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Danny
Questions (417)
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N.
0 answers
397 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.
A) What is the
2 answers
502 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.
A) What is the
1 answer
402 views
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters.
A) What is the
1 answer
366 views
1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters.
A) What is the
1 answer
389 views
1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters.
A) What is the
1 answer
384 views
An object is thrown directly downwards from a height of 60m with an initial velocity of 11m/s. What will be its velocity on
1 answer
2,813 views
Which of the following statements about acceleration is true. Acceleration is:
A) time/ velocity B) force/ time C) the rate of
0 answers
1,063 views
Which of the following statements about acceleration is true. Acceleration is:
A) time/ velocity B) force/ time C) the rate of
1 answer
1,842 views
A body moves 180 degrees from point A to point B in a semi circle. The diameter of the semi circle is 2m. Calculate the distance
1 answer
906 views
Camera lenses are described in terms of their focal length. A 50.0 mm lens has a focal length of 50.0 mm
(a) A camera with a 50
2 answers
3,167 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
1 answer
729 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
0 answers
962 views
Simple Machines
A simple wheel and axle has a wheel diameter of 2.3m and an axle diameter of 92mm. If an effort of 26N is
3 answers
3,021 views
A beam having a length of 20 metres is pivoted at its mid point. A 200 newton load is located at a point 5 metres from the right
3 answers
1,265 views
A body of 150kg is located at a height of 45m. If allowed to fall freely to the ground. What will be its velocity on impact?
2 answers
639 views
A body is moving north at 12m/s and 5 seconds later it has a velocity of 30m/s in the same direction. What was the acceleration
0 answers
410 views
A Body with a mass of 150kg is located at a height of 45 m. If allowed to fell freely to the ground. What will be its velocity
2 answers
1,632 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
3 answers
833 views
Find the total surface area of a closed cylinder having a diameter of 1.000 m and 15.000 mm and a length of 12.000 m and 55.000
1 answer
472 views
Calculate the mass of water in kg and tonne contained in a rectangular tank with the following dimensions: width of 3.2000
1 answer
558 views
How do you convert 7 to the square root of 2 into a decimal?
Also, how do you convert 3 to the square root of 8 into a decimal?
2 answers
399 views
Radio stations use three or four letters for their call letters(name). The first letter must be a W or K. How many different
2 answers
3,289 views
Frank has 3 nickels, 5 dimes, and 2 quarters. What is the range, mean, median, and mode of the values of Frank's coins?
4 answers
1,798 views
Zinc chloride solution is poured into a solution of ammonium carbonate.
need conventional, ionic and net ionic equations thanks
0 answers
1,074 views
One of the most powerful cranes in the
world, operating in Switzerland, can slowly raise a load of 6000 tonne to a height of 12
1 answer
1,910 views
If a train traveled at 480 kilometers per hour for 1/4 hour,what distance would the train travel?
1 answer
479 views
The condensing pressure is 260psig and the metering device inlet temperature is 100 degrees for R-22 what is the total
0 answers
394 views
I have no idea how to begin solving these problems...
Calculate the normality of a 1.0 molal solution of each of the following
4 answers
485 views
If the specific volume of red brass is 0.001865 ft/3lb.
What would be the density? Thanks!
1 answer
1,254 views
Line L is tangent to the graph of y= x- (x^2/500) at the point Q
a) find the x coordinate of point Q B) right an equation for
0 answers
1,140 views
Which is a molecule of phosphoric acid contains 3 atoms of hydrogen to every 4 atoms of oxygen. Could a compound containing 16
1 answer
616 views
A 2561-kg van runs into the back of a 823-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with
1 answer
497 views
A hockey player makes a slap shot, exerting a constant force of 31.4 N on the hockey puck for 0.13 s. What is the magnitude of
0 answers
608 views
Haloke does 179 J of work lifting himself 0.296 m. What is Haloke's mass?
1 answer
429 views
Early skeptics of the idea of a rotating Earth said that the fast spin of Earth would throw people at the equator into space.
