Questions Asked on
August 7, 2015

Physics
If a man weighs 900 N on the earth, what would he weigh on jupiter, where acceleration due to gravity is 25.9 m/s^2?
asked by Godwin 
Math
Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. For one particular pair of markings, R is 60 mph when T is 8
asked by Makaila 
physics
A 1000 kg car can accelerate from rest to a speed of 25 m/s in 10 s. What average power must the engine of car produce in order to cause this acceleration? Neglect friction losses
asked by Muqadas 
Math
For a given interest rate, simple interest varies jointly as the principal and time. If $3000 left in an account for 6 years earned interest of $1260, then how much interest would be earned in 7 years?
asked by Larry 
physics
A gas at 250K and 15atm has a molar volume smaller than calculated from perfect gas law Calculate: a) the compression factor under these conditions b) the molar volume of gas
asked by Alice 
Mathmanipulation of the formula
Make "i" the subject of the formula A=P(1+i)^n
asked by Nino5 
physics
a bullet of mass 20g is fired into a block of wood of mass 400g . if the bullut and wood move together with speed of 20ms1 calclate(i) speed with the bullet hits the wood ii the kinetic energy lost iii state the energy changes involed
asked by kongo. 
Physics
A meterlong stick is balanced vertically on the ground. It is then made to fall with a gentle nudge. What is the speed of the end of the stick as it hits the floor? Assume the end on the floor does not slip. Treat the stick as a “thin rod.” Really
asked by Yoyo 
MTH 156
A crew consists of 1 apprentice, 1 journeyman, and 1 master carpenter. The crew receives a check for $6900 for a job they finished.A journeyman makes 300% of what an apprentice makes and a master carpenter makes make 250% of what a journeyman makes. How
asked by Bella 
Mth 156
A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 6% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company
asked by Kimberly 
Physics
a 50 g marble is released from a height 1 m above the floor. Calculate its momentum just before hitting the ground
asked by Anonymous 
economics
Suppose you are a stock market analyst specializing in the stocks of theme parks, and you are examining Disneyland’s stock. The Wall Street Journal reports that tourism has slowed down in the United States. At Six Flags Magic Mountain in Valencia,
asked by Anonymous 
physics
Suppose a car is traveling at +15.0 m/s, and the driver sees a traffic light turn red. After 0.405 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured
asked by sarah 
Physics
A 100 kg load is lowered by means of a cable with a downward acceleration of 5.0 m/s^2. What is the tension in the cable?
asked by Godwin 
physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.9 m/s and ax = +1.2 m/s2. The y components of the puck's initial velocity and
asked by sarah 
Physics
A cricket ball rotates at 1800 rev/min as it travels through the space in a straight line at 160 km/hr. How many times does it revolve after traveling 20m? Can someone confirm with me if 13.5 revolutions in 20m is right. That's the answer i got too. If
asked by Yoyo 
Sociology
One of the primary differences between the study of Society done by the people of ancient civilizations and the study of society conducted by sociologists 19th century was what?
asked by Steve 
maths
integrate. cos7xcos3xsinxdx.plz help tanks
asked by edward 
english
Human population and groups of people A. Demographics B. Community C. Population D. Norms
asked by bee 
Chemistry
Use the data in the table to determine how long it will take for half of the original amount of SO2Cl2 to decompose at the average reaction rate. Experimental Data for SO2Cl2(g) → SO2(g) + Cl2(g) Time (min) [SO2Cl2](M) [SO2](M) [Cl2](M) 0.0 1.00 0.00
asked by Chloe 
scientific stats
I get very confused when asked these types of questions. I need someone to explain it to me easier. Looking for another way to try to learn these questions. A typhoon is a mature tropical cyclone that develops in the western part of the North Pacifi c
asked by Luci 
physics
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.5 m/s when going down a slope for 3.18 s? (b) How far does the skier travel in this time?
asked by sarah 
physics
How many grams of Al2O3 are formed from 15L of O2 at 97.5kPa and at 21degree celcius.
asked by Alice 
soild
A piece of material subjected to three mutually perpendicular stresses of 70, 56 and 84 MPa. If E= 200 Gpa, Poissions ratio= 0.28 Determine 1) Principal strains 2) Shear modulus 3) Bulk modulus.
asked by raj 
Geometry
plane hkp and plane rkp are 2 distinct planes. Name the intersection of plane hkp and rkp my answer is line kp
asked by Steve 
Geometry
In a line with points a,b,c,d what is the name of the ray that is opposite ba? my answer is ca
asked by Steve 
Math
Kimi bought d donuts. There were 4 donuts in each box. Write an expression that shows how many boxes of donuts Kimi bought.
asked by Kate 
Physics
A torque of 32Nm is applied to a wheel, which causes it to accelerate at 25 rad/s2. What is the rotational moment of inertia of the wheel? I got 1.28kg/m^2.
asked by Yoyo 
math
if point a = 7 and b = 8 what is their length? my answer is 15
asked by Steve 
jones high school
which of the following represents a function on a line. ellipse circle horizontal vertical Is the correct answer vertical?
asked by kareen 
health
These could include a wellness center, a health food store, a grocery store that sells wholesome products, a vitamin store, your local gym, your doctor's office, or any other place that offers nutritional advice. Explain why you think they may or may not
asked by Nani 
math
A car travels 200 miles at 55 miles per hour at 22 miles per gal. How many gallons of gasoline would it use in 5 hours? my answer is 12.5 gals.
