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Physics

General

Easy

Question

A car goes from one end to the other end of a semicircular path of diameter ' d '. Find the ratio between path length and displacement.

$\frac{3 π}{2}$
$π$
2
$\frac{π}{2}$

The correct answer is: $straight pi over 2$

Related Questions to study

A particle moves from A to P and then it moves from P to B as shown in the figure. Find path length and displacement.

A particle moves from A to P and then it moves from P to B as shown in the figure. Find path length and displacement.

If the thickness of the wire is doubled, then the breaking force in the above question will be

If the thickness of the wire is doubled, then the breaking force in the above question will be

physics-General

The Young’s modulus of the material of a wire is $2 cross times 10 to the power of 10 end exponent N m to the power of negative 2 end exponent.$ If the elongation strain is $1 percent sign$ , then the energy stored in the wire per unit volume in $J m blank to the power of negative 3 end exponent$ is

The Young’s modulus of the material of a wire is $2 cross times 10 to the power of 10 end exponent N m to the power of negative 2 end exponent.$ If the elongation strain is $1 percent sign$ , then the energy stored in the wire per unit volume in $J m blank to the power of negative 3 end exponent$ is

physics-General

parallel

The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
Area of cross-section of wire $10 to the power of negative 6 end exponent m to the power of 2 end exponent$
Extensional of wire $2 cross times 10 to the power of negative 9 end exponent m$
Which of the following deductions can be correctly made from this data?
I. The value of Young’s Modulus is $10 to the power of 11 end exponent N blank m to the power of negative 2 end exponent$
II. The strain is $10 to the power of negative 3 end exponent$
III. The energy stored in the wire when the load is applied is 10 J

The following data were obtained when a wire was stretched within the elastic region Force applied to wire 100 N
Area of cross-section of wire $10 to the power of negative 6 end exponent m to the power of 2 end exponent$
Extensional of wire $2 cross times 10 to the power of negative 9 end exponent m$
Which of the following deductions can be correctly made from this data?
I. The value of Young’s Modulus is $10 to the power of 11 end exponent N blank m to the power of negative 2 end exponent$
II. The strain is $10 to the power of negative 3 end exponent$
III. The energy stored in the wire when the load is applied is 10 J

physics-General

Which of the following relations is true

Which of the following relations is true

physics-General

A particle moves from A to B and then it moves from to as shown in figure. Calculate the ratio between path length and displacement.

A particle moves from A to B and then it moves from to as shown in figure. Calculate the ratio between path length and displacement.

parallel

If $A equals open square brackets table attributes columnalign left left left columnspacing 1em end attributes row cell 1 0 1 end cell row cell 2 1 0 end cell row cell 3 2 1 end cell end table close square brackets$ then det A=

If $A equals open square brackets table attributes columnalign left left left columnspacing 1em end attributes row cell 1 0 1 end cell row cell 2 1 0 end cell row cell 3 2 1 end cell end table close square brackets$ then det A=

$open vertical bar table attributes columnalign center center center columnspacing 1em end attributes row 1 w cell w squared end cell row w cell w squared end cell 1 row cell w squared end cell 1 w end table close vertical bar equals$

$open vertical bar table attributes columnalign center center center columnspacing 1em end attributes row 1 w cell w squared end cell row w cell w squared end cell 1 row cell w squared end cell 1 w end table close vertical bar equals$

Frame of reference is a ... and a ···.. from where an observer takes his observation,

Frame of reference is a ... and a ···.. from where an observer takes his observation,

parallel

To locate the position of the particle we need

To locate the position of the particle we need

Mechanics is a branch of physics. This branch is ...

Mechanics is a branch of physics. This branch is ...

A branch of physics dealing with motion without considering its causes is known as ....

A branch of physics dealing with motion without considering its causes is known as ....

parallel

A Particle of mass m is at rest at t=0 The force exerting on it in x-direction is F(t)=F_ae^-k. Which one of the following graph is of speed

A Particle of mass m is at rest at t=0 The force exerting on it in x-direction is F(t)=F_ae^-k. Which one of the following graph is of speed

As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

As shown in figure a block of mass m is attached with a cart. If the coefficient of static friction between the surface of cart and block is µ than what would be accelcration a of cart to prevent the falling of block ?

A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?

A block B. placed on a horizontal surface is pulled with initial velocity V. If the coefficient of kinetic friction between surface and block is µ . than after bons much time, block will come to rest ?

parallel

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