1 answer
1,327 views
An airplane flies due south at 185 km/h relative to the air. There is a wind blowing at 68 km/h to the east relative to the
2 answers
1,305 views
Tom has a mass of 69.0 kg and Sally has a mass of 54.0 kg. Tom and Sally are standing 20.0 m apart on the dance floor. Sally
2 answers
1,345 views
Two balls have their centers 2.0 m apart. One ball has a mass of m1 = 8.3 kg. The other has a mass of m2 = 5.9 kg. What is the
2 answers
2,615 views
A 225-kg crate is pushed horizontally with a force of 690 N. If the coefficient of friction is 0.20, calculate the acceleration
2 answers
3,320 views
Young Goodman Brown is a dynamic character TRUE OR FALSE
2 answers
1,749 views
You plan to invest $12,000 in two funds paying 41/2% and 5% simple interest. (There is more risk in the 5% fund.) Your goal is
1 answer
834 views
One line of symmetry and no rotational symmetries (other than 360 degrees)
im supposed to draw this but idk what it is
2 answers
479 views
what is the diffrence between .5 percent and 50 percent
1 answer
364 views
if the ratio of the girls to boys in a classroom is 2 to 3 why isnt it correct to say 2/3 (two thirds) of the class are girls.
1 answer
395 views
The molecular weight of CaCl2 is 110.98 g/mol. In order to make up 500.0 ml of a 0.500 M solution, you need how many g?
1 answer
824 views
A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3400 m peak.
(a) What is the hiker's change in
1 answer
2,303 views
The recommended dosage of iodine-131 is uCi/kg of body weight. How many microcuries of iodine-131 are needed for a patient with
2 answers
794 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.
Part A: What is the sum of the first 6 terms of the sequence?
2 answers
521 views
Suppose you have a $1,000 charge on a credit card charging 1.5% monthly interest using the adjusted balance method. The minimum
0 answers
443 views
Find the ending balance in an account that opens with $5,000, earns 7.5% interest compounded quarterly, and is held for 20
1 answer
487 views
A certain lock has four tumblers, and each tumbler can assume three positions. How many different possibilities are there?
1 answer
675 views
A car dealer will sell you a used car for $6,162 with $162 down and payments of $214.67 per month for 36 months. What is the
1 answer
496 views
Answer the question and tell whether it illustrates inductive or deductive reasoning.
(a) What is the 50th consecutive even
0 answers
435 views
Find the amount of compound interest earned in an account that opens with $23,000, earns 3.9% interest compounded daily, and is
1 answer
1,137 views
An oil-drilling company knows that it costs $28,000 to sink a test well. If oil is hit, the income for the drilling company will
1 answer
839 views
Evaluate the expression.
\( _3^12 \)
1 answer
349 views
Evaluate the expression.
\( _3^10 \) \( _4^5 \) \( _1^4 \)
1 answer
336 views
A cowboy is practicing his lassoing technique by lassoing the fence posts at his ranch. Consider that is lariat forms a perecly
0 answers
592 views
1. .0025 M tartric acid completely reacts with .0030 m of al bicarbonate if .913 l of co2 forms at 298 k with pressure of 1.4
1 answer
574 views
URGENT!!!!! 4 questions total!
1. .0025 M tartric acid completely reacts with .0030 m of al bicarbonate if .913 l of co2 forms at
0 answers
992 views
In a 0.05M solution of a weak monoprotic acid,[H+]=.0018.What is its Ka?
1 answer
1,158 views
A number from 11 to 24 is drawn at random. What is the probability that 18 is drawn? Write your answer as a fraction.
A) 1/7 b)
1 answer
403 views
BACKGROUND:
Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources
4 answers
695 views
BACKGROUND:
Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources
0 answers
747 views
The actual heat of formation of MgO is -601.8 kJ/mol. Convert this to kcal/mol and calculate your % error. And list two possible
1 answer
472 views
What are the mass and the atomic number for the anion of Cl 35?
0 answers
348 views
KI+H2SO4
Write the balanced net ionic equation.
