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Recent questions tagged motion in a plain
+3
votes
1
answer
A particle moves on the curve x = 2t^2, y = t^2 - 4t, z = 3t - 5 where t is the time. Find the components of velocity and acceleration at time t = 1
asked
Mar 21, 2019
in
JEE
by
kratos
algebraic expressions
factorisation
class-8
oscillations
class-11
jee
derivatives
laplace transform
motion in a plain
jee mains
class-12
+2
votes
1
answer
If y = 3t^2 – 4t ; then minima of y will be at : (A) 3/2 (B) 3/4
asked
Mar 15, 2019
in
Class 12
by
kratos
algebraic expressions
factorisation
vector algebra
class-8
oscillations
class-11
derivatives
motion in a plain
class-12
+2
votes
0
answers
If * = 5t^2 + 4t – 8. Find the initial velocity and acceleration, (* = displacement, t = time).
asked
Feb 6, 2019
in
JEE
by
kratos
motion in a straight line
class-11
jee
kinematics
application of derivative
motion in a plain
jee mains
class-12
+2
votes
1
answer
Angular displacement (θ) of a flywheel varies with time as thita = 2t + 3t^2 radian. The angular acceleration at t = 2 * is given by
asked
Jan 21, 2019
in
JEE
by
kratos
motion in a straight line
class-11
jee
rotational mechanics
motion in a plain
jee mains
+3
votes
1
answer
If * = 5t^2 +4t – 8.Find the initial velocity and acceleration.
asked
Nov 17, 2018
in
JEE
by
kratos
motion in a straight line
class-11
jee
kinematics
application of derivative
motion in a plain
jee mains
class-12
+1
vote
1
answer
Motion of ball is in nature of (A) circular motion with constant speed
asked
Nov 3, 2018
in
JEE
by
kratos
motion
circular motion
class-11
jee
class-7
icse
motion in a plain
jee mains
+3
votes
1
answer
Motion of ball is in nature of (A) circular motion with constant speed
asked
Oct 21, 2018
in
JEE
by
kratos
motion
circular motion
class-11
jee
class-7
icse
motion in a plain
jee mains
+1
vote
1
answer
Ifs = 2t^3 – 5t^2 + 4t – 3 (*= distance, t= time), find (i) The time when the acceleration is 14 ft/sec^2.
asked
Oct 20, 2018
in
JEE
by
kratos
application of derivative
motion in a plain
class-11
class-12
jee mains
jee
+3
votes
1
answer
A particle has a velocity u towards east at t = 0. Its acceleration is towards west and is constant. Let x_A, and x_B be the magnitude
asked
Aug 10, 2018
in
JEE
by
kratos
forces
class-11
jee
kinematics
motion in a plain
jee mains
class-12
rest and motion : kinematics
+1
vote
1
answer
A 3.0kg mass is moving in a plane, with its x and y coordinates given by x = 5t^2 - 1 and y = 3t^3 + 2,
asked
Jul 26, 2018
in
JEE
by
kratos
linear equations in one variable
class-8
jee main 2021
class-11
jee
motion in a plain
jee main
+2
votes
1
answer
Equation of position x with time (t) is given by equation x = 3t^3 + 7t^2 + 5t + 8. The acceleration at time t = 1 sec is
asked
Apr 4, 2018
in
Class 12
by
kratos
motion in a straight line
neet
class-11
upsee
jee
kinematics
motion in a plain
jee mains
+3
votes
1
answer
If the displacement of a particle is given by √x =2t + 5, what is the nature of its motion ?
asked
Mar 13, 2018
in
JEE
by
kratos
class-11
jee
superposition principle
coupled oscillations
motion in a plain
jee mains
class-12
+3
votes
1
answer
The displacement of particle varies with time as * = 3t^2 + 2t Find the velocity of the particle at t = 1 sec.
asked
Mar 3, 2018
in
JEE
by
kratos
class-11
jee
motion in a plain
jee mains
+2
votes
1
answer
The vertical height of the projectile at time t is given by y = 4t – 5t^2 and the horizontal distance covered is given by x = 3t.
asked
Feb 17, 2018
in
Class 12
by
kratos
linear equations in one variable
vector algebra
class-8
class-11
kinematics
motion in a plain
class-12
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