Radius vector of a particle moving on a circle isgiven by r 2 cos 2ti + 2 sin 2tj. The speed ofparticle is (where r is in m and t is in s)

Open in App

Solution

Suggest Corrections

Similar questions

A particle moves in a circle of radius 20 cm. Its linear speed is given by v = 2t, where t is second and v in metre/second. Find the radial and tangential acceleration at t = 3 s.

A particle of mass

m

moves in a circle of radius

R

. The distance

s

described by it varies with time

t

s = α t^{2}

, where

α

is a constant.

What is the force acting on the particle?

Q. The speed of a particle moving in a circle of radius r = 2 m varies with time t as

v = t^{2}

where t is in second and v in m/s. The net acceleration at t =2 s is

Q. The speed of a particle moving in a circle of radius

r = 2 m

varies with time

t

v = t^{2}

where

t

is in second and

v

in m/s. Find the radial, tangential and net acceleration at

t = 2 s

The position vector of a particle $\to R$ as a function of time is given by $\to R = 4 sin (2 π t)^i + 4 cos (2 π t)^j$ , where $R$ is in meters, $t$ is in seconds and $^i a n d^j$ denote unit vectors along 'x' and 'y'-directions respectively. Which one of the following statements is wrong for the motion of particle?

Join BYJU'S Learning Program