Wednesday
December 11, 2013

# Posts by ray

Total # Posts: 354

Physics - Center of Mass
A baseball player uses a bat with mass mbat to hit a ball with mass mball. Right before he hits the ball, the bat's initial velocity is 36 m/s, and the ball's initial velocity is -20 m/s (the positive direction is along the positive x-axis). The bat and ball undergo a ...

math
Describe how you can use a number line to order the fractions 3/7, 5/7 and 1/7 from least to greatest.

MATH
You have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8 marbles in each sack?

physics
what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?

math
There are 25 books in a bookcase. The books in the bookcase are all math, science, and history books. Seven of the books are math books. There are 4 fewer science books than history books. How many science books are in the bookcase?

physics
NEW ZEALAND

MATH
THANK YOU I HAD A HARD TIME UNDERSTANDING

MATH
NUMERICAL EXPRESSION- 12 TIMES AS LONG AS 2 IN.

math
Adrian said that any 2 digit number with 2 identical,digits is divisible by 11. Do you agree? Explain.

physics
regards bungee jumping How accurately must the weight of the jumper be known?

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