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An automobile engine with an efficiency 0.23 dumps heat to the environment at the rate of 450 kW. Part A What's its mechanical power output in W? Part B What's its mechanical power output in hp? Express your answers to two significant figures and include the appropriate units.
A certain automobile engine delivers 2.54 ? 104 W (34.0 hp) to its wheels when moving at a constant speed of 25.0 m/s ( 56 mi/h)
Incurred expenses of $220,000 for its alcohol rehabilitation program but paid the expenses from unrestricted resources, not from available restricted resources.
A red blood cell typically carries an excess charge of about -2.5 × 10-12 C distributed uniformly over its surface. How many excess electrons does a typical red blood cell have
Assume a dampening depth, d, of 30 cm and a period, lambda, of 24 hours (8.64 x 104 sec). Assume a volumetric heat capacity, C, of 0.5 cal/cm °C, find the thermal diffusivity and conductivity
Two insulating spheres have radii r1 and r2, masses m1 and m2, and uniformly distributed charges -q1 and q2. How fast is each moving when they collide
Calculate the vertical component of its velocity by the time it hits the ground
You might think that it is never a good approximation to ignore air resistance. However, often it is. How far should you go to reach the treasure in paces
A jet flying at 136 m/s banks to make a horizontal circular turn. Calculate the magnitude of the necessary lifting force
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 8.4 rev/min, what is the velocity of the child in m/s
A particle with a charge of 34.9 moves with a speed of 68.3 m/s in the positive direction. What is the magnitude of the magnetic force on the particle
Mars has a mass of 6.4*10^23 kg and radius of 3,400,000 m. find the acceleration due to the gravity on Mars
The first has a magnitude of 128 cm and makes an angle of 113 degrees with the positive x axis. The resultant displacement has a magnitude of 180 cm and is directed at an angle of 39 degrees to the positive x axis.
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