Make sure to use the given, unknown, equation format
Name: ___________________________Hr.____
#__1-2___ due __Tues. 10/18____ whole thing due __By 2:30 on Wed. 10/19__
_____ + _____ = _____
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A baseball player hits a pitched ball at 35 m/s at a 40˚ N of E. (Hint: 35 m/s is v!)
Sketch:
Given:
horizontal
vertical
1.
a.
How long does it take the baseball to reach its highest point? (2.3 sec.)
b. How long does it remain in the air? _________
c. How far will it travel in the horizontal direction? (123 m)
d. Find the maximum height attained by the ball. (25.8 m)
2. A man is shot out of a cannon at 30˚ N of E with a velocity of 49 m/s and is in the air for 5
sec total before he lands.
Sketch:
Given:
Horizontal:
Vertical:
a. Find his maximum height: (30.6 m)
b. How far away will he land? (212 m)
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3. A baseball is hit at 30.0 m/s at an angle of 53˚ N of E. The fence is 86 meters away. Did
he hit a homerun? (Assume the ball is hit at the same height as the fence.) (88.4 m, yes!)
Sketch:
Given:
horizontal
vertical
4. A horseshoe player tosses a horseshoe from ground level directly at the stake at an angle
of 29˚ N of E. The horseshoe has a horizontal velocity of 10.8 m/s. (that’s vx) What is the
maximum height reached by the horseshoe? (1.83 m)
5. Bubba is going to try to jump over 25 cars with his motorcycle. Calculate how fast Bubba
would need to travel if he is in the air for 3.22 seconds total and he travels 50.6 meters.
Need to solve Vx and Viy first, then use V2 = Vx2 + Viy2 (22.2 m/s)
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6. A basketball player makes a jump shot giving the ball a velocity of 10.0 m/s at 60˚ N of E.
Assume the ball is released at the same height as the basket. How far away from the
basket was he when he made the shot? (8.85 m)
7. A daredevil is shot out of a cannon at 45˚ N of E with an initial speed of 25 m/s. A net is
positioned at a horizontal distance of 50.0 meters. At what height above the cannon
should the net be placed in order to catch the daredevil? Be careful. This one is a little
different. 1. Find Vx and Viy 2. Use Δx to find time 3. Find Δy (10.9 m)
8. You throw a softball at an unknown angle N of E. If it is in the air for 4 seconds total and
travels 50 meters horizontally, calculate the velocity of the ball in miles per hour and the
angle it was thrown at N of E. Yes, you can assume it landed at the same height. (Hint:
v2 =vx2+ viy2 ) (52 mph at 57.5˚ N of E)
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