Wig: paintings on coffins show the person wearing a wig, which they often did in real life.  What were wigs made of?

Q: 63. mmh A thin rod has a length of 0.25 m and rotates in a circle on a fric- tionless tabletop. The…

A: Solution: Given: L = length of rod = 0.25 m ω1 = initial angular velocity of rod = 0.32 rad/s I1 =…

Q: True or False? As mass of a substance increases, the density increases? Explain.

A: True Reason According to the statement if mass of the object increases then its density increases.…

Q: The formula for the volume of a cube is y = L³. The side length of a cube is increased by 14.9%.…

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Q: E. coli cell in 1/10 of a second. If the length of an E. coli cell is 1500 nm, how fast does the…

A: The objective of the question is to find out the speed of a water molecule in miles per hour (mph)…

Q: In the equation P₁=P2+pgh, where the p is technically the Greek letter "rho", the p represents what…

A: Pressure exert by a fluid is equal to  P  =  rho * g * h  where rho is the density of fluid  g is…

Q: What is the distance from the center of Mars to the surface where a 91.0 kg Astronaut is standing…

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Q: can you please solve this problem in a piece of paper instead of typing it on the computer. i…

A: Determine the spring constant.

Q: After Moe hits Curly on the head with a hammer Curly retaliates by firing a dart at him with a…

A: Given, Mass of dart = 15 gspring constant of spring, k= 22 N/cmx= 3 cmθ= 19°y=-1.4 m

Q: vater and you would like to place Determine the weight of water you will be placing in the aquarium.…

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Q: 3. An astronaut is standing on an unknown planet. If he estimates the planet is 2.505 x 10°m in…

A: The acceleration due to gravity on the planet with mass M and radius R is given by Where G =…

Q: 14. 5 kg of liquid seawater with initial temperature 0°C and salinity 3 percent (by mass) is mixed…

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Q: uniform silver sphere and a uniform gold sphere have the same mass. What is the ratio of the radius…

A: Volume of sphere = (4/3) π r3  density of gold =19,300 kg/m3  density of silver = 10 490 kg/m3

Q: You have an aquarium which holds 9.45 gallons of water and you would like to place it on an antique…

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Q: A bioengineer spreads 5 mL of oil onto the surface of a table and observes that the oil covers an…

A: We know that  Volume=Area×Height Given volume of oil is 5mL= 5x10-6 m3 Given area of table is…

Q: Scenario: Claire is shown two mystery boxes that are both 8,000 cm . Her teacher tells her that one…

A: Given: Volume of both boxes, V = 8000 cm3 One box is filled with rock other with napkins.

Q: If a pirate has a treasure chest with a mass of 20 kg and dimensions of 40 cm x 30 cm x 25 cm, what…

A: Mass, m = 20 kg = 20000 gDimensions of 40 cm x 30 cm x 25 cm.Density is to be calculated.

Q: 5. You are a passenger on a spacecraft. For your survivaland comfort, the interior contains air just…

A: (a)The interior of spacecraft contains air just like that at the surface of earth , so the pressure…

Q: UPS ships a lot of boxes. There are different ways to measure how big is a box. For the following…

A: Given Dimensions of box 1 is 18"×24"×12"  weigh of box 1 is 7.7 lbsDimensions of box 2 is 24"×36"×6"…

Q: As an architect, you are designing a new house. A window has a height between 130 cm and 140 cm and…

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Q: Some possibly useful numbers = 8.99 x 10° N m2/C2 €0 = 8.85 x 10-12C²/Nm2 4TEO %3D = 10-7Tm/A e =…

A: a) Req = R1 +(R2R3/R2+R3)  Req = 500 Ohm + (1000/2) = 1000 Ohm  b) current through R1  I1 = 9/1000 =…

Q: Calculate the coefficient of restitution e for each of the collisions observed. Use the average…

A: The coefficient of restitution is given by the ratio of speeds of a freely falling body from when it…

Q: 73. ssm A rotating door is made from four rectangular sections, as indicated in the draw- ing. The…

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Q: 32. A clay vase on a potter's wheel experiences an angular acceleration of 8.00 rad/s² due to the…

A: Given data:  The angular acceleration (α) = 8.00 rad/s2 Net torque (τ) = 10.0 N.m Required: The…

Q: Christian Huygens in the 1600’s invented the first clock which was small enough to fit in an…

A: Introduction: Huygens made various inventions, including the pendulum clock, which he believed could…

Q: A dieter is losing weight! After the first week on the diet she lost 5.5% of her initial weight. She…

A: Let us analyze the problem and mathematically model the situation. The given situation is that she…