asked by kareen 
Physics
A spaceship is on a straightline path between the Earth and the Moon. At what distance from Earth is the net gravitational pull on the probe from the Earth and the moon zero? Mass of Earth = 6×10^24 kg. Mass of Moon = 7×10^22 kg. The distance from the
asked by Yoyo 
Physics
Which one of the following actions would make the maxima in the interference pattern from a grating move closer together? Decreasing the frequency of the laser. Increasing the frequency of the laser. Increasing the number of lines per length. Increasing
asked by Mary 
Maths
Let \displaystyle \int_{5}^{9.5} f(x) dx =4, \ \int_{5}^{6.5} f(x) dx=5, \ \int_{8}^{9.5} f(x)dx =8
asked by Santosh 
Physics
Suppose you wanted to be able to see astronauts on the moon. What is the smallest diameter of the objective lens required to resolve a 0.61 m object on the moon?
asked by Mary 
Maths
An army cook used 500ml of oil in working for 6 soldiers. How many liters of oil would be required for 480 soldiers?
asked by Anonymous 
math
Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(3.23x105h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is given by travelers is that
asked by farjana 
Maths
Fiveeights of the population of a village are men, onesixth are children and the rest, 500 in number are women. How many children are there?
asked by David 
physics
a pin has a diameter of 0.005mm at its sharp end. calculate the pressure exerted when a force of 2.0N is applied to the pin.
asked by kongo 
MATH
Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(3.23x105h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is given by travelers is that
asked by FARJANA 
English
When he thought he can afford to pay his own school fees.
asked by Munyaradzi 
English
This is in regard to the novels 1984 by George Orwell and Brave New World by Aldous Huxley. How and why do the protagonists Winston Smith and Julia, Bernard, and John the Savage try to assert themselves against their respective societies?
asked by Gaby 
physics
a stone is thrown in such a manner that it would just hit a bird at the top of a tree and afterwards reach a maximum height double that of the tree . if at the moment of throwing the stone the bird flies away horizontally with constant velocity and the
asked by prabhat 
Math
the intensity l of light from a light bulb, measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb. Suppose l is 70 w/m^2 when the distance is 5m. Find the intensity when the distance from the light
asked by Kalyn 
Writing
I'm doing a writing segment with the topic, law. I was wondering if the California eraser button law is still active?
asked by Francine 
physics
An object undergoes simple harminic motion of amplitude A. Through what total distance does the object move during one complete cycle of its motion?
asked by Godwin 
Battle
The cost of chicken wings at the local supermarket increased from $1.29 a pound the last month. About what percent increase I'd this?
asked by Marian 
Sociology
Are theories necessary to explain research findings? My answer is yes.
asked by Steve 
Geometry
If two sides of a triangle are 3 cm and 5 cm in length, which could NOT be the measure of the third side? A) 2 cm B) 3 cm C) 4 cm D) 5 cm I thhink it's A
asked by Yolanda 
Physics
A spring streches by 3.90 cm when a 10g mass is hung from it. If a 25g mass attached to this spring oscillates in simple harmonic motion, calculate the period of the motion?
asked by Godwin 
Chemistry
heating cyclopropane (C3H6) converts it to propane (CH2=CHCH3). The rate law is first order in cyclopopane. If the rate constant at a particular temp is 6.22x10^4 s^1 and the concentration of cyclopropane is held at .0300 mol/L, what mass of propane is
asked by Coco 
Physic
so i need to calculate the moment of inertia of the pulley and the angular acceleration of the pulley. mass A = 9kg Mass B = 15kg Inner pulley= Mass 3kg R= 6cm Outerpulley= mass 7kg R=12cm it is a composite pulley with two masses hanging. Mass A on the
asked by john 
Chemistry
what information must you know to calculate the boiling point elevation of a solution of hexane in benzene. Is it the temp, Kb and the molality?
asked by Coco 
Chemistry
Radioactive decay is first order in the decaying isotope. For example, strontium90 contained in fallout from nuclear explosions decays to yttrium90 and a beta particle. Write the rate law for the decay of strontium90. Can you please take me step by stem
asked by Soco 
Area
How many flowers can you plant in an area 19 square metres if each flower needs 0.04 square metres of space
asked by Phil 
algebra
Suppose Paul kicks a soccer ball straight up into the air with an initial velocity of 96 feet per second. The function f(x) = 16t2 + 96t gives the height, in feet, of the soccer ball after t seconds.Show all work to find the axis of symmetry
asked by sydney 
Chemistry
I'm having trouble understanding rate laws and manipulating them. So, for example, the rate law is rate= k[CO2][O3]. I was taught, maybe if I am just forgetting some pieces(been awhile), if I were to triple/double the partial pressure of CO2/O3, the rate
asked by Jake 
Scrambled Paragraph
Architects must consider many factors in designing a building. _1_ Q. Lighting is an essential aesthetic consideration in the design of a building's interior. _4_ R. It's source of daylight, high overhead and filtered through stained glass, creates
asked by Jenna 
Math
To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a _?_ A) Sunday B) Monday C) Tuesday D) Wednesday Is it B?
asked by Jina 
Math
In right triangle ABC above, segment DE is drawn from side AB to AC as shown, forming right triangle ADE. If BC is 24, AB is 12, and BD is 4, what is the length of DE? A.18 B.16 C.15 D.12 E.8
asked by Anonymous 
physics
A pole of infinite length is planted vertically on the ground. A stone is placed at a distance of 'd1' meters from the pole towards the right. A bird is sitting on the ground exactly in the middle of the pole and stone. The bird flies away towards the
asked by Anonymous 
math
How many different pairs of parallel edges are there on a rectangular solid?
asked by Anonymous