An engineer is trying to determine the height from which she needs to release a 69kg wrecking ball such that the wrecking ball will be traveling 12.4m/s when it strikes the building at the position shown. Neglect drag. List the energy types at the initial and final time and whether work and loss (due to non-conservative forces) occur as well as the corresponding amounts of energy.

Q: 2. We normally use kilometer (SI unit) for distances rather than miles (English unit). If 1.0 mi is…

A: 1 mi = 1.609 km Population density = 119,600 per 1 sq mi We have to perform unit conversion.  per 1…

Q: An object is moving at a velocity of 2.38 km/s. Calculate the distance in miles traveled by the…

A: Write the given values with the suitable variables. v=2.38 km/st=12 hours=12×60×60 s=43200 s Here, v…

Q: Which of the following has the SI unit of m/s O a. (Acceleration x Volume) / (Velocity x Area) O b.…

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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: significant figures in :~ 1. 2.67×10^-7 2. 100.000 3. 1500000 4.

A: Significant figures are used to establish the number which is presented in the form of digits. These…

Q: I started hiking on a trail that was 10 kilometers long at a speed of 5 km/h. My brother walked in…

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Q: You start out by driving 148 miles north in 2 hours and 34 minutes, and then you stop and park for a…

A:

Q: The planet Jupiter has a mass of 1.9 × 1027 kg and a radius of 72,000 km. The Earth, meanwhile, has…

A: Mass of the Jupiter       Mj = 1.9 ×1027 kg   Radius of the Jupiter         Rj = 72,000 km Mass of…

Q: Convert centimeters to meters 72 cm 62 cm 71 cm 78 cm 81 cm 76 cm 83 cm 91…

A: Given values : 72 cm, 62 cm, 71 cm, 78 cm, 81 cm, 76 cm, 83 cm, 91 cmTo convert : the given values…

Q: The distance from Earth to the Moon is approximately 270,000 mi. The speed of light is 3.00 × 108…

A: Distance, d = 270,000 mi = 434522880 mSpeed, v = 3×108 m/sTime, t = ?

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: Sarah traveled 90 km at a certain speed. In going back, she increased her speed by 10 km/hr. If it…

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Q: I have a couple of follow up questions: 1) Is that 60k^  kgm^2/s, the SI unit for L 2) It wanted…

A: Given data: Mass of the object, m=2 kg Position vector, r→=6 i^+5t j^ m

Q: The speed of light is now defined to be c = 2.99792458 ✕ 108 m/s . Express the speed of light to…

A: The speed of light is given as c=2.99792458×108 m/s

Q: What is the length of the object in cm?

A: Required : The length of the object.

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: Why doesn't Earth's rotation provide a suitable time standard?

A: The earth's rotation serves as the foundation for time. Two things will have an impact on the…

Q: While you are traveling in Baliwag, a police officer pulls you over for speeding. The posted speed…

A: Given,  Speedometer's measures = 100 miles per hour We need to find, Speed in km/h =?

Q: 2.467 is still wrong for the magnitude

A: A→= 1.7 × 10^6 km B→ = 1.3 × 10^6 km at angle of 70° north of east

Q: A beam of light traveling through the air has a wavelength of ) = 501 nanometers. What is the…

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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: Determine moment of inertia I, of the region with respect to the y-axis.

A: Here is the explaination in the given image

Q: c. Below are data on the length and weight for the Blue Marlin [2]. Length (m) Weight (kg) Length…

A: The below is the MATLAB code for the given problem data.1clear; close all; clc; 2 3% Load data…

Q: The dwarf planet, Pluto, is 5.91 x 10^12 m from the sun. How many hours does it take light from the…

A: Given data:  Distance (d) = 5.91×1012 m 1 h = 3600 s Speed of light (v) = 3.00×108 m/s Required: The…

Q: nd the opening (2 mm from the light source), the illuminated area covers 4 m2m2. How many square…

A: Given:- A small light source located 1 m in front of a 1-m2  opening illuminates a wall behind.  If…

Q: According to Jules Verne, the Nautilus traveled 20000 leagues under the sea. If it took 1082 days to…

A: Solution:-

Q: B. Significant Figures 1. Determine the number of Significant Figures of the following: 0.01002…

A: Significant figures: Significant figures are the numbers of digits in a value, often a measurement,…

Q: What is the result of (3.50 mx 1.30 m)/0.70 m with the proper number of significant figures? (Enter…

A: Given, The mathematical operation is  3.50m×1.30m0.70m In question, ask about the answer of this…

Q: 1.34 light-years to miles (a light-year is an astronomical measure of the distance traveled by light…

A: To Solve:1.34 light-years to miles30.0 yards to centimeters3.4 1010 cm/s to ft/s

Q: There's an apocalypse and you are sealed inside a rectangular room with dimensions (6.0 ± 0.1 m) x…

A: Volume of rectangular room is given by V = L×W×H Where L is length of the room, W is width of the…

Q: How much time did you spend parked?

A: Given: Distance covered in north direction is d1=91 miles Time taken to cover distance d1 is t1=4…

Q: When I was a young adult , I made two trips down the coast of California on a bicycle. If I was…

A: The average speed of the bicycle = 8 miles/hr. Distance to be covered = 2.3 miles.

Q: The cheetah is known for being extremely fast. A cheetah can run 1 meter in 0.0346812 seconds. How…

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Q: In step 3, I am struggling to see the numbers. So if I'm corren the answer is 7?

A: In step 3,  we have the calculations as, The tension is taken as T Mass density of the rope is taken…

Q: Use the relationship between distance (d), time (t) and speed (v), d=vt to find the calculation…

A: Given value--- Distance = 22236 miles. speed = 1.86 × 105 mi/s. We have to find--- time ?

Q: In the Figure below a block slides along a path that is without friction until the block reaches the…

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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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Q: If my null hypothesis is 'Dutch people do not differ from English people in height', what is my…

A: If null hypothesis is dutch people do not differ from english people in height.

Q: I am flying from Kansas City to Denver. My flight leaves Kansas City at 4:30 pm. I land in Denver at…

A: Kanas city is 1 hour ahead of Denver If you leave Kanas city at 4:30 pm, Then time in denver is 3:30…

Q: Aperson crosses a 600 m long street in 5 minutes, What is his speed in km per hour? A)3.6 B)7.2…

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Q: You start out by driving 90 miles north in 3 hours and 21 minutes, and then you stop and park for a…

A: