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Recent questions tagged rest and motion : kinematics
+1
vote
1
answer
A particle moves along the X-axis as x = u(t – 2 *)+ a(t – 2 *)^2. (a) the initial velocity of the particle is u
asked
Mar 26, 2019
in
JEE
by
kratos
forces
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+3
votes
1
answer
In the arrangement shown in figure (3-Q3), the ends P and Q of an inextensible string move downwards with uniform speed u,
asked
Mar 25, 2019
in
Class 12
by
kratos
class-12
class-11
rest and motion : kinematics
kinematics
+1
vote
1
answer
Three projectiles A, B and C are projected at an angle of 30°, 45°, 60° respectively. If RA, RB and RC are ranges of A,
asked
Mar 12, 2019
in
Class 12
by
kratos
nda
rest and motion : kinematics
class-11
kinematics
class-12
electric current in conductors
+2
votes
1
answer
A person standing near the edge of the top of a building throws two ***** A and B. The ball A is thrown vertically upward and B is thrown vertically ,
asked
Mar 11, 2019
in
Class 12
by
kratos
motion in a straight line
class-11
kvpy
ntse
class-12
rest and motion : kinematics
+3
votes
1
answer
In the arrangement shown in figure (3-Q3), the ends P and Q of an inextensible string move downwards with uniform speed u.
asked
Mar 5, 2019
in
JEE
by
kratos
class-11
jee
kinematics
jee mains
nsep
laws of motion
class-12
rest and motion : kinematics
+2
votes
1
answer
A person travelling on a straight line moves with a uniform velocity v1 for some time and with uniform velocity v2 for the next equal time.
asked
Feb 26, 2019
in
JEE
by
kratos
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+1
vote
1
answer
A particle has a velocity u towards east at t = 0. Its acceleration is towards west and is constant.
asked
Feb 19, 2019
in
Class 12
by
kratos
class-11
class-12
rest and motion : kinematics
kinematics
+2
votes
1
answer
A man is standing on top of a building 100 m high. He throws two ***** vertically, one at t = 0 and other after a time interval (less than 2 seconds).
asked
Feb 16, 2019
in
Class 12
by
kratos
motion in a straight line
neet
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+2
votes
1
answer
In a projectile motion the velocity (a) is always perpendicular to the acceleration (b) is never perpendicular to the acceleration
asked
Feb 10, 2019
in
JEE
by
kratos
cbse
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+2
votes
1
answer
In a projectile motion from a point on horizontal surface to another point on the same surface (Take vector a = acceleration and
asked
Feb 8, 2019
in
Class 12
by
kratos
neet
cbse
class-11
aiims
kinematics
class-12
motion in a plane
rest and motion : kinematics
+2
votes
1
answer
Mark the correct statements for a particle going on a straight line : (a) If the velocity and acceleration have opposite sign,
asked
Feb 8, 2019
in
JEE
by
kratos
class-11
jee
kinematics
jee mains
class-12
rest and motion : kinematics
+3
votes
1
answer
Two projectiles A and B are projected with angle of projection 15° for the projectile A and 45° for the projectile B,
asked
Feb 3, 2019
in
Class 12
by
kratos
class-11
kinematics
kcet
class-12
rest and motion : kinematics
+3
votes
1
answer
The range of a projectile fired at an angle of 15° is 50 m. If it is fired with the same speed at an angle of 45°, its range will be
asked
Jan 21, 2019
in
Class 12
by
kratos
motion in a plane
class-11
kinematics
class-12
rest and motion : kinematics
+2
votes
1
answer
The range of a projectile fired at an angle of 15° is 50m.
asked
Jan 5, 2019
in
Class 12
by
kratos
class-11
kinematics
class-12
motion in a plane
rest and motion : kinematics
+2
votes
1
answer
A body moves in straight line with velocity v1 for 1/3^rd time and for remaining time with v2 .
asked
Jan 2, 2019
in
JEE
by
kratos
motion in a straight line
jee
mechanics
jee mains
class-12
rest and motion : kinematics
+2
votes
1
answer
Figure (3-Q2) shows the displacement-time graph of a particle moving on the X-axis?
asked
Dec 11, 2018
in
Class 12
by
kratos
class-11
class-12
rest and motion : kinematics
kinematics
+1
vote
1
answer
The accelerations of a particle as seen from two frames S1 and S2 have equal magnitude 4m/*.
asked
Dec 10, 2018
in
Class 12
by
kratos
class-11
kinematics
class-12
rest and motion : kinematics
+2
votes
1
answer
Mark the correct statements : (a) The magnitude of the velocity of a particle is equ; to its speed.
asked
Dec 7, 2018
in
Class 12
by
kratos
rest and motion : kinematics
class-12
+2
votes
1
answer
A river is flowing from west to east at a speed of 5 metres per minute. A man on the south bank of the river,
asked
Nov 22, 2018
in
JEE
by
kratos
mensuration
class-8
jee
kinematics
class-10
jee mains
surface areas and volumes
class-12
rest and motion : kinematics
+2
votes
1
answer
In a projectile motion the velocity (a) is always perpendicular to the acceleration
asked
Nov 15, 2018
in
Class 12
by
kratos
class-12
rest and motion : kinematics
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