Question c: Force of Friction vs Normal Force of a Ballet Slipper on Concrete and Ice Force of Friction (N) 8 6 4 1.96 2 0.49 6 8 3.92 0.98 10 12 14 Normal Force (N) 5.88 1.47 16 18 1.96 Based on the graph above, does the slope have a unit of measurement? Explain. Type response here... Concr Ice

Q: Consider FIG-DD in the appendix.   Note: For Blocks “A” & “B” & “C”: The mass of “A” is 30 kg.

A:

Q: (a) What is the volume (in km3 ) of Avogadro’s number of sand grains if each grain is a cube and has…

A: Given: The side of the sand grain is l=1 mm. The width of the beach is w=100 m. The depth of the…

Q: and electrocardiogram is recoreed on mm-grid chart paper moving at a speed of 25mm/s. If the…

A: GivenChart paper moving at speed =25 mm/sDistance between each heart beat=20 mm

Q: Solve only (d) part

A: Volume =πr²h=πD²h/4

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A: Given: To explain the reverse of an inequality symbol if multiplies on the both sides of an…

Q: In the following problem I am asked to calculate a volume respecting the rules of significant…

A: Given: volumeV=43πR3R=4.5 cm To Find: Volume respecting the rules of significant figures.

Q: (a) Find the average rate of change of the area of a circle with respect to its radius r as r…

A:

Q: As an agricultural engineer, you must design a trapezoidal open channel to carry irrigation water…

A: Given Cross-sectional area A = 55 m2 Determine the optimal dimensions to minimize the wetted…

Q: The amount of heat needed to reduce the temperature of 1.5 kg of snow from -15 degrees Celsius to -5…

A:

Q: Calculate how many litters of gasoline are used in the USA in one day? Assume that there are two…

A:

Q: Problem 1.9. What is the volume of one mole of air, at room temperature and 1 atm pressure?

A: number of moles ( n ) = 1  Pressure ( P ) = 1 atm Room temperature ( T ) = 25 degree Celsius or T =…

Q: Can anybody tell me about the ending 0 in these numbers, why we include it in determiining "sig…

A: In 0.0210, the number of significant digits is 2. Because of the zero on the right side of the…

Q: A pyramid has a square base of side x and height h. The volume V of the pyramid is given by the…

A: We are given volume of pyramid. We are given uncertainty in height. We are also given uncertainty in…

Q: Solve the inequality, and express the solutions in terms of intervals whenever possible

A: Given: To find the speed with the values as, M=-130v2 +52v, 0<v<70

Q: The active area of the processor found in some smartphones has the equivalent of about 2.0 billion…

A: Given : Number of transistors , N = 2 Billion = 2× 109  Dimensions of Integrated circuit = 9.3 mm ×…

Q: a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a…

A: the details about the above condition have been described in the image below. Please read it…

Q: b) The answer provided said it was incorrect, and it is 10% close to the right answer

A: Solution b)t=8*10-6 sR=1.19*103 ohmq0=5.3*10-6 CC= 2*10-9 F--Charge after time t,

Q: The amount of heat needed to reduce the temperature of 1.5 kg of water from 5°C to 15°C is (note…

A: The initial temperature is T1 = 5 C The final temperature is T2 = 15 C mass of water m = 1.5 Kg…

Q: In physics labs, explain why we insist on getting our final results from the slope of a graph,…

A: If there are two variable and relation between them is like, y = mx + c then if we plot the graph…

Q: Calculate the volume of a box in cubic meters, if the sides are: 48 cm, 40 cm, and 25 cm. Your…

A: V = l×b×h

Q: A train running at 60 kph decelerates at 2 m/min2 for 14 minutes. Find the distance travelled, in…

A: Given Initial speed is given as v0=60 km/h=60 km1 h×1000 m1 km×1 h60 min×1 min60 s=16.67 m/s…

Q: This answer includes t which is not a variable provided, please answer in terms of the specified…

A: Given : B=B0 sin(wt) To calculate emf in terms of given variables.

Q: a student decides to run an experiment to see how well a bean plant grows when given more less water…

A: Required : Dependent variable and independent variable and constant.

Q: Can you please write this in interval notation and explain how you got these answers?

A:

Q: (a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 2.38…

A: Given data:  Density of water (ρ) = 1 g/cm3  Time (t) = 10.8 h Volume of water (V) = 99.0 m3…

Q: A mixture of 50% alcohol and 50% water has 4 liters of water added to it. It is now 25% alcohol.…

A: See below

Q: takes 13.9 hours to drain a container of 91.3 m³ of water. What is the "mass flow rate," of water…

A: a) each cubic centimeter of water has a mass = 1 g that is density = ρ= 1g1cm3= 1gcm3 = 1000 kg/m3…

Q: (a) What is the volume (in km3) of Avogadro’s number of sand grains if each grain is a cube and has…

A: The side of the sand grain, l=1 mm=1×10-3 m   The width of the beach, b=100 m   The depth of the…

Q: What would be the magnitude of the blocks mA and mC if a=y=40. Express it in terms of mass of B (mB)

A: Given, α=γ=40° Equating the forces in the horizontal and vertical direction at the suspension point…

Q: Using the formula for the sum ot 11 E, 2i = i=1 E, 2i = 11 i=3 E (2i + 3) = 11

A: Given: ∑i=1112i∑i=3112i∑i=1112i+3

Q: (True or False) The slope of a graph has units of vertical units divided by horizontal units…

A: Answer: True Explanation: The slope of the graph is, Therefore the unit of rise is the unit of the…

Q: Do random errors contribute to % error and/or standard deviation? Why?

A: Random errors are inherent fluctuations in experimental measurements caused by various unpredictable…

Q: Milk is often sold by the gallon in plastic containers. (a) Estimate the number of gallons of milk…

A:

Q: Find the least count of a milliammeter in which there are 20 divisions between 400mA and 500mA.

A: The Least count = range/no.of divisions No. of divisions = 20

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.