college
6.25 is correct
Physics
A 7.0 kg bowling ball moves at 2.40 m/s. How fast must a 2.60 g Ping-Pong ball move so that the two balls have the same kinetic energy?
physics
A 726 kg car travels from Boone to Blowing Rock along US321. How much working is needed to keep the car traveling at a constant speed of 21.8 m/s around a curve of radius 28.4 m?
Physical Chemistry
The equilibrium constant for a reaction was measured at several temperatures and the data plotted at right. The slope and y-intercept of the plot are +3.25 kK and -4.04, respectively. Calculate ΔrH(std), ΔrS(std), and ΔrG(std) using this information.
Physical Chemistry
A 100 amino acid folded protein (F) is in equilibrium with it’s unfolded (U) (or denatured) form. Let ΔrH(std) =+347 kJ mol-1 and ΔrS(std) =-1010 J K-1 mol-1 for the equilibrium (F U) at 25℃. (a) Calculate the concentration of protein in each form if the t...
Physical Chemistry
Calculate the standard reaction Gibbs energy of the oxidation of ammonia to nitric oxide according to the equation 4 NH3g) + 5O2(g) → 4 No(g) + 6 H2O(g).
physical chemistry
Calculate the equilibrium constant (K) for the ammonia synthesis reaction at 25°C and show how K is related to the partial pressures of the species at equilibrium. Consider that the overall pressure is low enough for the gases to be treated as perfect. N2(g) + 3H2(g) ->...
math
If the ratio of onions to cilantro is 4:3 and I'm using 2/3 cup of onions, how much cilantro will I need?
Math
Fireworks are fired at an angle of 82degrees with the horizontal. They are expected to explode about 100 m in the air, 4.8 secs after they are fired. What is the initial velocity of a shell fired from ground level. I think I have to find the vertical and horizontal components ...
Physics
An artillery shell is fired with an initial velocity of 300 m/s at 65.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 37.5 s after firing. What are the x and y components of the shell where it explodes, relative to its firing point? x = ______...
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