2. A stone, projected vertically upward with initial velocity 112 ft/sec, moves according to s = 112t 16t^2, where s is the distance from the starting point. Compute the greatest height reached. A. 196 ft B. 100 ft C. 96 ft D. 216 ft -

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Chapter1: Units, Trigonometry. And Vectors
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1. Find the curvature of the cardioid r = 1 + cose at 0 =
0.
A. 1/3
B. 1/2
2. A stone, projected vertically upward with initial
velocity 112 ft/sec, moves according to s = 112t 16t^2,
where s is the distance from the starting point. Compute
the greatest height reached.
A. 196 ft
A. 4y + 5
B. Y+5
C. 96 ft
D. 216 ft
B. 100 ft
3. Melissa is 4 times as old as Jim. Pat is 5 years older
than Melissa. If Jim is y, how old is Pat?
C. 3/4
D. 4/5
-
4. How many ways can four students line up in a line, if
the order matters?
C. 5y + 4
D. 4 + 5y
A. 4
B. 8
C. 16
D. 24
5. A particle moves in simple harmonic motion in
accordance with the equation s 3 sin pit + 4 cos pit,
where s and t are expressed in feet and seconds,
respectively. What is the amplitude of its motion?
A. 3ft
C. 5ft
B. 4ft
D. 6ft
6. Find the point of inflection of the curve y = x^3 +
3x^2
1.
A. (-1, 1)
B. (-2,3)
7. A square is inscribed in a circle. How fast is the
area of the square changing when the area of the circle
is increasing at the rate of 1 in^2/min?
A. 1/2 in^2/min
B. 2/pi in^2/min
D. pi/2 in^2/min
C. 1 in^2/min
A. 5 cm
B. 12 cm
10
Find
-
C. (0,-1)
D. (-3,-1)
8. From Pagasa island in the Spratlys, two helicopters
travel to two different islands. One helicopter travels
185 km N 65 deg E to island A and the other travels at S
25 eg E for 120 km to island B. What is the distance
between the two islands?
A. 198.5 km
C. 235.2 km
B. 187.3 km
D. 220.5 km
9. In a circle of diameter 26 cm, a chord 10 cm in length
is drawn. How far is the chord from the center of the
circle?
C. 13 cm
a of unu
Transcribed Image Text:1. Find the curvature of the cardioid r = 1 + cose at 0 = 0. A. 1/3 B. 1/2 2. A stone, projected vertically upward with initial velocity 112 ft/sec, moves according to s = 112t 16t^2, where s is the distance from the starting point. Compute the greatest height reached. A. 196 ft A. 4y + 5 B. Y+5 C. 96 ft D. 216 ft B. 100 ft 3. Melissa is 4 times as old as Jim. Pat is 5 years older than Melissa. If Jim is y, how old is Pat? C. 3/4 D. 4/5 - 4. How many ways can four students line up in a line, if the order matters? C. 5y + 4 D. 4 + 5y A. 4 B. 8 C. 16 D. 24 5. A particle moves in simple harmonic motion in accordance with the equation s 3 sin pit + 4 cos pit, where s and t are expressed in feet and seconds, respectively. What is the amplitude of its motion? A. 3ft C. 5ft B. 4ft D. 6ft 6. Find the point of inflection of the curve y = x^3 + 3x^2 1. A. (-1, 1) B. (-2,3) 7. A square is inscribed in a circle. How fast is the area of the square changing when the area of the circle is increasing at the rate of 1 in^2/min? A. 1/2 in^2/min B. 2/pi in^2/min D. pi/2 in^2/min C. 1 in^2/min A. 5 cm B. 12 cm 10 Find - C. (0,-1) D. (-3,-1) 8. From Pagasa island in the Spratlys, two helicopters travel to two different islands. One helicopter travels 185 km N 65 deg E to island A and the other travels at S 25 eg E for 120 km to island B. What is the distance between the two islands? A. 198.5 km C. 235.2 km B. 187.3 km D. 220.5 km 9. In a circle of diameter 26 cm, a chord 10 cm in length is drawn. How far is the chord from the center of the circle? C. 13 cm a of unu
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