physics
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave sally sue sent Frequenc...
economics
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave sally sue sent Frequenc...
physics help
remember that the boat moves as well...the dog is a system and the boat is a system
Physics
I'm having trouble understanding which formula to use to answer this question. What is the apparent weight of an astronaut weighing 77kg shortly after blasting off in a roacket at an upward acceleration of 80/meters per second squared? I know he/she will feel about 3 times...
Science
I can find anything on these questions I need to answer to pass year nine. My teacher said he doesn't matter where the answers come from as long as I pass and don't have to repeat. PLEASE HELP ME! Due tomorrow! 1. List 5 latest developments in sports footwear. Describe...
high school
alkali is a metal not encluding hydrogen and it is very reactive metals
math
in subtraction: what does it mean to front-end estimation when you subtract 59 from 16
social studies
I need help on finding information on the Patriot (American Revolution)about reports on battles won and reports on battle lost.
statistics
7.62
Limits
Find the limit of sin4x/(sqrt(x)) as it approaches positive infinity.
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