Answers: 2
Physics, 21.06.2019 13:50
Ahot-air balloon is drifting straight downward with a constant speed of 2.40 m/s. when the balloon is 7.63 m above the ground, the balloonist decides to drop one of the ballast sandbags to the ground below. how much time elapses before the sandbag hits the ground?
Answers: 1
Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
Answers: 1
Physics, 22.06.2019 09:30
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: 3
Physics, 22.06.2019 14:40
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Aforce is always needed to keep an object moving.
a. true
b. false...
a. true
b. false...
Mathematics, 29.01.2021 19:40
Chemistry, 29.01.2021 19:40
English, 29.01.2021 19:40
Mathematics, 29.01.2021 19:40
Mathematics, 29.01.2021 19:40
Chemistry, 29.01.2021 19:40
Physics, 29.01.2021 19:40
Mathematics, 29.01.2021 19:40
Physics, 29.01.2021 19:40
Mathematics, 29.01.2021 19:40