Questions Asked on
June 4, 2020

Physics
A crane lifts a 425kg steel beam vertically upward a distance of 95 m. How much work (in kJ) does gravity do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces. Give your answer to 3 significant figures and remember that
asked by AVIRO 
Science
Write the following in scientific notation in their respective SI units ( 3 dig fig) a) 286.6 km b) 0.864um c) 760mg d) 62.1 ps
asked by Amy 
history
Which were impacts of the Vietnam War on American culture? Select all that apply. A. Government regulations were placed on television broadcasting to keep images of the war from reaching the public. B. A new movement sought to restore the proper role of
asked by Anonymous 
mathematics
What is the probability that when you roll two 6 sided dice that the dice add up to 8? I've been stuck on this problem for a while I really need help please.
asked by Chicken wing 
English
Which element of the story best helps the reader understand why Sargon is grown? 1 setting 2 characterization 3 mood 4 theme
asked by Bruh 
Physics
What is the work done by the movers on the chest when they lift it straight up 1.0 m compared to sliding it up the 4.0mlong the frictionless ramp?
asked by AVIRO 
Algebra
Hi! I know this may be cheating but I just wanna ask if one of yall could tell me the answer just for these 3 questions, it would be a bunch of help! =,) 1. Write the equation in pointslope form of the line that passes through the given points. Then write
asked by joe goldberg 
science
The reaction BrO + 3SO32 → Br + 3SO42 : has the rate law, Rate = k[BrO][SO32] a. What is the order of the reaction with respect to each reactant?
asked by karina 
Mathematics
X is partly constant and partly varies with y.when y=3 x=11 and when y=4 x=14. A)find the relationship between x and y. B) fine x when y=10
asked by Anonymous 
Maths
A 4cm long chord subtends a central angle of 60 degree what us the radial segment of the circle
asked by Abdullah 
Anthrophology
what is the oldest stone tool technology? a.acheulian b.oldowan c.lavolious d.mousterian
asked by Angiee 
Math
If the diagonal of a rectangle is 25 cm and the length is 3cm more than triple the width what are the dimensions
asked by Anonymous 
Mathematics
A cone is 8 cm high and it's vertical angle is 62 degrees. Find the diameter of it's base
asked by Ayomide Quadri 
Physics
A FORCE OF 40N APPLIED AT THE END OF THE WIRE OF LENGTH 4M AND DIAMETER 200MM PROCESS AND EXTENSTION OF 0.24 CAL YOUNG MODULUS
asked by FLORA 
science
June 2020 Test Three charges lie along the xaxis. One positive. charge q1=15micro coulomb is at x =2.0m and another positive charge q2 =6.0 micro coulomb is at the origin. At what point on the xaxis must a negative charge q3 be placed so that the
asked by Ezekiel 
Mathematics
an exponential sequence (geometric progression) has first term x and common ratio x ,x≠1 write down the sum of the first n terms of this sequence (1a): write down the sum of the first n terms of this sequence (1b): xinfinity (1c): if An=sum r=1 to n
asked by Same 
Chemistry
What mass of phosphorus will be needed to produce 5.25 mol of P4O10? 4P + 5O2→ P4O10
asked by Janessa 
physics
A camper does 7.4 x 102 J of work in lifting a pail filled with water 3.4 m vertically up a well at a constant speed. a)What force is exerted by the camper on the pail of water? b)What is the mass of water in the pail?
asked by frell 
Math
What is the proof for the sum of all rows above the nth row in the Pascal triangle is one less than the nth row?
asked by Avery 
Pre Calculus
Find an equation for the slope of the graph of y=(x^2)2 at any point
asked by Tim 
English
what conclusion can you draw about jason from the dialouge in line 10 in a surprising point of view A. Jason procrastinate doing his schoolwork. B. Jason and Ms. Smith have. good relationship C. Jason is one of the best students. D.Jason is embarrassed to
asked by Mr. Clean 
Algebra
Given the function f(x)=4x, what would f(x) be as a piecewise function(That does not include absolute value symbols)?
