Physics
The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is applied at the right end of the rod at 30 degree angle to hold the rod stationary in a horizontal position. What is the magnitude of the force F? I think ...
Math
What is the distance on the ground between 2 posts when the posts are attached to a platform that is 6 feet square and attached with 15 degree brackets? The posts are either 10 foot or 12 foot. Please answer for both.
algebra
Do you like roller coasters? If you were asked to design a roller coaster, what would it look like? Would it have steep hills? Would you design the tracks to go upside down? Did you know that polynomial equations are used by the structural engineers who design roller coasters ...
Math
28a^11b^7/4a^3b
Algebra 2
Find the value of $1000 deposited for 8 years in an account interest compounded semiannually.
Physics
Two people wearing skates facing each other. The 1st person is 75kg and pushes the second person 60 kg away at a speed of 2.0 m/s. What is the speed of the 1st person?
psychology statistics for behavioral sciences
A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for the entire test? c. Wh...
Quantum Physics
Helpppp
Quantum Physics
Helppp
chemistry
For the reaction below, Kp = 1.16 at 800.°C. CaCO3(s) CaO(s) + CO2(g) If a 21.7-g sample of CaCO3 is put into a 10.6 L container and heated to 800°C, what percentage by mass of the CaCO3 will react to reach equilibrium?
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