Serena Williams’ fastest serve is 129 miles per hour. What is this speed in meters per second? ( 1 mile = 1.609 km)     B) A tennis court is 23.77 meters from baseline to baseline. How long does it take the serve above to travel the length of the court?

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: Annual sales of bottled water in a certain country in the period 2007–2014 could be approximated by…

A: Given: Annual sales is given in between 2007 to 2014 that means number of bottle Sales in that year…

Q: How many nanoseconds does it take light to travel 1.00 ft in vacuum?

A: Given that:- d=1 ftc=9.84×108 fpst=?

Q: Joshua drove his car a distance of 305.4 miles, and it required 14.0 gallons of gasoline (petrol).…

A:

Q: A human hair has a thickness of about 85 um. Part A What is this in meters? Express your answer…

A:

Q: Mr. Muscedere is a professional race car driver. The race track he is about to drive on has a curve…

A:

Q: THE GREAT WALL OF CHINA IS APPROXIMATELY 21,196 KM LONG. IF A WALKING ROBOT WOULD WALK ACROSS IT AT…

A: time = distance/speed

Q: A kilometer is how many meters?

A:

Q: • Radio waves travel at the speed of light, approximately 186,000miles per second. How much time…

A:

Q: Help with C

A: (a)Convert the lower and upper value of a cubit into meters and then multiply by 8 since the length…

Q: A standard Olympic running track is an oval that measures 400 m in circumference (the length all the…

A: Given data The total length is L=400 m The number of laps is n=4   The total distance traveled is,…

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: A surveyor measures the distance across a straight river by the following method: Starting directly…

A: Given data as per question Distance walked along the bank of river =100 m Angle =350

Q: Figure 4.6 DISTANCE VS. SQUARE TIME 90 80 70 60 50 40 30 20 10 distance (m)

A: In the given graph, the distance is plotted along the y axis and the square of time is plotted along…

Q: Mr. Muscedere is driving in his car at a speed of 60.0km/h. He suddenly sees a chicken crossing the…

A: Initial speed = 60 km/h Acceleration for first 1.4 sec = 0 m/s2 Final speed = 0 m/s

Q: How many centimeters are in 2 kilometers? Write your answer in scientific notation.   How long…

A: (1) The relationship between centimeter and kilometer is given.

Q: we use meters “per” second when calculating speed?

A: To answer this question, We will have to define speed. Speed: the distance travelled in a unit time…

Q: Guy is being transferred from his home in Cincinnati, Ohio, to Sedona, Arizona. Google Maps tells…

A: Given: Distance, d = 1725 miles; v1 = 60 mi/hr and v2 = 75 mi/hr

Q: Assume your hair grows at a rate of 1/44th of an inch per day. How fast is that in nm/s (nanometers…

A: Relation between units of length: 1 inch =2.54×107 nm units of time: 1 day=24×3600 s Grow rate of…

Q: 1) A bird has flown 300 km for 6 hours What is the bird's speed? (NOTE: use km/hr as the correct…

A:

Q: Convert the following into the metric units indicated. Show your calculations. Round off answers to…

A:

Q: I would like some explanation as to how you are able to get the answer. What is the equation that I…

A: In this question we will use condition of static equillibrium sum of vertical forces=0 sum of…

Q: how many kilometers will you travel in a span of 2.5 h if you are going at a speed of 5.0m/s?

A: Given , Time = 2.5 h = 2.5×60×60s = 9000 s  Speed = 5.0m  We know that distance = speed×time

Q: Save Ans A man walks 27.1955 m directed 55.7708 degrees from the positive x-axis, then he walks…

A:

Q: A man walks 10.1221 m directed 124.9264 degrees from the positive x-axis, then he walks 37.6981 m…

A:

Q: How many minutes would it take to travel a distance of 7000 meters if you are traveling at a speech…

A: (1)Find the time taken to travel a sound in a speech.Substitute the values,

Q: Convert the given values to the specified units using the dimensional analysis method we reviewed in…

A: Given:- Convert the 9.8 m/s to Km/minute by the conversion factors.  Like as given above.  Find:-…

Q: How many meters are there in 6.50 lyly ? Express your answer using three significant figures.…

A:

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

A:

Q: Starting from the first floor, a lift stops at floors 3, 4,3, 2, 3, and 4 before returning to the…

A:

Q: . Convert 120 m/sec into ______ ft/min. Given 1 meter = 3.28 ft, and 1 min = 60 sec can you show me…

A: Given that,

Q: You have been given the operations below. Do them and display your answers using the correct number…

A: Significant figure rules : In addition or subtraction the final answer is rounded off to the same…

Q: Suppose your speedometer has an uncertainty of 4.5 km/h at a speed of 92 km/h. If the speedometer…

A: Speed (u) = 92 kmhr Uncertainty = 4.5 kmhrPercentage uncertainty = 4.5×10092= 4.89%

Q: O Question 1 Which of the following is the standard unit for clock readings and time intervals? O…

A: The standard unit of measuring clock readings and time intervals is second. The symbol of second is…

Q: The meter is the standard unit of length for physics.  Which of these is the current way we define…

A: The base units for length, mass and time in these systems were as follows : (a)In CGS system they…

Q: Two blocks are connected by a massless string over a frictionless pulley as shown in this diagram.…

A:

Q: Write the scientific notation (10n) 0012 = 560000 =             Write out the number 3 x 104 =…

A: Scientific notation is a mathematical expression used to represent a decimal number between one and…

Q: The hour hand of a clock is 4 inches long and the minute hand is 7 inches long. At the moment the…

A: Analyze the following figure. The distance between the tips of the hour hand and minute hand can be…

Q: 2) Rewrite the following expression in proper scientific notation as in the example on page 1. Note…

A: (2) The given expression in the scientific notation form is,…

Q: A football coach walks 12 meters westward, then 16 meters eastward, then 22 meters westward, and…

A: Given:OA=12m westAB=16m eastBC=22m westCD=6m East

Q: Question 16, A 7.0 kg mass is connected to a 1.0kg mass over a pulley. The coefficient of kinetic…

A: Given: The hanging mass is 7 kg. The mass on the inclined surface is 1 kg. The coefficient of the…

Q: Bili has set his GPS to track his route. At the end of his hike, his GPS indicates that he walked…

A: Data given by GPS : d1→ = 3.50 miles (north)= 3.50j^ milesd2→= 1 miles (45 degree north of east)= 1…

Q: hat is the conversion of 6 times per minute to seconds?

A: Given that                The radius of the wheel is (R) = 9.2m   Since wheel spin at 6 times per…

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.