Explore BrainMass

Explore BrainMass

    Solar System

    BrainMass Solutions Available for Instant Download

    Pressures for Stable Phases

    Calcium carbonate, CaCO_3, has two common crystalline forms, calcite and aragonite. Calcite, unlike aragonite, is stable at earth's surface. Calculate the pressure (at room temperature) at which the other phase should become stable.

    Angle Subtended by Sun and Moon at Earth & Angular Velocity

    The moon has a diameter of 3.48 x 10^6 m and is a distance of 3.85 x 10^8m from the earth. The sun has a diameter of 1.39 x 10^9 m and is 1.50 x 10^11 m from the earth. (a.) What are the angles (in radians) subtended by the moon and the sun, as measured by a person standing on the earth. (b.) Based on the answers to part (a.), i

    Planetary data

    Main diameter Distance from Mass acceleration escape orbital # of object (miles or the sun AU (earth=1) of gravity(g) velocity period moons Km) Miles/Km (m/sec2) (Km/sec) (days/yrs) 1. the sun

    Electromagnetic Theory - Relativity

    Two cultures of a certain bacteria each consist initially of just one bacterium. This strain of bacteria is known to double in number every 24 hours. One culture is left on earth and the other is placed on a rocket that travels at 13/15 c relative to Earth. At a time when the culture on earth has grown to 256 bacteria, how many

    Simple Harmonic Motion: Key Informaiton

    A hole is drilled straight through the center of the earth and a particle is dropped into the hole. Neglect rotational effects: a) Show that the particle's motion, assuming that earth's gravity acts from the exact center of the earth, is simple harmonic motion. b) Calculate the Period of oscillation

    A simple pendulum and its period in different planets

    When the mass is moved a small distance away from its equilibrium point (the bottom of the arc), the mass will swing back and forth in a constant amount of time called the period. One period is the amount of time required for the mass to swing all the way to the other side and then swing back to its staring point. we are maki

    Given the spectral irradiance by the sun as measured at upper levels of the atmosphere, what is the solar radiance measured at the same place? How much optical power could you collect with 1m^2 solar panel that is equally sensitive from 0.4um to 1.0um?

    Given the spectral irradiance by the sun as measured at upper levels of the atmosphere, what is the solar radiance measured at the same place? How much optical power could you collect with 1m^2 solar panel that is equally sensitive from 0.4um to 1.0um? See attached file for full problem description including diagram.

    Problems on relativity

    9-The Tevatron accelerator at the Fermi National Accelerator Laboratory (Fermilab) outside Chicago actually consists of 5 stages to sequentially boost protons to 1 TeV (1000 GeV). What is the speed of the proton at the end of each stage? Note: the numbers given in parentheses represent the total kinetic energy at the end of each

    A Rocket's Kinetic Energy and Maximum Height

    A 150.0-kg rocket moving radially outward from Earth has a speed of 3.70 km/s when its engine shuts off 200 km above Earth's surface. a) Assuming negligible air drag, find the rocket's kinetic energy when the rocket is 1000 km above Earth's surface. b) What maximum height above the surface is reached by the rocket?

    distance from the seismograph to the location of earthquake

    When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P wave has a speed of about 8 km/s and the secondary wave, or S wave has a speed of about 4.5 km/s. A seismograph, located some distance away, records the arrival of the P wave, then 78 s later, records the arrival of

    Gravitation: Force, central force and distance of closest approach.

    3.) consider an object of mass m, moving in a circular orbit, subject to a central attractive for e whose magnitude is given by F(r) = h/r^3. a. what are the dimensions of h? b. show that the angular momentum for the motion is uniquely determined by h and m. c. what is the resulting relation b/t period and radius analogous to Ke

    Vertical linear Motion Problem for conceptual understanding of vertical motion.

    This is an An interesting problem to understand the vertical upward or downward motion conceptualy. Do you know how to apply kinematical equations to the vertical motion? Are you sared of solving tough problems on kinematical euqaions of motion? Don't worry, solving one such problem or properly understanding its solution will de

    Motion

    (See attached file for full problem description) Please do all problems step by step showing all math used and the equations. ANswers are given, but need to see how got answer. Skip the questions that given a sentence answer. Just do the math questions. Adult here doing his best to get this material. Thanks! 25. At ti

    Net force exerted on the Earth by the Moon and Sun

    When the Earth, Moon, and Sun for a right triangle with the Earth located at the right angle, the moon is approaching the third quarter. (Earth is viewed here from above its north pole). Find the magnitude and direction of the net force exerted on the Earth.

