Physics, 19.02.2020 05:24 19thomasar
On a horizontal, linear track lies a cart that has a fan attached to it. The mass of the cart plus fan is 364 g. The cart is positioned at one end of the track, and the fan is turned on. Starting from rest, the cart takes 4.49 s to travel a distance of 1.43 m. Now, mass is then added to the cart until the total mass of the cart-fan combination is 789 g, and the experiment is repeated. How long does it take for the cart, starting from rest, to travel 1.43 m? Assume that the cart travels with constant acceleration and ignore the effects due to friction.
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Calculate the ratio of h+ ions to oh– ions at a ph = 6. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of oh– ions at a ph = 6? mol/l what is the ratio of h+ ions to oh– ions at a ph = 6? : 1
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Physics, 22.06.2019 19:00
The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.
Answers: 1
On a horizontal, linear track lies a cart that has a fan attached to it. The mass of the cart plus f...
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