Physics-

General

Easy

Question

# A bob of mass is suspended by a massless string of length . The horizontal velocity at position is just sufficient to make it reach the point . The angle at which the speed of the bob is half of that at , satisfies

## The correct answer is:

### Related Questions to study

maths-

The foot of the perpendicular on the line drown from the origin is C if the line cuts the x-axis and y-axis at A and B respectively then BC : CA is

The foot of the perpendicular on the line drown from the origin is C if the line cuts the x-axis and y-axis at A and B respectively then BC : CA is

maths-General

maths-

(where a, b are integers) =

(where a, b are integers) =

maths-General

maths-

maths-General

maths-

### ${\int}_{-\pi /4}^{\pi /4}\u200a\frac{{e}^{x}(x\mathrm{sin}x)}{{e}^{2x}-1}dx$ is equal to

### ${\int}_{-\pi /4}^{\pi /4}\u200a\frac{{e}^{x}(x\mathrm{sin}x)}{{e}^{2x}-1}dx$ is equal to

maths-General

maths-

### Let $f:R\to R,f\left(x\right)=\left\{\begin{array}{c}|x-[x\left]\right|,\left[x\right]\\ |x-[x+1\left]\right|,\left[x\right]\end{array}\right.$$\begin{array}{r}\text{is odd}\\ 1\text{is even where [.]}\end{array}$ denotes greatest integer function, then ${\int}_{-2}^{4}\u200af\left(x\right)dx$ is equal to

### Let $f:R\to R,f\left(x\right)=\left\{\begin{array}{c}|x-[x\left]\right|,\left[x\right]\\ |x-[x+1\left]\right|,\left[x\right]\end{array}\right.$$\begin{array}{r}\text{is odd}\\ 1\text{is even where [.]}\end{array}$ denotes greatest integer function, then ${\int}_{-2}^{4}\u200af\left(x\right)dx$ is equal to

maths-General

maths-

### The value of ${\int}_{0}^{1}\u200a|\mathrm{sin}2\pi x|\mid dx$ is equal to

### The value of ${\int}_{0}^{1}\u200a|\mathrm{sin}2\pi x|\mid dx$ is equal to

maths-General

Maths-

### The value of (where {x} is the fractional part of x) is

### The value of (where {x} is the fractional part of x) is

Maths-General

Maths-

### The shortest distance between the two straight line and is

### The shortest distance between the two straight line and is

Maths-General

physics-

### A bob of mass *M* is suspended by a massless string of length *L*. The horizontal velocity $v$ at position *A* is just sufficient to make it reach the point *B*. The angle $\theta $ at which the speed of the bob is half of that at *A*, satisfies

### A bob of mass *M* is suspended by a massless string of length *L*. The horizontal velocity $v$ at position *A* is just sufficient to make it reach the point *B*. The angle $\theta $ at which the speed of the bob is half of that at *A*, satisfies

physics-General

Physics-

### A piece of wire is bent in the shape of a parabola -axis vertical) with a bead of mass on it. The bead can side on the wire without friction. It stays at the lowest point of the parabola when the wire is at rest. The wire is now accelerated parallel to the -axis with a constant acceleration . The distance of the new equilibrium position of the bead, where the bead can stay at rest with respect to the wire, from the -axis is

### A piece of wire is bent in the shape of a parabola -axis vertical) with a bead of mass on it. The bead can side on the wire without friction. It stays at the lowest point of the parabola when the wire is at rest. The wire is now accelerated parallel to the -axis with a constant acceleration . The distance of the new equilibrium position of the bead, where the bead can stay at rest with respect to the wire, from the -axis is

Physics-General

physics-

### A point *P* moves in counter-clockwise direction on a circular path as shown in the figure. The movement of *P* is such that it sweeps out length where is in metre and *t *is in second. The radius of the path is 20 m. The acceleration of *P* when *t* =2s is nearly

### A point *P* moves in counter-clockwise direction on a circular path as shown in the figure. The movement of *P* is such that it sweeps out length where is in metre and *t *is in second. The radius of the path is 20 m. The acceleration of *P* when *t* =2s is nearly

physics-General

maths-

### The equation of the plane containing the line where al + bm + cn is equal to

### The equation of the plane containing the line where al + bm + cn is equal to

maths-General

physics-

### A small body of mass slides down from the top of a hemisphere of radius . The surface of block and hemisphere are frictionless. The height at which the body lose contact with the surface of the sphere is

### A small body of mass slides down from the top of a hemisphere of radius . The surface of block and hemisphere are frictionless. The height at which the body lose contact with the surface of the sphere is

physics-General

physics-

### Average torque on a projectile of mass , initial speed and angles of projection , between initial and final position and as shown in figure about the point of projection is

### Average torque on a projectile of mass , initial speed and angles of projection , between initial and final position and as shown in figure about the point of projection is

physics-General

physics-

### A string of length is fixed at one end and the string makes rev/s around the vertical axis through, the fixed and as shown in the figure, then tension in the string is

### A string of length is fixed at one end and the string makes rev/s around the vertical axis through, the fixed and as shown in the figure, then tension in the string is

physics-General