MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Acceleration

37A variable ...

Question

37A variable force, given by the 2-dimensional vector F= (3x^2i+4j), acts on a particle. The force is in newton and x is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates (2, 3) to (3, 0)? ( The coordinates are in metres.)(a) -7J(d) +19 J(c) +7J(b) zero

Open in App

Solution

Suggest Corrections

thumbs-up

19

Similar questions

Q. A variable force, given by the 2-dimensional vector

\to F = (3 x^{2} ˆ i + 4 ˆ j)

, acts on a particle. The force is in newton and

x

is in metre. What is the change in the kinetic energy of the particle as it moves from the point with coordinates

(2, 3)

(3, 0) ?

(The coordinates are in metres)

Q. A variable force, given by the

2 - d i m e n s i o n a l

\to F = (3 x^{2}^i + 4^j)

, acts on a particle. The force is in newton and

x

is in metre. What is the change in the kinetic energy of the particles as its moves from the point with coordinates

(2, 3)

(3, 0)

? The coordinates are in metres.)

F = 0.5 x = 10

acts on a particle. Here F is in Newton and x is in metre. Calculate the work done during the displacement of the particle from

x = 0 t o x = 2

F = (2 x + 3 x^{2}) N

acts on a particle in

x -

direction, where

F

is in Newton and

x

is in metre. Find the work done by this force for the displacement from

x = 0 m

x = 3 m

.

\to F = (k x - 9 x^{2})^i

acts on a particle as the particle moves along an x-axis, with

\to F

x

x = 9

, the particle's kinetic energy is

60 J

x = 0 m

33 J

, then determine the value of

k

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Acceleration

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon