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Physics
Physics
College
What is scintillator
Physics
High School
State Archimedes principle
Physics
High School
how do i solve this?
Physics
High School
A wombat runs south in a straight line with an average velocity of 5 m/s for 4minutes and then with an average velocity of 4 m/s for 3 minutes in the samedirection.What is the wombats total displacement? What is the average velocity during that time?
Physics
High School
Which characteristic accounts for the fact that red lights in dark rooms and DO NOT expose negatives during developing?
Physics
High School
An ambulance is currently traveling at 15m/s, and is accelerating with a constant acceleration of 5 m/s^2. The ambulance is attempting to pass a car that is moving at a constant velocity of 30m/s. How far must the ambulance travel until it matches the cars velocity?
Physics
High School
Bob the American has just driven his car across the Canadian border when he sees aspeed limit sign of 85 kilometers/hour. His speedometer only shows his speed inmiles/hour. Convert the kilometers to miles so that Bob doesn't get a speeding ticket.(Conversions: 1 mile = 5280 ft; 1 foot = 12 in.; 1 inch = 2.54 cm
Physics
College
9. Which arrow or arrows indicate a process that cycles carbon fromliving or nonliving organisms? Describe the process or processesyou selected. Arrow |10. Which arrow or arrows represent reactions that demonstrate aconservation of mass and energy? Explain your answer.
Physics
College
Which type of bond and how many bonds would occur as carbon dioxide (CO2) is formed from carbon in Group IVA and oxygen in Group VIA? A. Three metallic bonds B. two ionic bonds C. One covalent bondD. Four covalent bonds
Physics
College
why is it important for heat sinks to be made of metal and have a large surface area?
Physics
College
Which describes a difference between solar wind and a geomagnetic storm? Select the three correct answers. (2 points)Solar wind sometimes results in geomagnetic storms, geomagnetic storms do not cause solar wind.Geomagnetic storms travel at the speed of light, while solar wind takes four days to reach Earth.Geomagnetic storms occur only occasionally, solar wind is constant.Geomagnetic storms are associated with CMEs, solar wind is associated with the constant activity in the sunGeomagnetic storms are constant, solar wind occurs only occasionally.
Physics
High School
Every action force has an opposite and equal reaction force. Determine which of these are action/reaction pairs. Check all that apply.
Physics
High School
Why is the sun considerad as the main source of energy?
Physics
High School
what's is meant by relative motion?
Physics
College
Explain the term majority and minority carriers of a material with respect to the acceptor and donor impurity.
Physics
High School
A car has steady speed of 8m/s .How long does the car take to travel 160m
Physics
High School
how do you calculate the numerical value of physical quantity
Physics
High School
iii A load of 2.5 N is hung on the spring.1. What does the letter N stand for?[1]2. Use the graph to estimate the overall length in mm of the spring when 2.5 N is hanging from it. [2][Cambridge IGCSE Physics 0625/22 Question 2, October/November, 2010)
Physics
College
Scientists use models to represent physical situations that are difficult to explorefirsthand.TrueFalse
Physics
High School
Compare and contrast scientific inquiry "skill and process".
Physics
High School
Define upstroke and downstroke?
Physics
High School
Physical Science Essential Question: How can the scientific process be used to help us investigate and understand natural phenomena? Elaborate: Challenge students to pretend they are on the scientific journey to develop a vaccine to stop the zombie apocalypse and they need to design an experiment as a result of working in a laboratory. Ask the students to write 2-3 paragraphs describing what they would test and why might this be important in science and the real world. They might need to include the following terms: Experimental design Test variable Outcome Control variable Hypothesis Testable Graphs and charts
Physics
College
When astronauts get on a rocket and go outside Earth they float because gravity is affected by this
Physics
College
A:10i - 2j -4k and B: i +7j - k. Determine |A-B|
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