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Ultimate Physics Study Guide - Questions & Answers
Physics
High School
What will happen to the volume of the gas when the temperature is increased? Explain your answercan I have a short answer that explains everything cause my teacher hates me so much lol
Physics
College
Help solve these two problems im having trouble trying to start these problems?
Physics
High School
Which of the following describes the mass of an object precisely ? *2.34 kg2.345 kg 2 kg2.3 kg
Physics
High School
Whats a meandering stream?
Physics
High School
find the mass of a football player who's momentum is 630 kgm/s backward and. is traveling at 7 m/s.
Physics
College
2 forces are acting on a body. I forgot the body doesn't it's position or shape, the forces.......a)must be of equal magnitude b)must be parallel and opposite c)must add upto zero d)must be in a single line
Physics
High School
What defines an element?energy levelselectronsneutronsprotons
Physics
College
Suppose the angle of incidence of a light ray is 42.What is the angle of reflection?
Physics
College
1. Which of these is not a natural fibre?a. leatherb. juteC.Woold. cotton
Physics
College
How is the average American diet affected by our current food system?"
Physics
College
until a train is a safe distance from the station, it must travel at 5 m/s. once the train is on open track, it can speed up to 45m/s. if it takes 8 seconds to reach 4 m/s, what is the acceleration of the train?
Physics
High School
An inclined plane of length 12m is used to pull a load of 3000N to height of 3m by applying an effort of 1000N. Calculate its MA, VR and efficiency. Also, find the work done in the machine
Physics
High School
A ball is thrown horizontally from the top ofa building 51 m high. The ball strikes theground at a point 120 m from the base of thebuilding.The acceleration of gravity is 9.8 m/s2.Find the time the ball is in motion.Answer in units of s.If the time the ball is in motion is 3.22617 sFind the initial velocity of the ball.Answer in units of m/s.
Physics
College
What is the speed of a wave that has a frequency of 2,400 Hz and a wavelength of 0.75
Physics
College
6) The magnitude of the force the Sun exerts on Uranus is 1.41 x 1021 newtons. Explain how it is possible for the Sun to exert agreater force on Uranus than Neptune exerts on Uranus.
Physics
High School
Which value is NOT equivalent to the others?Multiple choice question.A)5 1011 nmB)0.5 kmC)500 mD)5000 cm
Physics
College
true or false- When an atom's charge is balanced, the amount of negative charge equals the amount of neutral charge.
Physics
High School
PLZ HELP DUE IN 5MINUTES
Physics
High School
When this occurs, which type of tissue does the acid remove?
Physics
College
A truck is speeding up as it travels on an interstate. The truck's momentum (in kg m/s) is proportional to the truck's speed (in m/s).At some moment the truck's momentum is 50600 kg m/s and the truck's speed is 23 m/s. At this moment, the truck's momentum (in kg m/s) is how many times as large as the truck's speed (in m/s)?IncorrectThis means that as the truck travels, the truck's momentum (in kg m/s) is always Incorrect times as large as the truck's speed (in m/s).If the truck is traveling at 16 m/s, what is the truck's momentum?
Physics
College
Omar observes that many buildings in his city were built using limestone. He has read that acid rain can damage limestone. He also knows that limestone reacts with acids and that chemical reactions are affected by temperature. With this in mind, he conducts an investigation to see how the amount of damage to the limestone is affected by the amount of acid on the stone.Which statement describes the correct plan for his procedure?Rhonda watched a video taken by a camera that was lifted into the upper atmosphere by a weather balloon. She saw the balloon pop when it reached a certain height. Afterward, Rhonda wondered what effect the air pressure at high altitudes has on the volume of gas in balloons.What scientific practice is Rhonda performing
Physics
High School
The MSDS for chloroform indicates that it is a clear liquid that has a pleasant smell and substantial vapor pressure. People should avoid inhaling its vapors, and it is sensitive to light. Malik needs 10 mls of chloroform for an experiment.According to this information, how should he safely pour the chloroform?He should locate the chloroform stored in a transparent container in chemical storage and pour directly into his beaker from that location.He should locate the chloroform stored in a transparent container in chemical storage and should take it to the fume hood to pour.He should locate the chloroform stored in a dark container in chemical storage and should take it to the fume hood to pour.He should locate the chloroform stored in a dark container in chemical storage and pour directly into his beaker from that location.
Physics
High School
Tim Kylie is one of the world's top chefs. He is best known for his signature dish, triple-dipped chip steak. This masterpiece contains over a pound of beef braised in duck fat. Another of Chef Kylie's more celebrated dishes is the Hamslaughter Supreme. This dish features ham stuffed sausage links presented in a basket made of braided bacon. While carnivores around the world roar for Chef Kylie's creations, it is unlikely that Chef Kylie will dine with them. As a longtime vegan, Chef Kylie would never dream of devouring one of his own dishes. What type of irony? explain your answer
Physics
College
The earth has a net electric charge that causes a field at points near its surface equal to 150 N/C and directed in toward the center of the earth. (a) What magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earths electric field? (b) What would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? Is use of the earths electric field a feasible means of flight? Why or why not?
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