After the landing device’s reverse thrusters deploy, the device descends another 1000m towards the surface of Mars in 20s. What is the device’s velocity?

What is a possible result of higher air temperature caused by global warming

Which atomic model was proposed as a result of j. j. thomson’s work?

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction