Physics, 28.04.2021 08:00 foziasif9525
15. A drum corps can be heard practicing at a distance of 1.6 km (about 1 mile) from the field,
What is the time delay between the drumstick hitting the drum and the sound heard by an
individual 1.6 km away? (Assume the speed of sound in air to be 340 m/s.)
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Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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15. A drum corps can be heard practicing at a distance of 1.6 km (about 1 mile) from the field,
Wh...
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