asked by ri 
Physics
Exercise 1: a) What is the apparent weight for a roller coaster rider at the bottom of a loop vs at the top of a loop? b) What is the min speed the car must pass along the loop so that the rider does not fall out while upside down at the top of the loop?
asked by Glichav 
Algebra
Solve: please include statement and reason Given: ΔАВС, m∠ACB = 90° CD ⊥ AB, m∠ACD = 30° AD = 6 cm. Find: BD
asked by Helen 
math
How can you find the volume of a box without filling it completely? Will your answer be exact? Explain. How can you find the volume of a box without using cubes?
asked by joness 
Calculus
Find the derivative by rule: dy/dx 1/2√x
asked by Sarah 
Maths
I don't know how to solve this by elimination 4c  3d=1 2c + 4d=17
asked by Mercy 
Mathematics
A bag contains only red, green, brown and yellow marbles. The probabilities of selecting each colour are shown below Colour= red green brown yellow Probability = 6x 2x x 4x Find the probability of selecting a red marble
asked by Tilly 
Mathematics
Using ruler and a pair of compasses only I.construct a triangle ∆XYZ such that XY=10cm angle
asked by Issabel 
Mathematics
An arc substend an angle of 105 degree at d centre of a circle of radius 6cm . find the length of the arc if pi 22/7
asked by Flora 
Mathematics
she realizes one of the "avrages" was 79... she just can't remember if it was the mean or median. She also remembered that 27 students took the test, the test was out of 100 points, and 18 of them scored 70 or greater, and of those, 7 scored higher than
asked by George 
physics
A student pushes against a large maple tree with a force of magnitude 250 N. How much work does the student do on the tree? wouldn't it be zero. If not, what could be the right answer? W=F*D W=250*0 W=0
asked by frell 
English
Which best describes the boy in "Boy Flying"? A. He is eager to leave the ground and never return. B. He is proud of all the hard work he did to learn how to fly. C. He is confused about how he is able to fly when no one else can. D. He is separated from
asked by Taylor 
mathematics
Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay for the shirt?
asked by Elijah 
Physics
A train moving with uniform acceleration takes 20s and 30s How much distance it travels before coming to rest
asked by Pranav 
Math
The Amold family arrived at the beach at 10:30 A.M. They spent 3 3/4 hours there. What time did they leave the beach?
asked by Kadyn M. 
Social studies
Name 10 reasons why the citizens of Zimbabwe are dissatisfied with the current president, Emmerson Mnangagwa. How has the the country's situation remained the same since Mugabe's removal?
asked by Muneer 
Chemistry
So I had a test question that asked the following, "What will happen when a reactant is added to a system at equilibrium?" The answers are A. more reactants will form B. The system will remain at equilibrium C. Only the concentration of the reactant will
asked by Sydney 
Science
What are three research goals of scientists in Antarctica? can someone list 3 please?
asked by Doki Dude 
Maths
x^x+(7x)^(7x)=93 What is x? Am thinking of using Lambert w function but am still lost on how to apply it I Know that W(xe^x)=x
asked by Philip 
Maths
How do I show that Sum r=0 to n (1)^r ncr=0?? Please how have tried and tried?
asked by Same 
Mathematics
Hailey's grandmother made a quilt for her birthday composed of 125 tiles that are each one third square feet, what is the total area of the quilt?
asked by Kenna 
Chemistry
If 33.5 g of Mg(OH)2 reacted, what mass of H2O could be produced? Mg(OH)2(s) + HCl(aq) > MgCl2(aq) + H2O(l)
asked by Janessa 
history
after world war II why did russia's stance toward europe become dominant and the united states' stance became one that they felt that they should be an influence in europe?
asked by rick 
English
What is the importance of Ale house in she stoops to conquer
asked by Maria 
chemistry
calculate number of nucleons in 10cm^3 fluorine gas
asked by Anonymous 
history
"progressive hunted directorial" is it an accurate description of napoleon
asked by deolyn ziki