A jet plane is flying at a constant altitude. At time t1=0t 1=0, it has components of velocity vx=90m/s, vy=110m/sv x = 90m/s, v y=110m/s. At time t2=30.0st 2=30.0s, the components are vx=−170m/s, vy=40m/sv x =−170m/s, v y=40m/s. (a) Sketch the velocity vectors at t1and t2.
How do these two vectors differ? For this time interval calculate
(b) the components of the average acceleration, and
(c) the magnitude and direction of the average acceleration.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.