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Nuclear fusion, the energy source of the Sun, hydrogen bombs, and fusion reactors, occurs much more readily when the average kinetic energy of the atoms is high-that is, at high temperatures. Suppose you want the atoms in your fusion experiment to have average kinetic energies of 6.4 x 10^-14 J. What temperature is needed?
q1. what current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length
You are designing the section of a roller coaster ride. Previous sections of the ride give the train a speed of 14.9 m/s at the top of the incline, find the minimum radius you can use for the vertical loop
At what angular velocity in rpm will the peak voltage of a generator be 468 V, if its 550-turn, 4.04 cm diameter coil rotates in a 0.246 T field?
A supertanker (mass 1.70 x 10^8 kg) is moving with a constant velocity. Its engines generate a forward thrust of 7.40 X 10^5 N. Determine a) the magnitude of the resistive force exerted on the tanker by water and b) the magnitude of the upward buoyan..
The outer surface of a skier's clothes of emissivity 0.700 is at a temperature of 7.40° C. Find the rate of radiation if the skier has a surface area of 1.50 m2
When a nucleus captures a slow neutron itmust bring the neutron to a stop within the diameter of the nucleusby means of the strong force. Suppose a stray neutron has the speedof 1400 km/s and is barely captured by a nucleus with a diameterd=1.0X10..
radiocarbon is produced in the atmosphere as a result ofa.collision between fast neutrons and nitrogen nuclei present
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
A baseball coach shouts loudly at an umpire standing 3.8 meters away. If the sound power produced by the coach is 2.2 × 10?3 W, what is the intensity of the sound when it reaches the umpire? Answer in units of W/m2.
A 1400 kg car enters a passing zone and accelerates from70km/h to 95 km/h to pass a slower car. How much work must be done on the car
A wheel of radius 1.5m rotates at a constant angular velocity. A point at the edge of the wheel experiences centripetal acceleration of 1.2m/s^2. What is the linear speed of that point
The 0.0030 Joule of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 millimeter apart. Find the electric field energy density between the plates
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