Maths-

General

Easy

Question

# Set of all values of x such that is non-zero and finite number when n N is

## The correct answer is:

### Related Questions to study

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### The period of the function is

### The period of the function is

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### Let is a prime number and [x] = the greatest integer The number of points at which f(x) is not differentiable is _______

### Let is a prime number and [x] = the greatest integer The number of points at which f(x) is not differentiable is _______

maths-General

maths-

### If the line is one of the angle bisectors of the lines and then the value of k is

### If the line is one of the angle bisectors of the lines and then the value of k is

maths-General

physics-

### A particle when projected in vertical plane moves along smooth surface with initial velocity 20m/s at an angle of 60°, so that its normal reaction on the surface remains zero throughout the motion. Then the slope of the tangent to the surface at height 5 m from the point of projection will be

### A particle when projected in vertical plane moves along smooth surface with initial velocity 20m/s at an angle of 60°, so that its normal reaction on the surface remains zero throughout the motion. Then the slope of the tangent to the surface at height 5 m from the point of projection will be

physics-General

physics-

### Consider a particle moving without friction on a rippled surface, as shown. Gravity acts down in the negative h direction. The elevation h(x) of the surface is given by h(x) = d cos(kx). If the particle starts at x = 0 with a speed v in the x direction, for what values of v will the particle stay on the surface at all times?

### Consider a particle moving without friction on a rippled surface, as shown. Gravity acts down in the negative h direction. The elevation h(x) of the surface is given by h(x) = d cos(kx). If the particle starts at x = 0 with a speed v in the x direction, for what values of v will the particle stay on the surface at all times?

physics-General

physics-

### System shown in figure is released from rest. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring

### System shown in figure is released from rest. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring

physics-General

physics-

### A smooth track in the form of a quarter circle of radius 6 m lies in the vertical plane. A particle moves from under the action of forces is always toward and is always 20 N in magnitude. Force always acts horizontally and is always 30 N in magnitude. Force always acts tangentially to the track and is of magnitude 15 N. Select the correct alternative(s)

### A smooth track in the form of a quarter circle of radius 6 m lies in the vertical plane. A particle moves from under the action of forces is always toward and is always 20 N in magnitude. Force always acts horizontally and is always 30 N in magnitude. Force always acts tangentially to the track and is of magnitude 15 N. Select the correct alternative(s)

physics-General

physics-

### Ball I is thrown towards a tower at an angle of 60° with the horizontal with unknown speed (u). At the same moment ball II is released from the top of tower as shown. Balls collide after two seconds and at the moment of collision, velocity of ball I is horizontal. Find

### Ball I is thrown towards a tower at an angle of 60° with the horizontal with unknown speed (u). At the same moment ball II is released from the top of tower as shown. Balls collide after two seconds and at the moment of collision, velocity of ball I is horizontal. Find

physics-General

physics-

### A ball of mass ‘m’ is rotating in a circle of radius ‘r’ with speed v inside a smooth cone as shown in figure. Let N be the normal reaction on the ball by the cone, then choose the wrong option.

### A ball of mass ‘m’ is rotating in a circle of radius ‘r’ with speed v inside a smooth cone as shown in figure. Let N be the normal reaction on the ball by the cone, then choose the wrong option.

physics-General

physics-

### System shown in the figure is released from rest when spring is unstretched. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring k = 40 N/m and

### System shown in the figure is released from rest when spring is unstretched. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring k = 40 N/m and

physics-General

physics-

### Two blocks of masses are connected by a non - deformed light spring. They are lying on a rough horizontal surface. The coefficient of friction between the blocks and the surface is 0.4. What minimum constant force F has to be applied in horizontal direction to the block of mass m1 in order to shift the other block?

### Two blocks of masses are connected by a non - deformed light spring. They are lying on a rough horizontal surface. The coefficient of friction between the blocks and the surface is 0.4. What minimum constant force F has to be applied in horizontal direction to the block of mass m1 in order to shift the other block?

physics-General

physics-

### In the figure shown the spring constant is K. The mass of the upper disc is m and that of the lower disc is 3m. The upper block is depressed down from its equilibrium position by a distance =5mg/K and released at t=0. Find the velocity of ‘m’ when normal reaction on 3m is mg

### In the figure shown the spring constant is K. The mass of the upper disc is m and that of the lower disc is 3m. The upper block is depressed down from its equilibrium position by a distance =5mg/K and released at t=0. Find the velocity of ‘m’ when normal reaction on 3m is mg

physics-General

physics-

### A block of mass 'm' is released from rest at point A. The compression in spring, when the speed of block is maximum

### A block of mass 'm' is released from rest at point A. The compression in spring, when the speed of block is maximum

physics-General

physics-

### A uniform rod of length l and mass m is allowed to rotate in a horizontal plane about a vertical axis OO¢ passing through one of its ends with an angular velocity . Then the tension in the rod in terms of distance x measured from the axis of rotation is:

### A uniform rod of length l and mass m is allowed to rotate in a horizontal plane about a vertical axis OO¢ passing through one of its ends with an angular velocity . Then the tension in the rod in terms of distance x measured from the axis of rotation is:

physics-General

physics-

### A particle P of mass m is attached to a vertical axis by two strings AP and BP of length l each. The separation AB=l. P rotates around the axis with an angular velocity . The tensions in the two strings are

### A particle P of mass m is attached to a vertical axis by two strings AP and BP of length l each. The separation AB=l. P rotates around the axis with an angular velocity . The tensions in the two strings are

physics-General