Two guitars are in tune. they each play the same notes together. what would happen if one guitar slowly has its strings tightened? a) the harmonic sound will get lower in frequency. b) the sound gets larger due to constructive interference. c) the two sounds will refract and reach you at different times. d) repeated louder and softer sounds will be heard due to varying interference.

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

Who was the first scientist to measure speed as distance over time?

One hazard of space travel is debris left by previous missions. there are several thousand masses large enough to detect by radar orbiting the earth, but there are far greater numbers of very small masses such as flakes of paint. calculate the force exerted by a 0.110 mg chip of paint that strikes a space shuttle window at a relative speed of 5.00 ✕ 103 m/s and sticks, given the collision lasts 6.00 ✕ 10-8 s. such a collision chipped the window of the ill-fated challenger in june 1983, causing $50,000 of damage.