On August 5, 1988, Mike McCarthy of London jumped from the top of the Tower of Pisa. He then opened his parachute in what he said was a world record low-level parachute jump of 179 ft. Make a rough sketch to show the shape of the graph of his speed during the jump. (Data from: Boston Globe, Aug. 6, 1988.)

Q: Police use the formula: V20L to estimate the speed of a car, v, in miles per hour, based on the…

A: Given: The Length of skid mark L = 158 ft. The velocity formula is given as, v=20L

Q: What is the speed of a car going v=1.000 mph in SI units? Notice that you will need to change miles…

A: As per the question, the speed of the car is v mph, we have to convert the speed of the car v in SI…

Q: . Eluid Kipchge from kenya became the first recorded human to run a marathon in under two hours! He…

A: Given: Distance in miles = 26.2 miles Time = 1 hour ,59 minutes, 40.2 seconds

Q: What SI unit is the most appropriate to use for the problem given below? A coin is dropped from the…

A: The given problem is based on the unit. We don't need to solve for height, we just need to find the…

Q: Averages follow the same rule. Suppose a car travels around a track three times. Your measurements…

A: Given DataV1=45 km/hV2=48.21 km/hV3=47.024 km/h

Q: A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is…

A: Given : position of fly : P(2.5,1.9) Origin: O(0,0)

Q: My cat, Boots, takes 0.44 s to jump off his cat tower to the ground. What was his height from which…

A: Given values  Time period of jump (t) = 0.44 s  According to second law of motion -  Where  H =…

Q: The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite…

A:

Q: A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is…

A: The distance will be :

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Assume the height of the cliff is denoted by h. The initial velocity of the rock is u = 0 m/s.…

Q: Do you think magnitude alone is sufficient in interpreting any physical quantities? Why? Or why not?

A: We know that a scalar only has the information about the magnitude of a specific quantity. distance…

Q: Estimate the order of magnitude of the length, in meters, of each of the following: (a) a mouse, (b)…

A: a) Length is the measurement of distance between the two ends of an object. The SI unit of the…

Q: Representing the horizontal distance jumped as L  and the vertical drop as h , as shown in the…

A:

Q: Which of the following statements uses exact numbers? (a) 1 ft = 12 in.(b) 1 cal = 4.184 J(c) The…

A: 1 ft = 12 in. 1 cal = 4.184 J

Q: Plot these values on a graph of distance (y) vs. time (x). Calculate the average of the time in your…

A:

Q: If you drive 113 miles in 2 hours and 15 minutes (2.25 hours) then what was the magnitude of your…

A:

Q: The following times are given in seconds. Use metric prefixes to rewrite them so the numerical value…

A: a) The required time is, b) The required time is,

Q: You walk 20 m east then 10 m north then 15 m west. What is the magnitude of your displacement in…

A:

Q: A furlong is a distance of 180 yards. A fortnight is a time period of two weeks. A race horse is…

A: Given data:  1 furlong = 180 yards 1 fortnight = 14 days Speed (v) = 7 yards per second Required:…

Q: A city has streets laid out in a square grid, with each block 135 m long. If you drive north for…

A:

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Initial speed of rock = 0 m/s  Time taken = 5.25 seconds  Using equation of motion for an object…

Q: "ysis The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray A.…

A: A.  327 cubic inches are 327·2.543 cm3    =3884 cm3. And since 1000 cm3 are 1 L,              this…

Q: The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical…

A:

Q: The tallest Ferris wheel in the world is located in Singapore. Standing 42 stories high and holding…

A: The angular speed of the Ferris wheel is as follows: ω=2πTω=2π30 min×60 s1 minω=3.49×10-3rad/s…

Q: A common speed limit in Vancouver, British Columbia, is 70 km/hr. If you are going 45 MPH, are you…

A: As mentioned in the comment, we need to solve the E12 problem. Given: The speed limit is Vl=70 km/hr…

Q: Give an order-of-magnitude estimate for the time in secondsof the following: (a) a year; (b) a…

A:

Q: The finishing times of two runners for several one-mile races, in minutes, are shown in the box and…

A: According to the box and whisker plot Time taken by the Runner 1 is  For 1st mile t1=6.3-5.8=0.5min…

Q: re instructed to travel 12.0 m and then 10.0 m. With just these instructions, what is the maximum…

A: Given S1 = 12.0 m S2= 10.0 m Distance will be maximum when both displacement S1 and S2 are along…

Q: The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation  h =…

A: height h, in feet , h = −16t2 + 76t. How many seconds after the ball is hit will the height of the…

Q: Give an order-of-magnitude estimate for the length in metersof the following: (a) a person; (b) a…

A: The average height of a typical person is around 1.80 m.   Thus, the order of magnitude in meters to…

Q: The path of a baseball after being hit is modeled by f(x) = −0.007x2 + x + 4, where f(x) is the…

A: The baseball’s path can be described as, Here, x denotes the horizontal distance.

Q: Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and…

A: Distance , d = 5 mines and 130 yards  To find = distance in meters

Q: Use following data to plot a graph of distance versus time. Determine the slope at t=2 and t=4 sec.…

A: Locate the points provided in the table in pairs on the graph paper. Further, join them through a…

Q: A hiker is climbing a steep 10° slope. Her pedometer shows that she has walked 1500 m along the…

A:

Q: a jet airplane reaches 637. km/h on a certain flight. How long does it take to cover 200. m? Set the…

A: Given : a jet airplane reaches speed = 637 Km/h               Jet cover distance = 200 m To Find :…

Q: Usain Bolt from Jamaica holds the world record for the 100 meter race running it in 9.58 seconds.…

A:

Q: Monarch butterflies belong to one of the most beautiful species of animals. To protect themselves…

A: Given Data: The distance covered by the butterflies is: d=3960 km The time taken to travel the…

Q: You are planning a trip to San Diego from Cypress College. If it took you a time of t = 1.5 hr to…

A:

Q: Somewhere, time is measured in cronosees (c) and distance is measured in tsols (t). The conversion…

A:

Q: Suppose you take a trip that covers 180 km and takes 3 hours to make. Use the appropriate unit…

A: Given Distance covered in the trip is d=180 km Time taken is t=3 h   We have to find the average…

Q: The Speed limit on a highway in Lower Slovakia was given as 120,000 furlongs per fortnight. How many…

A:

Q: A girl delivering newspapers covers her route by traveling 5.00 blocks west, 3.00 blocks north, and…

A: Given values:Distance travelled due west, OA = 5 BlocksDistance travelled due north, AB =3…

Q: A boat leaves Kingston and travels due east for 25 km. At the same time, a second boat leaves…

A: Distance travelled in east direction = 25 km Distance travelled in south-east direction at an angle…

Q: To get to his office from home, Greg walks 5 blocks north and then 3 blocks east. After work he…

A:

Q: How many minutes are in 4 weeks? Please show how you got the answer

A: 1 week = 7 days 1 day = 24 hours 1 hour = 60 minutes

Q: The height of a projectile moving vertically is given by the table, where t is the elapsed time in…

A: At t = 0 s, h = 100 feet At t = 1 s, h = 684 feet At t = 2 s, h = 1236 feet At t = 3 s, h = 1756…

Q: One of the humpback whales in a pod has a maximum speed of 750 meters per minute. If the whale is…

A: Maximum speed of whale, Vmax = 750 meter /min Swimming speed of whale, Vswim = 1/3 of Vmax = 1/3 of…

Q: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,…

A: The kilometer, hour, and a mile is 1 km=1000 m1 h = 3600 s1 mi = 1609.34 m

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.