Question

The position of a particle is given by r = 3.0t ^i - 3.0 t² ^j+4.0 ^k m where t is in seconds and the coefficients have the proper units for r to be in metres. (a) Find the v and a of the particle.​

Answer 1

Answer:

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

Answer 2

$\sf{\green{\underline{\underline{\orange{Question :-}}}}} \: \: \: \: \: what \: is \: cell \:$

Cell is basic & functional unit of Living Organisms .

There are about 3 million cells