Exam (elaborations)
physics gizmo.
Exam of 2 pages for the course studies at studies (physics gizmo.)
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physics gizmowhat launch angle produced the longest drive with velocity set at 75 m/s -
CORRECT ANSWER-after 45 degrees
how far did the ball travel with velocity set at 75 m/s - CORRECT ANSWER-290
m
look closely at the trajectory. does it appear symmetrical - CORRECT
ANSWER-no
what launch angle produced the longest drive with no atmosphere - CORRECT
ANSWER-after 45 degrees
how far did the ball travel with no atmosphere - CORRECT ANSWER-400 m
why do you think the ball traveled father in this situation. with no atmosphere -
CORRECT ANSWER-there was no air resistance
the moon has much less gravity than earth and has extremely thin atmosphere.
how would these factors affect the trajectory of a gold ball on the moon -
CORRECT ANSWER-the golf ball will go higher and farther since there is less
gravity
as a ball flies through air, what do you notice about the blue (vertical) arrow -
CORRECT ANSWER-decreases, reaches 0 at the top, and increases
as the ball flies through the air, what do you notice about the red (horizontal)
arrow - CORRECT ANSWER-stays the same
do these results hold up with other velocities - CORRECT ANSWER-yes
what force causes the vertical arrow (Vy)to change as the golf ball travels -
CORRECT ANSWER-gravity
why doesn't the horizontal arrow (Vx) change as the object travels. - CORRECT
ANSWER-because of no air resistance
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