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1)A pendulum has a length of 7.41 m.The acceleration due to gravity is 9.8 m/s2 .How long would the pendulum have to be to double the period?
1)A pendulum has a length of 7.41 m.The acceleration due to gravity is 9.8 m/s2 .How long would the pendulum have to be to double the period?Answer in units of m2)A simple 1.71 m long pendulum oscillates.How many complete oscillations does thispendulum make in 7.61 min?The acceleration due to gravity is 9.8 m/s2 .3)A 129 N object vibrates with a period of 4.66s when hanging from a spring. What is the spring constant of the spring? The acceleration of gravity is 9.81 m/s2 . Answer in units of N/m4)A simple pendulum has a period of 3.93 s.The acceleration of gravity is 9.8 m/s2 .What is its length? Answer in units of mWhat would its period be on the Moon, wheregMoon = 1.67 m/s2 ?Answer in units of s5)15 waves crash onto a beach every 42.2 s.What is their frequency?Answer in units of Hz6)A piano emits frequencies that range from alow of about 28 Hz to a high of about 4200Hz.Find the maximum wavelength in air at-tained by this instrument when the speed ofsound in air is 341 m/s.Answer in units of mFind the minimum wavelength in air attainedby this instrument.Answer in units of m7)A tuning fork produces a sound with a fre-quency of 258 Hz and a wavelength in air of1.32 m.What value does this give for the speed ofsound in air?Answer in units of m/sWhat would be the wavelength of the waveproduced by this tuning fork in water in which sound travels at 1500 m/s?Answer in units of m
