Grade 12 Physics
mhm ok so is this what the equation should look like (before I use quadratic equation)? 4.88/2= 2.44 2.44(t+1)^2 = 2.44 (t^2-2t-1) d=2.44t^2-4.88t+2.44 (3.66/2=1.83) 1.83t^2=2.44t^2-4.88t+2.44 0=0.61t^2-4.88+2.44 I am not even sure how I did the top one before placing it into ...
September 12, 2007
Grade 12 Physics
A young woman named Sassy Sue purchases a sports utility vehicle that can accelerate at the rate of 4.88m/s^2. She decides to test the car by dragging with another speedster, McSpeedy. Both start from rest, but experienced McSpeedy leaves 1.0s before Sue. If McSpeedy moves ...
September 12, 2007
hey gurl IP address is your Internet Protocol address. Its kinda of like your street address but for your computer like how you put a return address on letters your IP address is recorded when visiting websites and posting things so the website operators know where your coming...
July 6, 2007
I have a question on a quiz and I dont even know where to begin on figuring out the question... please help: Measurements on the percentave of enrichment of 12 fuel rods used in a nuclear reactor were reported as follows: 3.11 2.88 3.08 3.01 2.84 2.86 3.04 3.09 3.08 2.89 3.12 ...
June 5, 2007
The true speed of a moving car on the Earth, if you want to be very precise, would be the speed of the car with respect to the ground Is this true? yeah it is true yeah it is true The true speed of a moving car on the Earth, if you want to be very precise, would be the speed ...
May 10, 2007
Can you help with this question? Infants should not be given semi-solid food supplements of meat or meat alternatives before the age of _______ because their kidneys can not handle the extra nitrogen until this age. 3 months, 4 months, 6 months, or 12 months Isn't it 12 ...
April 20, 2007
Hi, I don't remember how to solve this. Please help me remember. "I live 3 miles north and 1 mile west of the mall. Ellen lives 2 miles south and 5 miles east of the mall. What is the shortest distance between our houses?" Thanks in advance, Haley Think about it...
February 28, 2007
volcano:lava::geyser:_____a.steam b.old faithful c.mountain d.magma a.steam because what comes out of a volcano? lava! what comes out of a geyser? steam! for analogies you just have to find the connection
February 15, 2007
how much is one acre i cant find out and i want an exact answer because all the things online say between this number and that number and it bothers me so please tell me what the answer is so i can go back to my school and feel confedent bye bye and yes i am a tomboy Type this...
November 27, 2006
A gun is fired vertically into a 1.55 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 190 m/s, how high will the block rise into the air after the bullet becomes embedded in it? i don't even know where to begin... would it have...
October 31, 2006
Physics (Elastic Collision)
A 0.400 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic energy (KE/KE) gets ...
October 29, 2006
At what rate must the cylindrical spaceship of Fig. 5-30 rotate (see Question 12 of the textbook), if occupants are to experience simulated gravity of g/6? Assume the spaceship's diameter is 44 m, and give your answer as the time needed for one revolution. I will be happy ...
October 9, 2006
A coin is placed 12.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 36 rpm is reached, at which point the coin slides off. What is the coefficient of ...
October 9, 2006
A city planner is working on the redesign of a hilly portion of a city. An important consideration is how steep the roads can be so that even low-powered cars can get up the hills without slowing down. It is given that a particular small car, with a mass of 1110 kg, can ...
October 1, 2006
How do you figure this problem out? How many different committees can be formed from 5 professors and 15 students if each committee is made up of 2 professors and 10 students? THANKS!!!!! The limiting factor is the students. You only have enough for one committee. There are ...
September 25, 2006
Tell me how to figure out these probabilities In how many different orders can 9 people stand in line? In how many ways can 4 people be seated in a row of 12 chairs? Thank you For the first problem, we have nine people and want to arrange them in a line. For the first position...
September 21, 2006
help with websites and introduction asap plz
i have to write an essay on this topic: The constitution was an attemt to addrss the problems that existed under the Articles of Confederation. A) list and explain three problems of decentralized power under the articles of confederation. for each problem identify and explain ...
July 27, 2006
Three boxes are labeled peaches, apples, and peaches & apples. Each box is labeled incorrectly. You may select only one piece of fruit from one box. How can you do this so that you can label the boxes correctly? Three boxes are labeled peaches, apples, and peaches & apples. ...
August 31, 2005
The crests of some swells or waves in the ocean are 20 m apart. As they pass, a boat at anchor bobs up and down every 5 seconds. The frequency and wavelength of the water wave are Answer 5 Hz and 20 m 0.2 Hz and 20 m 20 Hz and 5 m 5 Hz and 4 m.
August 28, 2005