Measure your heart rate before, during and after work outs and write it down. Monitors can be worn as a strap across the chest, on the wrist and even on the head, and by measuring your heart rate can help you exercise at the right intensity. Most don't have a display, so you'll need to connect your monitor with a sports watch or smartphone app to see your heart rate.

⇰Let O be the point of observation on the ground OX.
⇰Let A and B be the two positions of the jet.

















![\bf[ \boxed{➯OM=OL+LM=OL+AB=(x+3000)m \: and \: BM=h \: m]}](https://tex.z-dn.net/?f=%20%5Cbf%5B%20%5Cboxed%7B%E2%9E%AFOM%3DOL%2BLM%3DOL%2BAB%3D%28x%2B3000%29m%20%20%5C%3A%20and%20%5C%3A%20BM%3Dh%20%5C%3A%20m%5D%7D)


⇰ Equating the value of x from (1) and (2),we get;





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People with a higher basal metabolic rate
:):):)
because they burn calories faster, thus they need more
To determine if a person is potentially exposed to a
communicable disease, one should be familiar with the case of the patient. By
then she can determine how the disease will be transmitted by knowing the
portal of entry of the infectious agent and its mode of transmission from
reservoir to a susceptible host by direct or indirect contact.
Moreover, a health professional must be immunized against
infectious disease to lessen the chance of susceptibility of communicable
diseases.