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An engine absorbs 416 J of heat and does 128 J of work in each cycle.
1)
(a) What is its efficiency?
(b) How much heat is rejected in each cycle?
The star Mizar in Ursa Major is a binary system of stars of nearly equal magnitudes. What is the minimum diameter of the pupil
in a vacuum, a certain light has a wavelength ?0 = 589 nm and travels at speed c = 3.00x10^8 m/s. What is its speed if traveling in sodium chloride
a 32.0 kg child slides down a long slide in a playground. she starts from rest at a height h1 of 20.00 m. when she is
Four blocks EACH of mass m = 10 kg are arranged as shown in the picture, on top of a frictionless table. What is the total force exerted by block 2 on block 3
Consider a bright star in our night sky. Assume that its power output is 3.20 1028 W, about 80 times that of the Sun, and that its distance is 21.0 ly. Find the intensity of the starlight at the Earth
An object is located 55 centimeter from a concave mirror of focal length 96 centimeter. The object is 6.7 centimeter tall. Evaluate how tall is the image
A battery-powered toy car pushes a stuffed rabbit across the floor. Draw a free body diagram for a car (assume it is moving from left to right).
Find the Hubble time in billions of years. One Mpc equals 3.26 million ly, or approximately 3 × 1019 km
Describe the basic concept behind transducers and then describe the functions specific to ultrasound transducers?
Water flows through a horizontal pipe of cross-sectional are 10 cm2 at a pressure of 0.25 atm. Find what is the pressure at the valve
the immediate cause of many deaths is ventricular fibrillation an uncoordinated quivering of the heart as opposed to
A diffraction pattern is produced on a screen 148 cm from a single slit, using monochromatic light of wavelength 480 nm. Calculate the slit width
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