Numerade

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A static thrust stand is designed for testing a jet engine. The following conditions are expected for a typical test: intake air velocity = 200 m/s, exhaust gas velocity = 500 m/s, intake and exit cross-sectional areas = 1 m, intake static pressure = -22.5 kPa (= 78.5 kPa absolute), exhaust static pressure = 0 kPa (101 kPa absolute), density of air p=1.021 kg/m³. Estimate the thrust reaction force to design the test stand to carry, if it must have a safety factor of 3. Control surface Turbojet engine Force on the flow dS V1 A1 P1 dS V2 A2 P2 Reaction force on stand

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A mass is oscillating back and forth on a spring without friction. at which position is the magnitude of acceleration of the mass a maximum?

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at midnight, the concentration of glucagon in your blood was 12.5 ug/10 ml of blood at 6 pm on that same day, the levels have dropped to 6.39 ug/10 ml of blood what is the half-life of glucagon in your blood? 12 hours 18 hours 6 hours 24 hours

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Subspaces (a) Let $(X, \tau)$ be a topological space and $A \subseteq X$. Prove that 1. If $F \subseteq A$ is closed in $A$, then $F = K \cap A$ for some closed $K$ in $X$. 2. If $B \subseteq A$, then $A \cap B^o \subseteq Int_A(B)$. (b) Let $(X, \tau)$ be a topological space and $F$ be a closed subset of $X$. Prove that a set $K \subseteq F$ is closed in $F$ iff it is closed in $X$.

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When organisms use chemicals to suppress competitors, it is called Oa.exploitative competition. Ob.interference competition. Oc. apparent competition. Od.allelopathy.

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A concerned parent has her 3-month-old at the office of the NP. The baby has a bluish cast to the skin and is listless. The parent says she felt the baby's "mouth was sore" so she treated it with Baby Orajel (Benzocaine). The NP knows that the infant has: Group of answer choices D. Cyanosis C. Early heart failure A. Methemoglobinemia B. Tetralogy of Fallot

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Which service is an example of mental stimulus processing? a. an online course to assist in studying for the LSAT exam b. taxi cab service c. veterinarian care d. insurance

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A Major Medical plan with prescription drug coverage MUST notify enrollees taking a covered prescription drug: A. at least 30 days before changing the drug's placement on the Health plan's drug schedule B. in writing by an officer of the company of any change, deletion, addition, or substitution in the formulary of all updates to the formulary and drug tier arrangements, except for generic substitutions C. at least 30 days before deleting the drug from the formulary

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Vector \vec{A} has x and y components of -9.00 cm and 16.0 cm, respectively; vector \vec{B} has x and y components of 12.2 cm and -6.40 cm, respectively. If \vec{A} - \vec{B} + 3\vec{C} = 0, what are the components of \vec{C}? x = cm y = cm

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14. Let f = cos²x and g = sin²x. Which of the following lie in the space spanned by f and g? (a) cos 2x (b) 3+x² (c) 1 (d) sinx (e) 0

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carolina p.