Have a query? Ask a Tutor!!

Access to best educators and exclusive paper discussions

Can’t find what you’re looking for?

Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

Homework- One to One Solutions
Understand concepts to solve better
Get your doubts solved instantly

Physics

General

Easy

Question

The displacement of a particle in x direction is given by x.=9-5t+4t² Find the Velocity at time t=0

-8 ms^-1
-5 ms^-1
3 ms^-1
10 ms^-1

The correct answer is: -5 ms^-1

Related Questions to study

If $f colon left square bracket 0 comma 1 right square bracket not stretchy rightwards arrow left square bracket negative 1 comma 3 right square bracket$ defined by $f left parenthesis x right parenthesis equals x squared plus x plus 1 text , then end text f text is end text$

If $f colon left square bracket 0 comma 1 right square bracket not stretchy rightwards arrow left square bracket negative 1 comma 3 right square bracket$ defined by $f left parenthesis x right parenthesis equals x squared plus x plus 1 text , then end text f text is end text$

If $f left parenthesis x right parenthesis equals vertical line x minus 1 vertical line plus vertical line x minus 2 vertical line plus vertical line x minus 3 vertical line comma f colon left square bracket 2 comma 3 right square bracket not stretchy rightwards arrow R text is end text$

If $f left parenthesis x right parenthesis equals vertical line x minus 1 vertical line plus vertical line x minus 2 vertical line plus vertical line x minus 3 vertical line comma f colon left square bracket 2 comma 3 right square bracket not stretchy rightwards arrow R text is end text$

Two thin metallic strips, carrying current in the direction shown, cross each other perpendicularly without touching but being close to each other, as shown in the figure. The regions which contain some points of zero magnetic induction are

Two thin metallic strips, carrying current in the direction shown, cross each other perpendicularly without touching but being close to each other, as shown in the figure. The regions which contain some points of zero magnetic induction are

physics-General

parallel

$A equals left curly bracket x colon negative 1 less or equal than x less or equal than 1 right curly bracket. f colon A not stretchy rightwards arrow A$ defined by $f left parenthesis x right parenthesis equals x vertical line x vertical line$ . $text Then end text f text is end text$

$A equals left curly bracket x colon negative 1 less or equal than x less or equal than 1 right curly bracket. f colon A not stretchy rightwards arrow A$ defined by $f left parenthesis x right parenthesis equals x vertical line x vertical line$ . $text Then end text f text is end text$

What does the speedometer measure kept in motorbike ?

What does the speedometer measure kept in motorbike ?

A cell is connected between the points A and C of a circular conductor ABCD with O as centre and angle $A O C equals 60 degree.$ If $B subscript 1$ and $B subscript 2$ are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, then ratio $fraction numerator B subscript 1 end subscript over denominator B subscript 2 end subscript end fraction$ is

A cell is connected between the points A and C of a circular conductor ABCD with O as centre and angle $A O C equals 60 degree.$ If $B subscript 1$ and $B subscript 2$ are the magnitudes of the magnetic fields at O due to the currents in ABC and ADC respectively, then ratio $fraction numerator B subscript 1 end subscript over denominator B subscript 2 end subscript end fraction$ is

physics-General

parallel

Current $I$ is flowing in conductor shaped as shown in the figure. The radius of the curved part is $r$ and the length of straight portion is very large. The value of the magnetic field at the centre $O$ will be

Current $I$ is flowing in conductor shaped as shown in the figure. The radius of the curved part is $r$ and the length of straight portion is very large. The value of the magnetic field at the centre $O$ will be

physics-General

A body is moving in x direction with constant acceleration a Find the difference of the displacement covered by it in nth second and (n-1) th second.

A body is moving in x direction with constant acceleration a Find the difference of the displacement covered by it in nth second and (n-1) th second.

A body starts its motion with zero velocity and its acceleration is 3m/s². Find the distance travelled by it in fifth second.

A body starts its motion with zero velocity and its acceleration is 3m/s². Find the distance travelled by it in fifth second.

parallel

Two thick wires and two thin wires, all of same material and same length, form a square in three different ways P,Q and R as shown in the figure. With correct connections shown, the magnetic field due to the current flow, at the centre of the loop will be zero in case of

Two thick wires and two thin wires, all of same material and same length, form a square in three different ways P,Q and R as shown in the figure. With correct connections shown, the magnetic field due to the current flow, at the centre of the loop will be zero in case of

physics-General

Given figure shows a graph at acceleration $not stretchy rightwards arrow$ time for a rectilinear motion. Find average acceleration in first 10 seconds

Given figure shows a graph at acceleration $not stretchy rightwards arrow$ time for a rectilinear motion. Find average acceleration in first 10 seconds

The motion of a particle along a straight line is described by the function .X=(3T-2)² Calculate the acceleration after 10 s.

The motion of a particle along a straight line is described by the function .X=(3T-2)² Calculate the acceleration after 10 s.

parallel

A long insulated copper wire is closely wound as a spiral of N turns. The spiral has inner radius a and outer radius b. The spiral lies in the $X minus Y$ plane and a steady current $I$ flows through the wire. The Z-component of the magnetic field at the centre of the spiral is

900553

A long insulated copper wire is closely wound as a spiral of N turns. The spiral has inner radius a and outer radius b. The spiral lies in the $X minus Y$ plane and a steady current $I$ flows through the wire. The Z-component of the magnetic field at the centre of the spiral is

900553

physics-General

In angiosperms, female gametophyte is represented by

In angiosperms, female gametophyte is represented by

A particle is projected vertically upwards with velocity .30 ms^-1 Find the ratio of average speed and instantaneous velocity after 6s.[g=10 ms^-1 ]

A particle is projected vertically upwards with velocity .30 ms^-1 Find the ratio of average speed and instantaneous velocity after 6s.[g=10 ms^-1 ]

parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.