{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

test2 - Test 2 phy 240 1 a b c d physics dealt mostly with...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Test 2 phy 240 1. a) How is the velocity of a particle defined? b) What is an inertial reference frame? c) Describe friction. d) Compare the acceleration of a particle in reference frames related by the Galilean transformation. 2. Identifying the force (indicate the object, the source and the type of each force), draw the free body diagram for a) a van parked on a hill b) a bucket hanging under a helicopter moving with constant velocity. (Make sure that the net force is consistent with the indicated motion.) 3. Consider a satellite of mass m moving around a planet of mass M and radius R, at an altitude h above the planet’s surface, as illustrated in the figure. Relate the speed of the satellite to the given information (m, M, R, and h). (Hint. Assume you know the gravitational constant G.) 4. An object (“particle”) has a velocity of [3,0] m/s at one instant. Five seconds later, its velocity has changed to [8,10] m/s. Assuming that the object was subject to a constant net force, a) find the average acceleration of the object (during this time interval) b) and the displacement of the object (in the same time).
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}