Extra points ! Will give brainliest to correct answer ! The diagram below shows forces acting on a model airplane. Both its speed and height above the ground are constant.
***diagram in photo***

Which of the following conditions would cause the model airplane to descend toward the ground?

A) The thrust is greater than the drag.
B) The thrust is equal to the weight.
C) The lift is less than the weight.
D) The lift is equal to the drag.

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Review multiple-concept example 7 in this chapter as an aid in solving this problem. in a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. in one instance, the radius of the circle is 0.626 m. at one point on this circle, the ball has an angular acceleration of 66.1 rad/s2 and an angular speed of 12.6 rad/s. (a) find the magnitude of the total acceleration (centripetal plus tangential) of the ball. (b) determine the angle of the total acceleration relative to the radial direction.