Awire with mass 50 g is stretched so that it’s ends are tied down at points 100 cm apart. the wire vibrates in its fundamental mode with frequency 60 hz and an amplitude of 0.5 cm at the antinodes. what is the tension in the wire?

2500 n
720 n
120 n
1250 n

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.

How is sound is different from music how loundness od sound mention some ways to reduce