1 answer
979 views
What are the mass and the atomic number for the anion of Cl 35?
0 answers
342 views
How do I find the reference angle in radicals given the value of cosecant 5 pi/6?
1 answer
603 views
it costs $175 to rent a jet ski for 2 hours. it costs $300 to rent a jet ski for 4 hours. write an equation that represents y
1 answer
796 views
What is the electric field midway between an electron and a proton separated by 0.7 nm?
1 answer
594 views
What is a magnetic field of 950 G expressed in tesla?
1 answer
325 views
A merry-go-round is a common piece of playground equipment. A 2.4 m diameter merry-go-round with a mass of 300 kg is spinning at
1 answer
7,187 views
A 340 g bird flying along at 6.0 m/s sees a 14 g insect heading straight toward it with a speed of 30 m/s. The bird opens its
0 answers
1,224 views
find the electrostatic potential,
and then the electric field a distance z above the centre of a circular loop of radius r, which
0 answers
489 views
Is BCI3 polar or non polar ,identify the negative ends
1 answer
546 views
A locomotive is accelerating at 2.0 m/s2. It passes through a 20.0-m-wide crossing in a time of 2.8 s. After the locomotive
1 answer
871 views
Describe how an operating system that uses paging could make stacks grow dynamically if the original size proves too small. What
0 answers
472 views
Evaluate. Express each result in scientific and standard notation.
(5.62 x 10^-3) (16 x 10^-5) and 9.2 x 10^3 2.3 x 10^5
1 answer
546 views
which of the following locations in New York State is most likely to have the smallest range in temperature?
1. Long Island 2.
1 answer
578 views
which of the following surfaces would absorb the least amount of insolation?
1. an open field 2. a forest 3. an asphalt parking
1 answer
434 views
I have a question in chemistry relating to identifying a compound that would precipitate the iron ions out of a water supply. I
1 answer
502 views
How do i graph and do this problem Y=x
2 answers
394 views
How much money has to be invested at 4.3% compounded continously to have $19,000 after 16 years
1 answer
405 views
Match the following organs with one of its functions.
1. Oral cavity ______ a. stores bile 2. Pharynx ______ b. begins mechanical
0 answers
865 views
What statement does the story (or stories) of Winesberg, Ohio make about life in the small towns of America?
1 answer
332 views
find the x- and y- component of vector R which has a length of 13cm at 30.0 degrees
1 answer
793 views
An equilateral triangle s divided into 4 congruent equilateral triangles. What method can be used to find the area of the larger
1 answer
1,622 views
Mrs. Jones bought 3 1/2 pounds of ajita meat at $2.50 per pound, 1 3/4 pounds of pinto beans and a package of tortillas for
5 answers
638 views
Mrs.Flores bought 5 pounds of cheese. He used 2 1/4 pounds for cheese spread. 1 3/4 pounds for nachos and the rest for
1 answer
609 views
If the create has a mass of 90 kg and is 1.6 {\rm m} tall and 0.80 {\rm m} in depth and width, what is the minimum force needed
1 answer
473 views
Many cmpanis have found tat family-friendly policies:
a. are good recruiting tools, but often result in relocation failures. b.
4 answers
434 views
To make the following saline solution(375ml 0.5%w/v sodium chloride) what would you weight out?
what volume of water would you
2 answers
614 views
Why did the Sumerians set up governments?
1 answer
415 views
Richard is driving home to visit his parents. 125 of the trip are on the interstate highway where the speed limit is 65 .
6 answers
2,771 views
In college softball, the distance from the pitcher's mound to the batter is 43 feet. If the ball leaves the bat at 90 , how much
2 answers
1,151 views
What is the connection between habit and moral character?Is a bad habit indicative of bad moral character or are habits, by
3 answers
546 views
interactionism what influence does culture have on personality did you observe a particular culture derived trait which one of
2 answers
571 views
Magnesium reacts with oxygen to form magnesium oxide according to the following equation:
2Mg(s) + O2(g) ==> 2MGO(s) If 0.81
3 answers
1,921 views
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