Physics, 26.01.2021 01:00 obbiesco123
2. A person jogs 5.0 km in 32 minutes, then 3.0 km in 22 minutes, and finally 2.0 km in 16 minutes. What is the jogger's average speed in km per minute?
Answers: 3
Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
Answers: 2
Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
Physics, 22.06.2019 12:00
This is for my 8th grade science class, i really donβt understand. can someone me? , lol.
Answers: 1
2. A person jogs 5.0 km in 32 minutes, then 3.0 km in 22 minutes, and finally 2.0 km in 16 minutes....
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