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A heat pump has a coefficient of performance of 3.70 and operates with a power consumption of 7.15 103 W.
(a) How much energy does it deliver into a home during 1 h of continuous operation?
(b) How much energy does it extract from the outside air?
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
A woman flying aerobatics executes a maneuver r = 380m, Determine the value of the centripetal force acting on the woman flying the airplane when at the top of the loop
A moving body undergoes uniform acceleration while travelling in a straight line between points X, Y and Z. The distances XY and YZ are both 40m. The time to travel from X to Y is 12s and from Y to Z is 6s.
A ball is thrown straight upward. At 5.50 m above its launch point, the ball's speed is one-half its launch speed. What maximum height above its launch point does the ball attain?
question 1 polymer diffusion the figure below indicates the result of a particle tracking experiment where lateral
Determine the magnitude of door's angular acceleration.
A converging lens with a focal length of 20 cm and a diverging lens with a focal length of -70 cm are 110 cm apart. Calculate the distance between image and diverging lens
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
The power output of a circuit is given by: P = i^2R = V^2/R = iV, Calculate the power output of each resistive element when a potential of 12 volts is applied
A block of wood has a density of 0.55g/cm^3 and mass of 2,500 g. it floats in a container of oil (the oil%u2019s density is 0.85 g/cm^3). What volume of oil does the wood displace
Two capacitors are connected parallel to each other and connected to the battery with voltage 30V. By how much energy of the system decreases
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of 9 grams of argon is raised by 75 K under conditions of constant pressure. Assuming that argon is an ideal gas, evaluate how much heat is required? J
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