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Vivek Singh

Vivek Singh

HOD Physics @ Unacademy Bhilai

Former Director — Vibrant Academy | Former Faculty — Aakash Institute
In his free time, he provides career counseling on Dial Me 24/7

Hi, this is Vivek Singh. I help NEET and IIT-JEE aspirants do the one thing that matters most: get selected.

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JEE Mains NEET UG CBSE Class 11 CBSE Class 12 NCERT DC Pandey SL Arora
NEET2011:A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes

NEET2011:A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes

July 5, 2025

Description A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s towards north. The average acceleration of the body is A . 1 m/s 2 B . 7 m/s 2. C . √ 7 m/s 2. D . 5 m/s 2 Frequently Asked Questions How to prepare

NEET 2011:A missile is fired for maximum range with an initial velocity of 20 m/s. Ifg = 10ms2, the

NEET 2011:A missile is fired for maximum range with an initial velocity of 20 m/s. Ifg = 10ms2, the

July 5, 2025

Description A missile is fired for maximum range with an initial velocity of 20 m/s. If g = 10ms2, the range of missile is A. 40 m. B. 50 m. C. 60 m D. 20 m Frequently Asked Questions How to prepare for NEET Physics? For NEET Physics preparation, focus on NCERT textbooks first, then

NEET 2011 A particle moves in a circle of radius 5 cm with constant speed and time period 0.2πs

NEET 2011 A particle moves in a circle of radius 5 cm with constant speed and time period 0.2πs

July 5, 2025

Description A particle moves in a circle of radius 5 cm with constant speed and time period 0.2πs . The acceleration of the particle is A. 15ms2. B. 25ms2. C. 36ms2. D . 5 ms 2 Frequently Asked Questions How to prepare for NEET Physics? For NEET Physics preparation, focus on NCERT textbooks first, then

NEET 2013: A particle has initial velocity (2i+ 3j ) and acceleration (0.3i + 0.2j ). The magnitude

NEET 2013: A particle has initial velocity (2i+ 3j ) and acceleration (0.3i + 0.2j ). The magnitude

July 5, 2025

Description A particle has initial velocity (2i+ 3j ) and acceleration (0.3i + 0.2j ). The magnitude of velocity after 10 seconds will be A. 9√2 units. B. 5√2 units. C. 5 units. D. 9 units Frequently Asked Questions How to prepare for NEET Physics? For NEET Physics preparation, focus on NCERT textbooks first, then

NEET2013:The horizontal range and the maximum height of a projectile are equal. The angle of

NEET2013:The horizontal range and the maximum height of a projectile are equal. The angle of

July 5, 2025

Description The horizontal range and the maximum height of a projectile are equal. The angle of projection of the projectile is A.θ = t a n − 1 ( 1/4 ). B. θ = tan−1(4) C. θ = tan−1(2) D. θ = 45° Frequently Asked Questions How to prepare for NEET Physics? For NEET Physics

NEET2013:Vectors, A, B and C are such that A ⋅B = 0 and  A ⋅C = 0. Then the vectorparallel to A is A

NEET2013:Vectors, A, B and C are such that A ⋅B = 0 and A ⋅C = 0. Then the vectorparallel to A is A

July 5, 2025

Description Vectors, A, B and C are such that A ⋅B = 0 and A ⋅C = 0. Then the vector parallel to A is A . A × B B . B + C C . B × C D . B and C Frequently Asked Questions How to prepare for NEET Physics? For

NEET 2014: A particle is moving such that its position coordinates (x, y) are (2 m, 3 m) at time t =

NEET 2014: A particle is moving such that its position coordinates (x, y) are (2 m, 3 m) at time t =

July 5, 2025

Description A particle is moving such that its position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m) at time t = 2 s and (13 m, 14 m) at time t = 5 s. Average velocity vector (Vav) from t = 0 to t = 5

A projectile is fired from the surface of the earth with a velocity of 5ms−1 and angle θ

A projectile is fired from the surface of the earth with a velocity of 5ms−1 and angle θ

July 5, 2025

Description A projectile is fired from the surface of the earth with a velocity of 5ms−1 and angle θ with horizontal. Another projectile fired from another planet with a velocity of 3ms−1 at the same angle follows a trajectory which is identical with the trajectory of the projectile fired from the earth. The value of

NEET 2015 :A ship A is moving westwards with a speed of 10kmh−1 and a ship B 100 km South of A,

NEET 2015 :A ship A is moving westwards with a speed of 10kmh−1 and a ship B 100 km South of A,

July 5, 2025

Description Shortest distance in 2D theory video + solution2 by basic methods A ship A is moving westwards with a speed of 10kmh−1 and a ship B 100 km South of A, is moving northwards with a speed of 10kmh−1.The time after which the distance between them becomes shortest, is A.5√2h. B. 10√2h. C. 0

NEET 2015:The position vector of a particle →R as a function of time is given by    R = 4 sin(2πt) i

NEET 2015:The position vector of a particle →R as a function of time is given by R = 4 sin(2πt) i

July 5, 2025

Description The position vector of a particle →R as a function of time is given by R = 4 sin(2πt) i + 4 cos(2πt) j Where R is in meters,t is in seconds and i and j denote unit vectors along x − and y − directions , respectively. Which one of the following statements

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