Examlex
In a distant galaxy, a planet orbits its sun at a distance of 1.8 *1012 m with a period of 108 s. A second planet orbits the same sun at a distance of 9 *1011 m. What is the period of the second planet?
Foreign Substances
Materials or elements that are not naturally part of the body or a particular ecosystem, which can sometimes trigger immune responses or toxic reactions.
Immunity
The body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.
Autoimmune Disease
Diseases where the immune system mistakenly attacks healthy cells in the body, leading to inflammation and tissue damage in various organs.
T-cells
A type of white blood cell that plays a central role in the immune system, helping to protect the body against infection and disease.
Q2: A satellite of 1000 kg is in
Q26: The diagrams below show the application of
Q29: The block shown in the figure is
Q32: What is the truck speed in terms
Q39: A 75-kg man climbs the stairs to
Q46: A ball of mass 2.0 kg is
Q49: A solid wooden sphere of volume 0.0100
Q63: Geosynchronous satellites are such that have the
Q75: A hypodermic needle can be thought of
Q79: You are going up in an elevator