Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Can a body have a. Zero instantaneous velocity and yet be accelerating? b. Zero average speed but non-zero average velocity? c. Negative acceleration and yet be speeding up?
17
Sep
Can a body have a. Zero instantaneous velocity and yet be accelerating? b. Zero average speed but non-zero average velocity? c. Negative acceleration and yet be speeding up? Can a body have a. Zero instantaneous velocity and yet be accelerating? b. Zero average speed but non-zero average velocity? c. Negative acceleration and yet be speeding [...]
Say yes or No: a. Can an object moving towards north have acceleration towards south? b. Can an object reverse the direction of its motion even though it has constant acceleration
17
Sep
Say yes or No: a. Can an object moving towards north have acceleration towards south? b. Can an object reverse the direction of its motion even though it has constant acceleration Say yes or No: a. Can an object moving towards north have acceleration towards south? b. Can an object reverse the direction of its [...]
a. If the velocity of a body is zero, does it mean that its acceleration is also zero? (yes/no) b. If the acceleration of a body is zero, does it mean that its velocity is also zero? (yes/no)
17
Sep
a. If the velocity of a body is zero, does it mean that its acceleration is also zero? (yes/no) b. If the acceleration of a body is zero, does it mean that its velocity is also zero? (yes/no) a. If the velocity of a body is zero does it mean that its acceleration is also [...]
Two vectors A and B lie in one plane. Vector C lies in a different plane. Then, A + B + C a. Cannot be zero b. can be zero c. Lies in the plane of A or B
17
Sep
Two vectors A and B lie in one plane. Vector C lies in a different plane. Then, A + B + C a. Cannot be zero b. can be zero c. Lies in the plane of A or B A + B + C a. Cannot be zero b. can be zero c. Lies in [...]
If v1 + v2 is perpendicular to v1 – v2 then a. v1 is perpendicular to v2 c b. v1 = v2 c. v1 is a null vector
17
Sep
If v1 + v2 is perpendicular to v1 – v2 then a. v1 is perpendicular to v2 c b. v1 = v2 c. v1 is a null vector If v1 + v2 is perpendicular to v1 - v2 then a. v1 is perpendicular to v2 c b. v1 = v2 c. v1 is a null [...]
If A = 2i + j + k and B = i + j + k are two vectors, then the unit vector is
17
Sep
If A = 2i + j + k and B = i + j + k are two vectors, then the unit vector is If A = 2i + j + k and B = i + j + k are two vectors then the unit vector is September 17, 2020 Category: Uncategorised (JEE Advanced [...]
Given two vectors A = 3i + 4j and B = i + j. theta is the angle between A and B. Which of the following statements is / are correct?
17
Sep
Given two vectors A = 3i + 4j and B = i + j. theta is the angle between A and B. Which of the following statements is / are correct? Given two vectors A = 3i + 4j and B = i + j. theta is the angle between A and B. Which of [...]
Which of the following statements is /are correct a. The sign of the x- component of d1 is positive and that of d2 is negative. b. The signs of the
17
Sep
Which of the following statements is /are correct a. The sign of the x- component of d1 is positive and that of d2 is negative. b. The signs of the Which of the following statements is /are correct a. The sign of the x- component of d1 is positive and that of d2 is negative. [...]
Two points masses 1 and 2 move with uniform velocities v1 and v2. respectively. Their initial position vectors are r1 and r2. respectively. Which of the following should be satisfied for the collision
17
Sep
Two points masses 1 and 2 move with uniform velocities v1 and v2. respectively. Their initial position vectors are r1 and r2. respectively. Which of the following should be satisfied for the collision Two points masses 1 and 2 move with uniform velocities v1 and v2. respectively. Their initial position vectors are r1 and r2. [...]
The components of a vector along x and y directions are (n + 1 ) and 1, respectively. If the coordinate system is rotated by an angle theta = 60 then components change to n and 3
17
Sep
The components of a vector along x and y directions are (n + 1 ) and 1, respectively. If the coordinate system is rotated by an angle theta = 60 then components change to n and 3 respectively. If the coordinate system is rotated by an angle theta = 60 then components change to n [...]