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Posts by karrie

Total # Posts: 21

Chemistry
Container A contains argon gas at 0C and pressure 380mmHg. Container B of volume 700 ml contains neon gas at 25C and pressure of 3atm. Both of these gases are placed in a 2L vessel at 273K and the total pressure is 1.46atm. What is the volume of container A?

Physics
A 3.20 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-half the original speed of the 3.20 mud ball. What is the mass of the second mud ball? kg

Physics
A 5.3 g coin sliding to the right at 26.8 cm/s makes an elastic head-on collision with a 15.9 g coin that is initially at rest. After the collision, the 5.3 g coin moves to the left at 13.4 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find the amount of ...

Physics
A railroad car with a mass of 1.93 ✕ 104 kg moving at 3.12 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.04 m/s. What is the decrease in kinetic energy during the ...

Math
i don't I ASK FOR HELP

Physics
Two blocks, the first with a mass of 30 kg, and the second 10kg, are connected by a string and pulled accross a frictionless surface by a force with a magnitude of 75 N. Find the magnitude of the tension acting along the string that connects them.

geometry
Given: QRST is a parallelogram. Prove: QRST is a square. Complete the proof below by choosing the reason for line number 2 and line number 6. Reason Statement 1. QRST is a parallelogram. Given 2. QRST is a rectangle 3. is a right angle Definition of a right angle. 4. ...

teacher aide
Children with a language or speech disorder are A sometimes suffering from an aphasia B always learning challenged C able to receive special help only after the third grade D unable to use communication boards I need help

teacher aide
Can someone tell me if I have it answered right. A common stereotype against females is that they are A Messy B Passive C Active D Competitive I say B passive I'm I right.

Teacher aide
Which of the following equipment would you use to show a filmstrip to an entire class? A filmstrip viewer B filmstrip projector C videocassette recorder D movie projector Just want to know if I have it right. Is it B

Preschool
Thanks you ms sue and bobpursley

Preschool
I'm doing a lesson plan for preschoo children and it says sensory expirences and im not sure what that means can anyone please help?

childcare
Thank you that helps so much!!!

childcare
preschool...I would like to do one about how the children are different yet they are alike in ways.

childcare
I have to do a lesson plan on diversity for my class and im not sure what kind of lesson plan to do and i cant find any websites that help me can some please give me suggestions on diversity

child care
thank you so much

child care
I'm doing a lesson plan on diversity for pre-school children and i was wondering what it means when it says sensory expirences?

math 12
Does anyone know how to do this question? The cross section of the roof of a house is modelled by the function y= -5/12|x-12|+5 I need to find the slope, height,and length of both sides including the base of this isosceles triangle. I'm having a extremely difficult time ...

math 12
I know this is alot to ask but could someone please check to see if I did this right and help me with the transformation. I was given this transformation problem. The cross section of the roof of a house is modelled by the function y= -5\12|x-12|+5, where y>0 or y=0. I need...

Algebra I
Hi: I am looking for confirmation that I have done this problem correctly: 6-(-5r)=5r-3 6+5r=5r-3 6+3+5r=5r-3+3 9+5r=5r 9+5r-5r=5r-5r 9=0

CHILD DEVELOPMENT
Which of the following budget items is usually given the lowest priority in running a child care facility? A. CLASSROOM MATERIALS B. SALARIES and BENEFITS C. MAINTENANCE D. SCHOOL EQUIPMENT salaries and benefits Since this is not my area of expertise, I searched Google under ...

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