Physics, 07.10.2021 01:40 jamesmith20
Suzy and her brother are racing with their new bikes in the neighborhood. Their block is one mile long. Suzy’s average speed is 0.12 mi/s and her brother’s is 0.09 mi/s. Who will reach the end of block first, and how much time ahead of the other will they be?
Answers: 3
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 19:40
22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
Physics, 23.06.2019 14:00
If the wavelength is tripled, while the speed of the wave is held constant, what happens to the frequency? a. decreases to 1/3 b. decreases to 1/9 c. increases by 3 d. increases by 9 e. stays the same
Answers: 1
Physics, 23.06.2019 16:00
Ageologist is studying layers of rock he finds a fossil of a bony fish according to the law of faunal and floral succession what new type of fossil would he most likely find nicks in the layers of rock above
Answers: 3
Suzy and her brother are racing with their new bikes in the neighborhood. Their block is one mile lo...
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