 |
| 1 . |
|
A particle moves along the curve r(t) = ti + 2t2j + t3k. Find its velocity and acceleration at the instant when the particle is at the point (-1, 2, -1).
|
 |
| 2 . |
|
The path followed by a particle experiencing a constant downward acceleration, -gj, caused by gravity can be described in the xy plane by
(see diagram). Denote |v0| = v0 and express r(t) in terms of v0, θ, and h.
|
 |
| 3 . |
|
A baseball is hit one metre above ground level at 30 m/s and at an angle of 45° with respect to the ground. Find the approximate maximum height reached by the baseball.
|
 |
| 4 . |
|
Given that , solve the initial-value problem
|
 |
| 5 . |
|
Which set of parametric equations does not represent the first quadrant portion?
|
 |
| 6 . |
|
The plane y = 1 intersects the cone z² = x² + y² in a hyperbola. Find a parameterization of the hyperbola.
|
 |
| 7 . |
|
Find the length of the curve
|
 |
| 8 . |
|
Find the arc length of the given curve on the interval [0, π/2].
|
 |
| 9 . |
|
Parameterize the circle x² + y² = a² in terms of the arc length measured from the point (a, 0) in the counter clockwise direction.
|
 |
| 10 . |
|
Find the unit tangent and the principal unit normal vectors to the curve
|
 |
| 11 . |
|
Find the curvature of the curve
|
 |
| 12 . |
|
Find the Frenet frame, , for the curve at the point (2,0,0).
|
 |
| 13 . |
|
Find the tangential and normal components of acceleration of a particle whose position vector is given by
|
 |
| 14 . |
|
The Earth has an elliptical orbit with an eccentricity of e ≈ 0.0167 and a semi-major axis
a ≈ 92.957 × 106 miles. Find the polar equation of the elliptical orbit of the Earth.
|
 |
| 15 . |
|
The Earth has an elliptical orbit with an eccentricity of e ≈ 0.0167 and a semi-major axis
a ≈ 92.957 × 106 miles. Find the perihelion (nearest Earth is to the Sun) and the aphelion (furthest Earth is from the Sun) of the Earths orbit.
|
 |
|
Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
|