Consider a hot air balloon rising vertically from a launch site located on the ground. a person is initially standing 10 m from the launch site and begins walking towards the site at a rate of 3 m/s at the moment of launch. if the hot air balloon is rising at a constant rate of 4 m/s, how fast is the distance between the person and the balloon changing 2 seconds after the person starts walking?
Answers: 3
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
Answers: 1
Physics, 22.06.2019 21:00
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
Answers: 2
Physics, 23.06.2019 00:30
What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
Answers: 1
Consider a hot air balloon rising vertically from a launch site located on the ground. a person is i...
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Physics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01
Chemistry, 28.09.2020 20:01
Mathematics, 28.09.2020 20:01