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José is running on a treadmill at 12 mph expends 1300 kilocalories of energy per hour. A) Find the power José is exerting while running in Watts [W] B) Minh, using another treadmill, runs 9 mph and exerts proportionally less energy (975 kcal/hr). After José and Minh each goes 10 km, find the total energy exerted (add both). C) Sitting on a couch watching the Sochi Olympics, José is eating an In-N-Out Double-Double Cheeseburger with onions. If sitting on the couch while eating burns approximately 100 kcal an hour, how long will José need to run on the treadmill at 12 mph to get rid of all of the calories from the cheeseburger after he has watched an hour of TV. (Cite your source for the number of calories in the In-N- ut burger) *Double Double use 670 calories.
An unknown substance has a mass of 0.125 kg and an initialtemperature of 95.0°C. calculate the specific heat of the unknown substance
The resonant frequency of an RCL circuit is 1.5 kHz, and the value of the inductance is 6.4 mH. What is the resonant frequency
The water was originally at 0°C. The specific heat of water = 1.00 kcal/kg×°C, The original temperature of the ice was:
A meter stick of weight W leans away from a wall. The 0 cm line is against the wall at the floor and it makes an angle of theta with the wall. It is kept from falling by a horizontal string connected to the 80 cm line. What is the tension (T) in the ..
A rectangular block of glass (n = 1.52) surrounded by a liquid with n = 1.70. At what angle does the ray leave the glass at point B
A tortoise can run with a speed of 0.11 m/s, and a hare can run 20 times as fast. In a race, determine How long does the race take
A mass of .500 kg is connected to a spring of spring constant 30 N/m. The oscillation begins by pulling the mass to the right to amplitude 0.40 m before release, what is the damping constant of the oscillation
An 81.0 N box is pulled 22.0 m up a 30° incline by an applied force of 102 N that points upward, parallel to the incline. calculate the change in the kinetic energy of the box
The mass of a gas molecule can be computed from its specific heat at constant volume, cv. Take cv = 0.148 cal/g°C for neon and calculate the mass of a neon atom
What average force did the block exert on the bullet if it took 0.07 s to stop the bullet?
Two students perform an experiment with a train and a ball. Michelle rides on a flatcar pulled at 8.35 m/s by a train ona straight, horizontal track. What was the initial speed of ball as seen by Gary
A 0.49 kg block attached to a spring with force constant 150 N/m is free to move on a frictionless, At that instant, find the force on the block
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