Examlex
Three solid,uniform,cylindrical flywheels,each of mass 65.0 kg and radius 1.47 m rotate independently around a common axis.Two of the flywheels rotate in one direction at the other rotates in the opposite direction at 3.42 rad/s.Calculate the magnitude of the net angular momentum of the system.
Macrophages
A type of immune cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.
Ultraviolet Light
Electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, having various effects on health and the environment.
Vitamin D
A fat-soluble vitamin that helps in the absorption of calcium, facilitating normal immune function and bone health.
Homeostasis
Homeostasis is the process by which organisms maintain a stable internal environment despite changes in the external environment.
Q2: If you swing a bucket of water
Q6: The figure shows two 1.0 kg-blocks connected
Q14: It requires 49 J of work to
Q19: The weight of spaceman Speff at the
Q22: An apple falls from an apple tree
Q42: A 648-g empty iron kettle is put
Q49: A sphere is constructed of two concentric
Q49: A thin taut string is fixed at
Q69: As shown in the figure,a container has
Q86: A 120-kg refrigerator,2.00 m tall and 85.0