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Scott, riding for the Mercury team, won the 2002 Mt. Rushmore Hill Climb bicycle race with a winning time of 1 hour 50 minutes 20 seconds.
An ac generator with a frequency of 1.00 kHz and an rms voltage of 24 V is connected in series with a 2000 ohm resistor and a 0.365 H inductor.
Path A is 9.0 km long heading 60.0° north of east. Path B is 6.0 km long in a direction due east. Path C is 3.0 km long heading 315° counterclockwise from east.
What are the units of mass and the units of weight for the metric system?
A girl consumes 8.4 x 10 J (2000 food calories) of energy per day while maintaining a constant weight. What is the average power she produces in a day?
Vector A = 119 grams @ 164°. What is Ax ?
If you wanted to express your height with the largest number, you would use 1) meters, 2) feet, 3) inches, or 4) centimeters? Why?
Show that the general direction [ hkl ] in a cubic crystal is normal to the planes with Miller indices (hkl). Is the same true in general for an orthorhombic
Show that the ? = 1 eigenspace contains all vectors of the form
This means that the hydrogen molecules, on the average have the same kinetic energy and speed as oxygen molecule?
Sam, whose mass is 75 kg, takes off across level snow on his jet-powered skis. The skis have a thrust of 200 N and a coefficient of kinetic friction.
There are three elements from the 2x2 vector space:
A 1100 kg car, starting from rest accelerates for 5.0 seconds at a constant 4.60 m/s^2. Determine the average power generated by the vehicle.
The medium-powered objective lens in a laboratory microscope has a focal length f-objective = 4.00 mm.
A 1.5 kg object moving along the x axis has a velocity of +4.0 m/s at x = 0. If the only force acting on this object is shown in the figure
Suppose the same sound wave passes through an area of 25 cm^2. What is its intensity level?
A transformer with 250 turns in its primary is used to obtain the X-ray tube voltage of 40 kV, how many turns should there be in the secondary winding?
Peter noticed a bug crawling along a meter stick and decided to record the bug's position in five-second intervals. After the bug crawled off the meter stick
The vertical displacement of a string is given by y(x,t) = (6.00mm) cos[(3.25m to the power of (-1)) x - (7.22 s to the power of (-1))t].
Relative Motion - A boat travels up a river a distance d and then comes back to the origin
Assume the sun is mostly composed of hydrogen atoms. Assume the mass of the sun is 1.89*10^30kg, and the mass of a hydrogen atom.
In Euclidean three-space, let p be the point with coordinates (x,y,z) = (1,0,-1). Consider the following curves that pass through p:
A particle with a charge of -5.90 * 10^-9 C is moving in a uniform magnetic field B(vector) = -(1.25 T) k (hat).
How do I find the resultant of the three displacement vectors in the drawing by means of the component method?
Use P, N, and Z for positive (upward), negative, and zero, respectively. Separate the letters for velocity and acceleration with a comma.