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The nucleus of 8Be, which consists of 4 neutrons and 4 protons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons).
(a) Evaluate the force between the two alpha particles when they are 6.80 x 10-15 meter apart?
(b) Find the initial magnitude of the acceleration of the alpha particles due to this force?
a 100v dc battery, a resistor and a capacitor are connected in series. The capacitor is initially uncharged. estimate the capacitance of the capacitor
A block of mass = 2.9 is attached to a string that is wrapped around the circumference of a wheel of radius = 8.3. Find the moment of inertia of the wheel
A glass sheet 1.40 ?m (micrometer) thick is suspended in air. In reflected light, there are gaps in the visible spectrum at 538 nm and 615.00 nm.
Two planets are orbiting a star in a distant galaxy. The first hasa semimajor axis of 150 × 106 km, an eccentricity of 0.20,and a period of 1.0 Earth years. The second has a semi major axis of 250 × 106 km, an eccentricity of 0.30, and a period of..
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump
A firm wants to determine the amount of frictional torque in their current line of grindstones, so they can redesign them to be more energy efficient. What is the frictional torque exerted on the grindstone
A machinist with normal vision has a near point at 25 centimeter. With these eyeglasses, find the near point of the machinist
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
The inlet pipe has a diameter of 1.95 cm and is 2.07 m above the bottom of the tank. The outlet pipe has a diameter of 4.81 cm and is 4.39 m above the bottom of the tank.
combining conservation law a 15.0kg block is attached to a very light horizontal spring of force constant 500.0nm and
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
a certain orthodontist uses a wire brace to align a patients crooked tooth as in the figure below. the tension in the
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