A van weighing 2200 lb is parked on a street with an 8 ° incline. a. Write the force vector F representing the weight against a single tire. Write F in terms of i and j and assume that the weight of the van is evenly distributed among all four tires. b. Find the component vector, F 1 of F parallel to the street. Round to 1 decimal place. c Find the magnitude of the force required by the brakes on each wheel to keep the truck from rolling down the street. Round to the nearest tenth of a pound.
A van weighing 2200 lb is parked on a street with an 8 ° incline. a. Write the force vector F representing the weight against a single tire. Write F in terms of i and j and assume that the weight of the van is evenly distributed among all four tires. b. Find the component vector, F 1 of F parallel to the street. Round to 1 decimal place. c Find the magnitude of the force required by the brakes on each wheel to keep the truck from rolling down the street. Round to the nearest tenth of a pound.
Solution Summary: The author calculates the force F for a van weighing 2200lb, assuming that the weight of the van is evenly distributed among all the four tires.
A van weighing
2200
lb
is parked on a street with an
8
°
incline.
a. Write the force vector F representing the weight against a single tire. Write F in terms of i and j and assume that the weight of the van is evenly distributed among all four tires.
b. Find the component vector,
F
1
of F parallel to the street. Round to 1 decimal place.
c Find the magnitude of the force required by the brakes on each wheel to keep the truck from rolling down the street. Round to the nearest tenth of a pound.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Let f be a function whose graph consists of 5 line segments and a semicircle as shown in the figure below.
Let g(x) = √ƒƒ(t) dt .
0
3
2
-2
2
4
5
6
7
8
9
10
11
12
13
14
15
1. g(0) =
2. g(2) =
3. g(4) =
4. g(6) =
5. g'(3) =
6. g'(13)=
The expression 3 | (3+1/+1)
of the following integrals?
A
Ов
E
+
+
+ +
18
3+1+1
3++1
3++1
(A) √2×14 dx
x+1
(C) 1½-½√ √ ² ( 14 ) d x
(B) √31dx
(D) So 3+x
-dx
is a Riemann sum approximation of which
5
(E) 1½√√3dx
2x+1
2. Suppose the population of Wakanda t years after 2000 is given by the equation
f(t) = 45000(1.006). If this trend continues, in what year will the population reach 50,000
people? Show all your work, round your answer to two decimal places, and include units. (4
points)
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