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Helium-3 (He3) has potential to be used as fuel in future nuclear fusion power plants. It would produce a clean fusion process, leaving little of the radioactive waste that plagues nuclear fission. But Helium-3 is found rarely on Earth and is therefore worth $16 million dollars per kilo. With prices like that, resource extraction on the Moon all of a sudden becomes a fairly reasonable economic activity to pursue. Several governments have subsequently signaled their intention to go to the Moon to mine helium-3 as a fuel supply.
Is this a potential and viable solution to our energy problems? What are the pros and cons?
At 17°C, a rod is exactly 18.91 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 240°C, What is the coefficient of thermal expansion for the material of which the rod is made
A 3 kg block slides with a speed of 1.1 m/s on a frictionless horizontal surface until it encounters a spring. What initial speed should the block have to compress the spring by 1.2 cm
An eagle is flying horizontally at 7.8 m/s with a fish in its claws. It accidentally drops the fish, How much time passes before the fish's speed doubles
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.128 rad/s2. After making 2680 revolutions, its angular speed is 124 rad/s.
A jetliner has a gross weight of 250,000 kilogram on its takeoff roll it accelerates from rest to 50 m/s in a distance of 3000 meter. Find the force of thrust of the aircraft's engines
A thin 3.00kg box rests on a 6.50kg board that hangs over the end of a table, as shown in the figure. How far can the center of the box be from the end of the table before the board begins to tilt?
An object is placed 24.0 cm to the left of a diverging lens(f = -5.89 cm). A concave mirror (f = 16.8 cm) isplaced 36.7 cm to the right of the lens to form an image of thefirst image formed by the lens. Find the final image distance,measured relative..
q1. a particle with a charge of q -5.50 nc is moving in a uniform magnetic field of vecb -1.28 t hatz. the magnetic
matrixed environment. What does that mean. How can we contend with the various stressors in such an environment. How do we manage expectations up for various projects.
Wrap a rubber band around your fingers. Pluck it a few times. Can you see and feel the vibrations? The harder you pluck the rubber band, the more it will vibrate, creating a louder sound.
A child starts from rest and slides without friction from a height of h = 9.6 m along a slide next to a pool. What is her maximum height above the water after leaving the slide?
A 200-turn rectangular coil having dimensions of 3.0 cm by 5.0 cm placed in a uniform magnetic field of magnitude 0.90T. Find the current in the coil if the maximum torque exerted on it by the magnetic field is 0.15 N.m
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