You are on an airplane traveling 30° south of due west at 180 m/s with respect to the air. the air is moving with a speed 31 m/s with respect to the ground due north.
1) what is the speed of the plane with respect to the ground?
2) what is the heading of the plane with respect to the ground? (let 0° represent due north, 90° represents due east).
3) how far east will the plane travel in 1 hour?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.