Friday
December 13, 2013

# Posts by Kelsey

Total # Posts: 476

Physics.
A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first block. The surfaces of the blocks are rough. A constant force of magnitude F is applied to the first block. a) Identify the horizontal force that cause...

ENGLISH
1. Which of the following quotations is the best example of a paradox? (1 point)“I’ll drain him dry as hay. . . ” “Lesser than Macbeth, and greater.” “So well thy words become thee as thy wounds. . . ” 2. Which of the following is an example ...

math
Draw a model to represent the following quotient 2 1\2 / 2\3

math
Selena is making cookies. To make one dozen cookies, she needs 2/3 cup of brown sugar. How many cups of brown sugar does Selena need to make 4 1/3 dozen cookies?

math
how many 1/3 inch ribbons can be cut from a piece of ribbon that is 4 and 1/3 inches long?

Math
Find the value of y for a given value of x, if y varies directly with x. If y = –252 when x = 84, what is y when x = 74?

Physics
A speeding car is traveling at a constant 30.0 m/s when it passes a stopped police car. The police car accelerates at 7.0 m/s^2. a)how far will the police travel to catch up to the speeder? b) how fast will it be going when it catches up?

Physics
A speeding car is traveling at a constant 30.0 m/s when it passes a stopped police car. The police car accelerates at 7.0 m/s^2. a)how far will the police travel to catch up to the speeder? b) how fast will it be going when it catches up?

Physics
What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when (B) both ends are open. The speed of sound through the air inside the organ pipe is 343m/s. (Hint: if a harmonic does not exist, it would not be heard.)