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A projectile is fired at an angle of 45 degrees from the top of a 165 m cliff with a speed of 175m/s. What will be its speed when it strikes the ground below.
Compared to an object in front of it, the image in a plane mirror is always: (a) smaller (b) virtual (c) three times far away (d) distorted (e) none of these.
We put a small ring of mass m on the long (infinite) string. The ring slides without friction. How does the ring move, when we send by a string the sine wave?
Illustrate that a reflection through the (100) plane followed by a non-primitive translation through [1/4,1/4,1/4].
Sketch the sixth-order Feynman diagram representing Delbruck scattering:
A horizontal seismometer consists of a pendulum of length "l" constrained to rotate about a nearly vertical axis.
Explain in detail the concept of center of mass of a system of bodies or a rigid body with solved examples.
What is the energy of the photon that, when absorbed by a hydrogen atom, could cause the following?
Determine the magnitude of the transverse component of the satellites velocity when r=20,000mi.(the radius of earth is 3960mi.)
Consider the model of an ideal gas, where every molecule has an additional vibrational degree of freedom, which can be described by an oscillator potential
Using this data, determine the distance of Halley's Comet from the sun at perihelion and at aphelion.
Describe the two physical processes that give rise to the production of X radaition when electrons bombard the target of a diagnostic x-ray tube
A satellite is placed in a circular orbit 600km above the surface of the earth. Find the period of the motion of this satellite.
A plane wave in incident upon single atom regular lattice. Calculate the scattered amplitude from all the atoms.
A compound of two elements crystallizes in crystal structure such that the atoms of type A are located at relative positions in the conventional cubic
A hydrogen atom when in its lowest energy state consists of a proton of charge +e and an electron of charge -e and mass 9.1x10-31 kg.
If the string can withstand a maximum tension of 77.1 N, what is the maximum tangential speed the ball can have before the string breaks?
The solar wind is a continuous stream of particles, mostly protons and electrons, moving away from the Sun.
Bragg's Law applies to a very particular diffraction geometry. Determine the condition for constructive interference for the following, more general
According to the Schrodinger atomic model, each quantum state of an atom or ion can be labelled using two quantum numbers n and l.
Prove that if G is a finite group of prime power order p^a, then the center Z(G) can not be the identity subgroup.
Express the ratio of cross sections of K^-p?pi^+ S^-,K^-p?pi^0 S^0, K^-pi?pi6- S^+ in terms of the isospin amplitudes A0, A1, A2.
The gravitation field produced by an object is defined as the gravitational force that the object exerts on a small test particle of mass m.
Through what potential difference would an electron have to be accelerated from rest to give it a de Broglie wavelength of 1.2 × 10^ -10 m?
What is the probability of finding the particle in the interval 0 less than or equal to x less than or equal to pi/2b?