Ace - AI Tutor
Ask Our Educators
Textbooks
My Library
Flashcards
Scribe - AI Notes
Notes & Exams
Download App
emily young

emily y.

Divider

Questions asked

BEST MATCH

A model rocket is constructed with a motor that can provide a total impulse of 23.0 N\text{-}s. The mass of the rocket is 0.128 kg. What is the speed that this rocket achieves when it is launched from rest? Neglect the effects of gravity and air resistance.

View Answer
divider
BEST MATCH

At the break-even point, the margin of safety will be: Multiple Choice zero. negative. positive. equal to fixed costs.

View Answer
divider
BEST MATCH

Population distribution within the U.S. is ? severely concentrated ? heterogeneous ? homogeneous ? no pattern

View Answer
divider
BEST MATCH

Use the definition of continuity and the properties of limits to show that the function is continuous on the given interval.\ f(x) = x + \sqrt{x - 2}, [2, \infty)\ For a \geq 2, we have\ \lim_{x \to a} f(x) = \lim_{x \to a} (x + \sqrt{x - 2})\ = \lim_{x \to a} x + \lim_{x \to a} (\sqrt{x - 2})\ = \lim_{x \to a} x + \sqrt{\lim_{x \to a} (x - 2)}\ = a + \sqrt{a - 2}\ = f(a)\ Therefore, $f$ is continuous at $x = a$ for every $a$ in $(2, \infty)$. Also, $\lim_{x \to 2^+} f(x) = 2 = f(2)$, so $f$ is continuous from the right at 2. Thus, $f$ is continuous on $[2, \infty)$.

View Answer
divider
BEST MATCH

Use the like-bases property and exponents to solve the equation 3(2)^n + 37 = 61.

View Answer
divider
BEST MATCH

A firm has a fixed cost of 430 and a constant marginal cost of 14.46. They find their break even quantity is 95. What is the price of each unit of output sold? Enter a number rounded to two decimal places.

View Answer
divider
BEST MATCH

Which is an implicit equation for the plane through the point (-8, 3, 1) and perpendicular to the plane 6x - 8y - 2z = 0?

View Answer
divider
BEST MATCH

Texts: Unit Test Unit Test Review Active The area of a rectangle is found by multiplying the base times the height. A rectangle with an area represented by 12x^2 + 6x - 8 has a height of 4x. What is the base of the rectangle?

View Answer
divider
BEST MATCH

Question1 (15 marks) Solar radiation is incident on a solar absorber plate surface at a rate of 800 W/m². Ninety-three percent of the solar radiation is absorbed by the plate. The surface temperature of the plate is $T_s$ = 40°C with an emissivity, $\varepsilon$ = 0.9. It experiences radiation exchange with the surrounding temperature, $T_{surr}$ = -5°C. In addition, convective heat transfer occurs between the plate surface and the ambient air at $T_\infty$ = 20°C with a convection heat transfer coefficient of h = 7 W/m²K. If surface area of the plate, $A_s$ = 5 m², determine a) the total heat transfer rate from the plate surface, Watt, and b) the percentage ratio of usable heat* relative to solar radiation incident, %. Stefan-Boltzmann constant, $\sigma$ = 5.67 x 10$^{-8}$ W/m² K$^4$. * Usable heat = Heat absorbed by surface - total heat transfer rate from the surface.

View Answer
divider
BEST MATCH

(%25) Write an assembly language program, which uses the data segment below to perform the calculation of C according to the following formula. $\frac{max(X)^2 + min(X)^2}{max(X) - min(X)}$ Note that, $max(X)$ and $min(X)$ are the maximum and minimum signed numbers in the array X respectively. Ignore the remainder in division operation. .DATA S DB 10 ; array size X DB -47, +65, -38, +42, -19, +40, -82, -83, +17, -38 C DB ? ; ignore the remainder

View Answer
divider