Consider the beam and weights shown. What approximate weight is needed at the arrow to balance the bar? Assume the beam has no mass. 4 0000 124N 15.5 N 12.4 kg 155 N 10 kg 6 kg 10 m 4m (click here to enlarge image) 8m ♫

Q: When asked about his thoughts on a new scientific hypothesis, Wolfgang Pauli once said: "That's not…

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Q: Prof. Chini's research group uses short bursts of laser light to measure the motion of electrons…

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Q: Using the image attached please calculate the uncertainty delta, the upper and lower limits of g.…

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Q: Oxygen Atoms in People. Figure 5.7 shows that oxygen makes up about 65% of the mass of a human…

A: The objective of this question is to estimate the number of oxygen atoms in a human body and compare…

Q: An ant is crawling along a straight wire, which we shall call the z axis, from A to B to C to D…

A: The motion of an ant along x-axis from  to  to  to .The point  is origin.The distances are as ,  and…

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A: The fundamental units are defined as the units which are used in the definition of the secondary…

Q: a. Compute a linear trend line for freight car loadings. (Use of Excel's Trendline, with display…

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Q: Enter the following expression in the answer box below: 2gλ3m−−−−√2gλ3m, where λλ is the lowercase…

A: The required expression to fill in the answer box is written below.

Q: What is the best concept in physics that can help you much in the future? And why?

A: Newton’s law of motion can help much in the future as every body tends to go in a stable position.…

Q: For this problem, time is given by the variable t, position by s, area by A, and volume by V.…

A: (a) The position of an object is increasing at a rate, dsdt=30 m/s (b) The area of an object is,…

Q: What are the 3 laws of physics?

A: We have to tell 3 basic laws of physics...

Q: Choose the best answer to the following: When you scale up an object to 3 times its linear size, the…

A: Surface area is proportional to the square of the radius.So it is increased by (3)2 = 9 times.

Q: You start out by driving 153 miles north in 4 hours and 38 minutes, and then you stop and park for a…

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Q: D Please write this number as a decimal:9.775x10-7 O 977,500,000 O 00000009775 0.0000009775 O…

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Q: Rank the measurements of surface area in order of the number of significant figures, from fewest to…

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Q: You start out by driving 293 miles north in 4 hours and 58 minutes, and then you stop and park for a…

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Q: Compare the following lengths using density calculations. Gold has a density of about 19.3 g/cm3.…

A: Mass = density × volume  M = d× V  V = M/d  L3 = M/d

Q: For a trip of 750 miles (in the United States), how many gallons of fuel does (a) the mistaken…

A: Given information, Fuel consumption in UK = 1 gallon per 40 miles 1 UK gallon = 4.5460900 liters 1…

Q: You start out by driving 152 miles south in 2 hours and 17 minutes, and then you stop and park for a…

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Q: what was the average speed in meters per second of a race car that travels once every 8 seconds…

A: The average speed of the car is, vavg=2πrT Here, r is the radius of the track and T is the time…

Q: What determines the validity of a theory?

A: The theory, which hold up by evidence and proved by many researchers. A theory is valid if it’s…

Q: Which S.I. units are the most fundamental? Identify them with their emblems and provide their full…

A: There are total seven most fundamental units in the S.I. system of units. Those 7 most fundamental…

Q: The closest star to Earth, after the Sun, is Proxima Centauri, which is just over 4 light years away…

A: We know that, the speed of light is 3 × 108 m/sec or         3 × 105 km/sec Given that, Proxima…

Q: Can a good scientific theory be good without much researched details and facts? If yes, can you give…

A: GivenCan a good scientific theory be good without much researched details and facts? If yes, can you…

Q: . Seth hiked 3.5 miles each hour. Ordered pairs were graphed of the total distance Seth hiked. The…

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Q: 0 IVE| ΑΣΦ Submit ▾ Part L Request Answer Submit Find the distance the ant moved over the interval…

A: Given AB = 44 cmBC = 20 cmAO = 4 cm

Q: Multiply the following BINARY NUMBERS 10101.1111 x 101.11 (Note: The problem should be solved in…

A: Given: Binary numbers are 10101.1111 and 101.11

Q: How many coordinate axes are usually used to describe three-dimensional space? What does the fourth…

A: In the three-dimensional space to locate the position of any particle in space, three coordinates…

Q: The radius of the earth is 6400 Km and the height of a person is 1.7m, how high can you stand to see…

A: Given: Radius of earth, RE=6400 km Height of person, 1.7m To Find: Height to see the Horizon

Q: (a) Graph the point in a polar coordinate system. (5, 1) 2 -2 -2 Convert the given polar coordinates…

A: Given  polar coordinates  required plotting of the polar coordinates and their conversion to…

Q: A square with an edge 8 cm long has an area of (8cm)(8cm) = 64 cm2. What is this area in square…

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Q: Is it possible to estimate data while looking at the larger picture? Is it possible for a student to…

A: Yes, it possible to estimate data while looking at the larger picture.Often done in statics and data…

Q: How many KILOMETERS (km) will a ship sail 14 hours a day for 3 weeks at a speed of 3 miles per hour?…

A: Given data:  Speed of the ship: v=3 miles/hNumber of hours sailed per day: nhpd=14 hours/dayNumber…

Q: Considering that you would stop to rest for 10 hours after every 11 hours of driving, if you can…

A: 10 hrs rest after every 11 hrs v=55mph D=2255 mile

Q: n day 5 of our trip we drove from Pompei to Vicenza in the north of Italy (440 miles, about 6 hours…

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