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 -
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
PLEASE ANSWER ALL OF THIS QUESTION ASAP!!!
![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
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