The x and y coordinates of a particle at...

The x and y coordinates of a particle at any time t are given by `x=7t+4t^2` and `y=5t`, where x and t is seconds. The acceleration of particle at `t=5`s is

A

zero

B

`8ms^(-2)`

C

`20ms^(-2)`

D

`40ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:

B

Topper's Solved these Questions

NTA JEE MOCK TEST 28
NTA MOCK TESTS|Exercise PHYSICS|25 Videos
NTA JEE MOCK TEST 30
NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

The x and y coordinates of a particle at any time t are given by x = 2t + 4t^2 and y = 5t , where x and y are in metre and t in second. The acceleration of the particle at t = 5 s is

The x and y co-ordinates of a partilce at any time t are given by: x=7t+4t^(2) and y=5t The acceleration of the particle at 5s is:

The x and y coordinates of the particle at any time are x=5t-2t^(2) and y=10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t=2s is:

The x and y coordinates of the particle at any time are x=5t-2t^(2) and y = 10t respectively, where x andy are in metres and / in seconds. The acceleration of the particle at t = 5 s is

If x = 5t + 3t^(2) and y = 4t are the x and y co-ordinates of a particle at any time t second where x and y are in metre, then the acceleration of the particle

The coordinates of a moving particle at any time t are given by, x = 2t^(3) and y = 3t^(3) . Acceleration of the particle is given by

The coordinates of a moving particle at any time 't' are given by x = alpha t and y = beta t . The speed of the particle at time 't' is given by

The coordinates of a moving particle at any time t are given by x = alpha t^(3) and y = beta t^(3) . The speed of the particle at time t is given by

The coordinates of a moving particle at any time t are given by x = ct and y = bt. The speed of the particle at time t is given by

NTA MOCK TESTS-NTA JEE MOCK TEST 29-PHYSICS

The following arrangement performs the logic function of
Text Solution
|
A block of mass m is attached to one end of a light string which is wr...
Text Solution
|
A ray of light is incident at the glass-water interface at an angle i ...
Text Solution
|
A hemispherical bowl just floats without sinking in a liquid of densit...
Text Solution
|
Two blocks of masses 5 kg and 10 kg are connected by a metal wire goin...
Text Solution
|
A particle of mass 'm' is attached to three identical springs A,B and ...
Text Solution
|
The x and y coordinates of a particle at any time t are given by x=7t+...
Text Solution
|
The figure shows a current- carrying loop, some part of which is circu...
Text Solution
|
The work of 146 kJ is performed in order to compress one kilo mole of ...
Text Solution
|
A few spherical equipotential surfaces are shown in the figure. The el...
Text Solution
|
The magnetic field within a long, straight solenoid with a circular cr...
Text Solution
|
n identical cells are joined in series with two cells A and B with rev...
Text Solution
|
Two circular concentric loops of radii r(1)=20cm, r(2)=30 cm are place...
Text Solution
|
A spherical cavity is made in a lead sphere of radius R such that its ...
Text Solution
|
Identify the missingf product in the given reaction ""(92)""^(235)U+""...
Text Solution
|
In the adjacent diagram, CP represents a wavefront and AO & BP, the co...
Text Solution
|
A silver of radius 1 cm and work function 4.7 eV is suspended from an ...
Text Solution
|
An astronaut whose height is 1.50 m floats ''feet down'' in an orbitin...
Text Solution
|
Charges Q, 2Q, and -Q are given to three concentric conducting spherei...
Text Solution
|
Two batteries of different emfs and different internal resistances are...
Text Solution
|