allan

This page lists questions and answers that were posted by visitors named allan.

Questions

The following questions were asked by visitors named allan.

The freezing point of a solution is A. higher than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstruction by solute particles. B. lower than the freezing point o...

how to simplify this question (-m^2n^3)^3

solve for b when a=55 a=radical sign on 25b

the sum of two numbers is 51. Twice the first plus 4 times the second is 128. What are the numbers? Show your work.

One number is 5 more than another number. Four times the larger number plus 3 times the smaller is 97. find the numbers. Show your work.

3square root of 9 - square root of 4

an aircraft flew at 400km/h to its destination and returned at 500km/h. If the total trip took 9h, how far did it fly? The answer is 2000km but how

The sum of 2 numbers is 26. Four times the first number plus twice the second is 70. What are the numbers?

what does monitoring information indicate about trends in amount of atmosphere carbon dioxide?

microwave in french

where is the adjectives and the adverbs in the following paragraphe at the time lorraine hansberry was the yongest american playwriter ,the first woman ,and the first african american to receive the honor . her much celebrated play was A Raisin in the Sun...

a particle moves along the x-axis in such a way that its acceleration at any time t is given by a(t)= 6t - 18. At time t = 0, the velocity v(t) = 24. and at time t = 1, the position x(t) = 20 i have to find the expression for the velocity and what values...

vijay has 1/20 of a dollar in his pocket. what coins might he have?

how would you carry out a suitable test to determine the relationship between voltage and current when charging and discharging a capacitor

For the ballistic missile aimed to achieve the maximum range of 15500 km, what is the maximum altitude reached in the trajectory? Answer in units of km

What is the direction of the net external force on the crate (as an angle between −180◦ and 180◦ , measured from the positive x axis with counterclockwise positive)? Answer in units of ◦ Ive solved for the net external force in the x and y direction. Fx=-...

A block at rest. The coefficients of static and kinetic friction are .75(Static) and .64(Kinetic). The acceleration of gravity is 9.8m/s^2 and the mass is 46kg. I've solved for the frictional force which is, 252.0841609N. Though what is the largest angle...

A 18.4 kg block is dragged over a rough, horizontal surface by a constant force of 126 N acting at an angle of 34.1 ◦ above the horizontal. The block is displaced 20 m, and the coefficient of kinetic friction is 0.123. The acceleration of gravity is 9.8 m...

A tugboat pulls a ship with a constant net horizontal force of 5.72 × 103 N and causes the ship to move through a harbor. How much work does the tugboat do on the ship if each moves a distance of 3.11 km ? Answer in units of J.

Two 4.6 g bullets are fired with speeds of 36.9 m/s and 74.8 m/s, respectively. a) What is the kinetic energy of the first bullet? Answer in units of J. b) What is the kinetic energy of the second bullet? Answer in units of J. I got part A), which is 3.13...

The student’s body is 22% percent eﬃcient; that is, for every 22 J that are converted to mechanical energy, 100 J of chemical energy are expended, with 78 J going into thermal energy. How much chemical energy is expended by the student during the climb? A...

A crate is pulled up a rough incline. The pulling force is parallel to the incline. The crate is pulled a distance of 6 . 92 m. The acceleration of gravity is 9 . 8 m / s 2. What is the magnitude of the work is done by the gravitational force? Answer in u...

A mechanic pushes a 2520 kg car from rest to a speed of v , doing 4310 J of work in the process. During this time, the car moves 22.4 m. Find the speed v . Neglect friction between car and road. Answer in units of m/s.

Wayne exerts a force of 70 . 9 N to pull a 409 N sled along a snowy path using a rope that makes a 48 ◦ angle with the ground. The sled moves 19 . 9 m in 4 . 3 s. What is Wayne’s power? Answer in units of W.

Consider two vectors ~ A and ~ B and their re- sultant ~ A + ~ B . The magnitudes of the vectors ~ A and ~ B are, respectively, 13 . 2 and 6 . 1 and they act at 110 ◦ to each other.Find the magnitude of the resultant vector ~ A + ~ B .

A submarine dives 196.0 m at an angle of 18.0 ◦ below the horizontal. What is the horizontal component of the submarine’s displacement? Use the coordi- nate system where positive x is to the right and positive y is up. Answer in units of m.

A truck travels 1710 m uphill along a road that makes a constant angle of 5 . 08 ◦ with the horizontal. Find the magnitude of the truck’s horizontal component of displacement. Answer in units of m.

Four resistors are connected to a battery with a terminal voltage of 18.0 V. The resistors are, R1=61, R2=34, R3=90, and R4=11. R1 & R2 are in series, and combined are in parallel with R3, & the combination of R1, R2, & R3 are in series with R4. Find the...

what is an example of assonance from the "Tell-Tale Heart" by Edgar Allan Poe with page numbers

I want to know about Phyllis Webb's poem - marvells garden

Answers

The following answers were posted by visitors named allan.

i think its 37.50

an algorithm in pseudo-code that accept 10 students marks and output average mark