Can someone help me plz
...
Answers: 3
Physics, 21.06.2019 16:30
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
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
Physics, 22.06.2019 14:30
Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
Answers: 2
Mathematics, 21.07.2019 10:30
Chemistry, 21.07.2019 10:30
Chemistry, 21.07.2019 10:30
Health, 21.07.2019 10:30
Geography, 21.07.2019 10:30
Mathematics, 21.07.2019 10:30
Mathematics, 21.07.2019 10:30
History, 21.07.2019 10:30