How many protons are in calcium? (* hint: the atomic number of calcium is 20).
questio...
Physics, 06.11.2019 23:31, rmans22209
How many protons are in calcium? (* hint: the atomic number of calcium is 20).
question 5 options:
11
2
5
20
Answers: 1
Physics, 21.06.2019 17:30, Bladen6579
Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg
Answers: 1
Physics, 21.06.2019 22:30, shartiarahoward
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
Answers: 1
Mathematics, 04.02.2022 03:20
Mathematics, 04.02.2022 03:30
Mathematics, 04.02.2022 03:30
Mathematics, 04.02.2022 03:30
Social Studies, 04.02.2022 03:30