The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy, is nuclear __ Fusion Fission Radiation Energy
Respond to the following based on your reading. 6. Stars are classified according to their temperature and luminosity. Using the Hertzsprung-Russel diagram compare and contrast white dwarfs with super giants. square
Which type of energy is associated with motion? electrical kinetic potential chemical
Heat can be transferred in at least 3 ways. Which is NOT a way that heat can be transferred? Conduction Reflection Radiation Convection
Which is not a form of ionizing radiation? ultraviolet light gamma rays D X-rays infrared light
Respond to the following based on your reading. 6. Briefly explain why the moon doesn't have an atmosphere or plate tectonic activity. square
Which of the following photons has the highest energy? a) a photon with lambda =647nm b) a photon with lambda =633pm c) a photon with lambda =1.064mu m d) a photon with v=1.55times 10^15Hz e) a photon with v=5.83times 10^14Hz
Complete the following statement: In Charles's law the volume of a gas __ when the __ decreases. increases pressure decreases,temperature increases,temperature increases quantity of gas decreases,pressure
A radioactive isotope has a half-life of 1 billion years. A rock originally contained 50 grams of radioactive isotope, and now contains 6.25 grams. Approximately how many years old is the rock? 125,000 years 2 billion years 3 billon years 125 million years 8 billion years
Your vehicle must have a horn which can be heard from a distance of __ feet. 400 500 200 300
Which statement about temperature is correct? Temperature can measure the kinetic energy between two objects. Temperature can measure the heat movement between two objects. Temperature can measure the potential energy between two objects. Temperature can measure the mass transfer between two objects.
Reasoning:Explain how energy is transferred through the water.
What happens to an object when it absorbs light? A. It gets colder B. It gets warmer C. It changes material D. It becomes transparent
What happens to the total momentum of two objects after a collision? It remains the same It decreases It becomes zero It increases
14. What is the net force acting upon an object which is subjected to the following forces? 3 Newtons South 3 Newtons North 5 Newtons East 7 Newtons West 2 Newtons West 18 Newtons North 6 Newtons West 18 Newtons South
You should write the definition of the key vocabulary down here. Balanced forces Unbalanced forces Equilibrium Constant velocity Force Net force Mass Inertia Acceleration Directly proportional Inversely proportional Newton's 1st law of motion Newton's 2nd law of motion Newton's 3rd law of motion Weight
18. A force $F(x)=10x(inN)$ acts over a displacement from $x=0$ to $x=3$ m. What is the work done?
17. How much power is exerted when you lift a 60-kg rock to a height of 25 m in 30 seconds?
A 60 kg sprinter is running at a velocity of $8m/s$ during a race Calculate the sprinter's kinetic energy. 240J 480 J 3,480J 1,920 J
When using a megger to check insulation resistance to ground, which of the following would be an acceptable minimum resistance? a. $1K\Omega $ b. $5K\Omega $ c. $1M\Omega $ d. $25\Omega $
