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Physics Chapter 5
Test Description: Part 2
Instructions: Answer all questions to get your test result.
1) Maximum horizontal range for a luanched object can be reached at an angle of
A
15 degrees
B
75 degrees
C
90 degrees
D
45 degrees
2) The path a projectile takes is which of the following?
A
parabola
B
curved
C
straight
D
both curved and a parabola
3) Which of the following is NOT a scalar quantity?
A
volume
B
time
C
mass
D
acceleration
4) Add up the following components; 18i + 35j and -21i -17j. Which of the following represents the resultant?
A
39i + 52j
B
-3i -16j
C
-3i + 18j
D
3i -18j
5) The time it takes a projectile to travel upwards is shorter than the time it takes coming down.
A
False
B
True
6) What formula would you use to determine the magnitude of a resultant?
A
y2-y1 / x2-x1
B
Pythagorean Theorem
C
d/t
D
tan^-1 (opp./adj.)
7) Points of equal elevation in a projectiles path have _____________ velocities.
A
different
B
equal
8) As a projectile travels through its path, the vertical component ____________ while the horizontal component ____________.
A
decreases; increases
B
increases; decreases
C
increases; does not change
D
decreases; does not change
9) This forces acts on the vertical component of a projectile's motion.
A
air resistance
B
gravity
C
tension
D
friction
10) The velocity of a projectile is at a maximum at its highest point.
A
False
B
True
*select an answer for all questions
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