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Physics-

General

Easy

Question

Velocity time graph of a particle of mass 2 kg moving in a straight line is as shown in figure. Work done by all forces on the particle is

400 J
-400 J
-200 J
200 J

The correct answer is: -400 J

Related Questions to study

A toy car of mass 4 kg moves up a ramp under the influence of force $F$ plotted against displacement x. The maximum height attained is given (Take $open g equals 10 text end text m divided by s to the power of 2 end exponent close parentheses$

A toy car of mass 4 kg moves up a ramp under the influence of force $F$ plotted against displacement x. The maximum height attained is given (Take $open g equals 10 text end text m divided by s to the power of 2 end exponent close parentheses$

physics-General

If Wa, Wb, and Wc represent the work done in moving a particle from X to Y along three different path a, b, and c respectively (as shown) in the gravitational field of a point mass m, find the correct relation between Wa, Wb and Wc

If Wa, Wb, and Wc represent the work done in moving a particle from X to Y along three different path a, b, and c respectively (as shown) in the gravitational field of a point mass m, find the correct relation between Wa, Wb and Wc

physics-General

Let $P equals 3 to the power of 1 divided by 3 end exponent times 9 to the power of 1 divided by 9 end exponent times 27 to the power of 1 divided by 27 end exponent horizontal ellipsis horizontal ellipsis infinity$ then $P to the power of 1 divided by 3 end exponent equals$

Let $P equals 3 to the power of 1 divided by 3 end exponent times 9 to the power of 1 divided by 9 end exponent times 27 to the power of 1 divided by 27 end exponent horizontal ellipsis horizontal ellipsis infinity$ then $P to the power of 1 divided by 3 end exponent equals$

parallel

Let $a subscript 1 end subscript comma a subscript 2 end subscript horizontal ellipsis.. a subscript 10 end subscript$ be A.P and $h subscript 1 end subscript comma h subscript 2 end subscript horizontal ellipsis h subscript 10 end subscript$ be in H.P If $a subscript 1 end subscript equals h subscript 1 end subscript equals 2$ and $a subscript 10 end subscript equals h subscript 10 end subscript equals 3$ the $a subscript 3 end subscript h subscript 8 end subscript equals$

Let $a subscript 1 end subscript comma a subscript 2 end subscript horizontal ellipsis.. a subscript 10 end subscript$ be A.P and $h subscript 1 end subscript comma h subscript 2 end subscript horizontal ellipsis h subscript 10 end subscript$ be in H.P If $a subscript 1 end subscript equals h subscript 1 end subscript equals 2$ and $a subscript 10 end subscript equals h subscript 10 end subscript equals 3$ the $a subscript 3 end subscript h subscript 8 end subscript equals$

The work done by a force acting on a body is as shown in the graph. what is the total work done in covering an initial distance of 15 m?

The work done by a force acting on a body is as shown in the graph. what is the total work done in covering an initial distance of 15 m?

physics-General

A 8 kg mass moves along x - axis. Its accelerations as a function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from x=0 to x=6 cm ?

A 8 kg mass moves along x - axis. Its accelerations as a function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from x=0 to x=6 cm ?

physics-General

parallel

If A and G are A.M and G.M between two positive numbers a and b are connected by the relation A+G=a-b then the numbers are in the ratio

If A and G are A.M and G.M between two positive numbers a and b are connected by the relation A+G=a-b then the numbers are in the ratio

If $x equals sum subscript n equals 0 end subscript superscript infinity end superscript a to the power of n end exponent comma y equals sum subscript n equals 0 end subscript superscript infinity end superscript b to the power of n end exponent comma z equals sum subscript n equals 0 end subscript superscript infinity end superscript left parenthesis a b right parenthesis to the power of n end exponent$ where a<1, b<1 then

