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When Neil Armstrong climbed down to the surface of the Moon via the 3.5-m tall ladder of the Lunar Lander, his potential energy changed by 1260 J. If his mass was 79 kg, what was the mass of his suit? The acceleration due to gravity on the moon is 1.62 m/s2.
In this simulation you can choose between seven possible circuits by clicking on one of the small circuit diagrams shown at the upper right. What is the maximum possible total current that can be obtained in this simulation
A ball of mass 0.113 kg is dropped from a height of 1.92m above ground. The acceleration of gravity is 9.8m/s^2.Neglecting air resistance find the speed of the ball when it is at a height of 0.812 m above the ground. Answer in units of m/s.
Two identical conducting spheres, fixed in place, attract each other with a force of 0.094 N when their center to center separation is 60.00 cm. What was the initial negative charge on one of the spheres
A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 27.8 dB. What is the intensity delivered to the eardrum
A copper ball with a diameter of 5.00 cm is subjected to a pressure of 2.50 × 106 Pa. What is the change in the volume
Specific volume [ft^3/lbm] at the final state of tank
The temperature of 2.00 moles of argon gas is lowered from 2.80 x 10^2 K to 1.90 x 10^2 K. Find the change in the average kinetic energy per atom.
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
A belt wraps around a pulley of radius 7.3 cm that drives the compressor of an automobile air conditioner. How much work is done by the belt on the compressor during one revolution of the pulley
The two springs each have a spring constant of 11. They are stretched by 1 as a current passes through the wire. How big is the current.
consider a tiny grain 1 um in diameter of neutrally-buoyant ps pw material asnbspit undergoes brownian motion.how long
A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V?
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