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1. If you consume two hamburgers, one regular fries, and one 10 oz cola, how many hours on this meal alone can you
(a) cross country ski,
(b) play tennis, or
(c) watch television?
2. Brian is somewhat overweight and calculates that his excess body fat contains 18.0 miles of extra small blood vessels. Brian's weight is stable, but he consumes 10.5 MJ/d of metabolizable food energy. To reduce his weight, he decides to eat one fewer cheeseburger per day plus jog for one hour per day.
a. How much extra fat does Brian have at the beginning of his diet?
b. How many days does it take for Brian to eliminate this fat?
Anne is farsighted; the nearest object she can see clearly without corrective lenses is 1.9 meter away. Find what should the focal length of her contact lenses be thus that she can see clearly objects as close as 16.0 cm from her eye
One million Kilograms of water need to be pumped form a lake to a reservoir 85 meters above the lake. If the job is to be completed in 24 hours. What output power (in Hp) is required?
A scuba diver has her lungsfilled to half capacity (2 L) when she is 12 m below thesurface. what will be the volume of her lungs (in liters) at the surface
the barrel of a ri?e has a length of 0.942 m. a bullet leaves the muzzle of a ri?e with a speed of 580 ms. what is the
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.7° below the horizontal. determine the car's position relative to the base of the cliff
A scholars open a 12 kilogram door by applying a force of 40 Newton at a perpendicular distance of 0.90 meter from the hinges. Evaluate what the magnitude of angular acceleration
A 5.3MeV (kinetic energy) proton enters a 0.15T field, in a plane perpendicular to the field. What is the radius of its path
Future space stations will create an artificial gravity by rotating. Consider a cylindrical space station of 380 m diameter rotating about its axis, how much gravity would they experience
A solid cube of wood of side 2a and mass M is resting on a horizontal surface. The cube is constrained to rotate about an axis AB. A bullet of mass m and speed v is shot at the face opposite ABCD at a height of 4a/3. The bullet becomes embedded in th..
A bullet of mass 5.0 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance of 15 cm. calculate the bullet's initial speed
A sophomore with nothing better to do adds heat to 0.350 kg ofice at 0.0oC until it is all melted. What is the total change in entropy of the water and the heat source
Consider a light airplane, 5158 lbs, with a tricycle landing gear. The front wheel is 5.62’ ahead of the c.m., the rear wheels are 1.12’ behind the c.m. The front wheel strut is 1” dia and the rear wheel struts are 3” dia.
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