We know, length of segment wave is half the wavelength .
Let, wavelength of wave is .
So, length of segment will be .
Now, it is given that the string vibrates in four segments.
So,
Speed can be given by :
Therefore, the wave speed in the string is 120 m/s.
In your question explains that an accelerometer is a device that uses the extension spring to measure acceleration in terms of Earth's Gravitational accelerations. So if this device is extended just 0.43 centimeters the possible accelerations is letter B. 0.80 g
His mass is 50 kg . . . on the Moon, on the Earth, in the capsule rocketing between them, and on Halley's comet if he ever goes there.
Answer:
1} Two 100 lb. tanks of Oxygen
2) Five gallons of water
3) Food concentrate
4) One case dehydrated milk
5) Solar-powered heater
6) Solar-powered receiver-transmitter
7} First aid kit
8) Box of matches
9) Stellar map
10) Magnetic compass
11) Two 45 caliber pistols
12) Signal flares
13) 50' of rope
14) Self-inflating life raft
15) Parachute silk