Answer:
tan 249 = 2.61
tan 249 = tan (249 - 180) = tan 69 = 2.61
Sounds are created when something vibrates (shakes back and forth), sending waves of vibrations into the ears of the listener. When a bell is struck, the metal vibrates. The vibrations travel through the air as sound waves.
hope this helps
Answer:
Kelvin
Explanation:
fact as per the guideline given
Answer:
the false statements
Explanation:
Radio waves, Tw or microndasm are produced by the man with different instruments, so to detect them we use an artifact that detects electrical waves
From the false statements
The exact magnification of the objects is calculated by dividing the cinema. We calculate it by diving the erect image size by the object size. From the given above, we find the exact magnification by dividing 5.0 cm by 1.0 cm. Thus, the answer would be 5.