If $x equals sum subscript n equals 0 end subscript superscript infinity end superscript a to the power of n end exponent comma y equals sum subscript n equals 0 end subscript superscript infinity end superscript b to the power of n end exponent comma z equals sum subscript n equals 0 end subscript superscript infinity end superscript left parenthesis a b right parenthesis to the power of n end exponent$ where a<1, b<1 then

If l, m, n are the $p to the power of text th end text end exponent comma q to the power of text th end text end exponent comma r to the power of text th end text end exponent$ terms of a G.P which are +ve, then $open vertical bar table attributes columnalign left end attributes row cell l o g invisible function application l end cell p 1 row cell l o g invisible function application m end cell q 1 row cell l o g invisible function application n end cell r 1 end table close vertical bar equals$

If l, m, n are the $p to the power of text th end text end exponent comma q to the power of text th end text end exponent comma r to the power of text th end text end exponent$ terms of a G.P which are +ve, then $open vertical bar table attributes columnalign left end attributes row cell l o g invisible function application l end cell p 1 row cell l o g invisible function application m end cell q 1 row cell l o g invisible function application n end cell r 1 end table close vertical bar equals$

parallel

The relationship between force and position is shown in the figure given (in one dimensional case) calculate the work done by the force in displacing a body from x=0 cm to x=5 cm

The relationship between force and position is shown in the figure given (in one dimensional case) calculate the work done by the force in displacing a body from x=0 cm to x=5 cm

physics-General

Fifth term of G.P is 2 The product of its first nine terms is

Fifth term of G.P is 2 The product of its first nine terms is

If a, b, c are in A.P then $a open parentheses fraction numerator 1 over denominator b end fraction plus fraction numerator 1 over denominator c end fraction close parentheses$ , $b open parentheses fraction numerator 1 over denominator c end fraction plus fraction numerator 1 over denominator a end fraction close parentheses comma c open parentheses fraction numerator 1 over denominator a end fraction plus fraction numerator 1 over denominator b end fraction close parentheses$ are in

If a, b, c are in A.P then $a open parentheses fraction numerator 1 over denominator b end fraction plus fraction numerator 1 over denominator c end fraction close parentheses$ , $b open parentheses fraction numerator 1 over denominator c end fraction plus fraction numerator 1 over denominator a end fraction close parentheses comma c open parentheses fraction numerator 1 over denominator a end fraction plus fraction numerator 1 over denominator b end fraction close parentheses$ are in

parallel

The ultimate source of organic evolution is

The ultimate source of organic evolution is

If $a subscript 1 end subscript comma a subscript 2 end subscript comma a subscript 3 end subscript horizontal ellipsis horizontal ellipsis horizontal ellipsis a subscript n end subscript$ are in A.P with common difference $d$ then sind $open square brackets c o s e c invisible function application a subscript 1 end subscript c o s e c invisible function application a subscript 2 end subscript plus close$ $c o s e c invisible function application a subscript 2 end subscript c o s e c invisible function application a subscript 3 end subscript plus c o s e c invisible function application a subscript 3 end subscript c o s e c invisible function application a subscript 4 end subscript plus horizontal ellipsis horizontal ellipsis n$ terms] $equals$

If $a subscript 1 end subscript comma a subscript 2 end subscript comma a subscript 3 end subscript horizontal ellipsis horizontal ellipsis horizontal ellipsis a subscript n end subscript$ are in A.P with common difference $d$ then sind $open square brackets c o s e c invisible function application a subscript 1 end subscript c o s e c invisible function application a subscript 2 end subscript plus close$ $c o s e c invisible function application a subscript 2 end subscript c o s e c invisible function application a subscript 3 end subscript plus c o s e c invisible function application a subscript 3 end subscript c o s e c invisible function application a subscript 4 end subscript plus horizontal ellipsis horizontal ellipsis n$ terms] $equals$

The sum of all integers between 50 and 500 which are divisible by 7 is

The sum of all integers between 50 and 500 which are divisible by 7 is

parallel

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