Physics, 30.01.2020 06:55, bunbun2913
Avector of magnitude 20 is added to a vector of magnitude 25. the magnitude of this sum. might be: . a. zero. b. 3. c. 12. d. 47. e. 50
Answers: 1
Physics, 21.06.2019 16:30, minnie7760
Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
Answers: 1
Physics, 22.06.2019 12:30, ayoismeisjjjjuan
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Avector of magnitude 20 is added to a vector of magnitude 25. the magnitude of this sum. might be: ....
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