    Spherical capacitor: Equivalent parallel plate capacitor

    Derive an expression for capacitance of spherical capacitor (inner and outer radii are R1 and R2 respectively) and show that in case of small distance between spheres (R1 ≈ R2) capacitance can be calculated using the expression for parallel plate capacitor.

    Physics: Protons, Speed, Clocks

    1. Suppose we accelerate a proton so that its kinetic energy is equal to its mass energy. What is the speed of such a proton? NOTE: you do not have to know the mass of the proton to do this problem: it would be the same for any particle. 2. Spaceman Spiff passes the earth on his way to Mars. His thruster control is stuck and

    The Electromagnetic Spectrum: Sunlight Intensity

    What is the ratio of the sunlight intensity reaching Uranus compared with the sunlight intensity reaching Earth? (On average, Uranus's distance from the Sun is 19 times that of Earth's). ________ (intensity on Uranus / intensity on Earth).

    Conceptual physics newtons law of force

    1. Calculate the force of gravity between the earth (mass - 6.0 x 10 to the 24th kg) and the moon (mass = 7.4 x 10 to the 22 power kg) The average earth distance is 3.8 x 10 to the 8th power meters. 2. Calculate the force of gravity between a new born baby of mass 4 kg and the obstetrician of mass 75kg, who is 0.3 m from th

    Newton's Laws and Circular Motion

    A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a hollow transparent plastic sphere. After gaining sufficient speed, he travels in a vertical circle with a radius of 13.0 m. The physics major has a mass of 70.0 kg, and his motorcycle has a mass of 40.0 kg.

    Order-of-magnitude calculations

    1) If the entire population of the United States forms a human chain by holding hands, how many times can such a chain be wrapped around the earth's equator? Round your answer to the nearest integer. 2) How many times does your heart beat during your lifetime? Round the answer to the nearest power of 10 and then express you

    Surface area problem

    Question: Assuming that 68.6% of the earth's surface is covered with water at an average depth of 1.01 miles, estimate the mass of the water on earth in kg. Given the following: Density of water = 1000 kg/m^3 1 mile = 1.6093 km 1.01 miles = 1.6254 km Total surface area of earth = 509,600,000 km^2. Area of water =

    Relative Age of the Surface Area on MARS

    What principles would I need to use to determine the relative age of an area on the surface of Mars? What would the effect from cosmic-ray radiation have on an astronaut?

    Computing distance

    Background Information: A simple pendulum, such as a rock hanging from a piece of string or the inside of a grandfather clock, consists of a mass (the rock) and a support (the piece of string). When the mass is moved a small distance away from its equilibrium point (the bottom of the arc), the mass will swing back and forth

    Harmonic Motion and Time

    A certain pendulum clock that works perfectly on Earth is taken to the moon, where g= 1.63m/s2. The acceleration of gravity is 9.81 m/s2. The clock is started at 12:00 am and runs for 13 hours. What will be the reading for the hours in units of h, what will the reading be in minutes and what will be the reading be in secs?

    Harmonic Motion Pendulum Clocks

    A simple 2.05 pendulum clock that works perfectly on Earth is taken to the moon, where g= 1.63m/s2. The acceleration of gravity is 9.81 m/s2. The clock is started at 12:00 am and runs for 13 hours. What will be the reading for the hours in units of h, what will the reading be in minutes and what will be the reading be in secs

    Some Momentum Problems

    1) A 2698 kg pick-up truck driven by Ford Tuff has a velocity of 42.4 m/s east. What is the magnitude of the momentum of the truck in kg-m/s? 2) A 2198 kg police pursued van is driven by Chase Mee. The van exhibits a momentum of 3698 kg-m/s. What is the velocity of the van in m/s as it veers rightward into a guardrail? 3) Rock

    Car acceleration and net force

    1. Suppose a man pushes a small car on level ground. He pushes with a force of 400 N, and the 800kg car accelerates at a rate of 0.30 m/s2. (a) What is the net force on the car? (b) Draw a force diagram for the car, showing the force of pushing, the force of friction, and weight, and the upward (normal) force of the ground.