Questions in Physics

which of the following is a form of mechanical energy

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Which of the following is a form of mechanical energy? a. internal energy c. gravitational potential energy b. chemical potential energy d. electrical energy
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what should you do as you approach a yield sign

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When you approach a yield sign, while trying to enter or merge onto another road, traffic already on that road has the right of way. true or false.?
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what is a possible cost of using nonrenewable energy resources

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What is a possible cost of using nonrenewable energy resources? A.Costs more money B.Less water pollution C.Sustainable energy D.Greenhouse gases
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what will the frequency be if the inductance is quadrupled

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An lc circuit oscillates at a frequency of 2000 Hz. What will the frequency be if the inductance is quadrupled?
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two cannonballs a and b are fired from the ground

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Two cannonballs are dropped from a second-floor physics lab at height h above the ground. Ball B has four times the mass of ball A. When the balls pass the …
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how long would it take to walk 2 000 miles

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How long does it take to walk 2000 miles?
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what is the ratio of mass a to mass b

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A constant force applied to object A causes it to accelerate at 5 m/s2. The same force applied to object B causes an acceleration of 3 m/s2. Applied to object …
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what aspects of bone's structure make it stronger than concrete

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What aspects of bone’s structure make it stronger than concrete? think about the engineering design of bone. use the terms tensile strength and compressional strength in your answer?
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which food item is used in the production of dynamite

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Which food item is used in the production of dynamite?
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how far must you stay from a diver down flag

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If you see a displayed diver-down flag while boating, how far away from the flag must you stay?
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a baseball is seen to pass upward by a window

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A baseball is seen to pass upward by a window with a vertical speed of 13 m/s . The ball was thrown by a person 19 m below on the …
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an object is moving to the right with speed vi

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An object is is moving at the right with speed vi when a force of magnitude F is exerted on it.  in which of the following situation is the …
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a golfer hits a ball at an angle of 25

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A golfer hits a golf ball at an angle of 25.0° to the ground. if the golf ball covers a horizontal distance of 301.5 m, what is the ballâs maximum …
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all of the following are functions of the dermis except

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which are functions of the skin? check all that apply. helps control body temperature moves parts of the body serves as a barrier of protection releases waste materials produces vitamin …
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imagine that you are standing on a horizontal rotating platform

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Three people are standing on a horizontally rotating platform in an amusement park. One person is almost at the edge, the second one is (3/5)R from the center, and the …
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what type of magnetism is present in a bar magnet

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What type of magnetism is present in a bar magnet?
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choose the correct motion diagram completed by adding acceleration vectors

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Which choice is a valid way to construct a motion diagram? Question 8 options: Add together the average speeds of the various objects in motion. Take a series of photographs …
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a free negative charge released in an electric field will

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If a negative charge is released in a uniform electric field, it will move A. from low to high potnetial B. in ciruclar motion C. in the direction of the …
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which argument best explains the charge of an atomic nucleus

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Which argument best explains the charge of an atomic nucleus? An atomic nucleus is positively charged because it is composed of neutrons. An atomic nucleus is positively charged because it …
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how many ounces are in a scoop of ice cream

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Ice cream usually comes in 1.5 quart boxes (48 fluid ounces), and ice cream scoops hold about 2 ounces. However, there is some variability in the amount of ice cream …
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jeevandeep health and physical education std 10 answers pdf

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the african cicada is the world's loudest insect, producing a sound intensity level of 107 db at a distance of 0.50 m. what is the intensity of its sound (in w/m2) as heard by someone standing 3.1 m away? express your answer in watts per meter squared.

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calculate the total mass of these letters in grams (mxe=131.29amu).

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uncertainty of a caliper

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earth has a mass of 5.97 x 1024 kg and a radius of 6.38 x 106 m, while saturn has a mass of 5.68 x 1026 kg and a radius of 6.03 x 107 m. find the weight of a 65.0 kg person at the following locations? a) on the surface of the earth. b) 1000 km above the surface of earth. c) on the surface of saturn. d) 1000 km above the surface of saturn.

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a kiddie roller coaster car has a mass 100 kilograms

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at approximately what frequency do most people perceive the least intense sounds?

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a running mountain lion can make a leap 10.0 m long, reaching a maximum height of 3.0 m.

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a 2.50 kg mass is pushed against a horizontal spring

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which of the following diagrams involves a virtual image?

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a hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. the total electrical energy used by the dryer during this time interval is

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simon is riding a bike at 12 km h

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