phys
Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at where the water is...
physics
A prep cook spins a salad spinner 25.0 times in 10.0 seconds (at a constant rate) and then stops. The salad spinner rotates 8.00 more times before it comes to rest. Assume that the spinner slows down with constant angular acceleration. What is the angular acceleration of the s...
phys
A disk rolls down a slope. It rotational axis is its center of mass. It is rotation at a constant angular speed making 34.0 full revolutions in a time interval of 3.30 s. 1)What is the rotational inertia of the disk if its mass is 11.7 kg, and its radius is 49.6 cm? A=1.44kmg^...
phys
well, the thing is, those are the components in relation to the ground, not with each other. I can't figure out how to relate it to each other.
phys
Consider an antelope being chased by a tiger. The antelope is running at a velocity of 5.21 m/s at an angle 14.3 degree E of S. The tiger is running at a velocity of 11.64 m/s at an angle of 31.4 degree W of S. (Use East as positive x and North as postive y) 1)What are the x a...
phys
nvm, figured it out myself
phys
q 1: What is the final velocity of the boat? q 2: What is the total displacement of the boat? q 3: What is the total time the boat moves?
phys
Sam is taking his girlfriend Sally out for a ride in his boat. He starts out at rest. He accelerates with an acceleration of 0.199 m/s^2 for 83.9 s. At that time Sally decides they are going fast enough and the boat moves at constant speed for a distance of 283 m. Then Sally d...
physics
At what displacement from the equilibrium is the total energy of a simple harmonic oscillator one - sixths KE and five - sixth PE? Answer should be in terms of the amplitude A.
Economics
If, when there is full employment, the federal government increases its spending without increasing its tax revenues, generally: 1. an increase in employment will occur 2. a serious depression will occur 3. the national debts will occur 4. inflation will occur Is choice 3 corr...
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