn 100

A car starts from rest and moves on a straight road with a uniform acceleration of $10 m / s^{2}$ for the first $10$ seconds. During the next $10$ seconds, the car moves with the velocity it has attained. What is the total distance covered by the car in $20$ seconds?

50% studentsanswered this correctly

Important Questions on General Science

MEDIUM

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 33

If a car goes from A to B at

60 k m / h

, and returns from from B to A with the speed of

40 k m / h

, what is its average speed?

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 34

The flying of a bird is proof of Newton's _____.

EASY

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 35

A

5 k g

object attached to a nylon cord outside a space vehicle is travelling in a circular orbit of a

10 m

radius with a speed of

4 m / s

. What is the force acting on the cord?

MEDIUM

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 36

The incorrect statement about distance is _____.

HARD

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 37

Choose the incorrect statement for the equation

v = u + a t

:

MEDIUM

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 38

The escape velocity of a planet of Mass '

M

' and radius '

R

' is given by:

HARD

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 39

The escape velocity of the earth is _____.

HARD

RRC Group D CBT

IMPORTANT

RRB Level 1 Group D : A Complete Study & Practice Package>Chapter 7 - General Science>Practice Exercise>Q 40

For a given velocity of projection, the maximum range of a projectile can be achieved if an angle of projection is _____.