Some hummingbirds beat their wings more than 50 times per second. A scientist is measuring the time it takes for ahummingbird to beat its wings once. Which fundamental unit should the scientist use to describe the measurement? Whichfactor of 10 is the scientist likely to use to describe the motion precisely? Identify the metric prefix that corresponds to thisfactor of 10.

Q: Assume the equation x = At3 + Bt describes the motion of a particular object, with x having the…

A: x having dimension of length L t having dimension of time T By using dimensional analysis of given…

Q: Which of the following equations are dimensiona consistent?

A: Given:- A.  v =at B. v = 12at2C. t = avD. v2= 2ax  v is the speed, t is time, and a is acceleration.…

Q: 1. From the figure shown below, (a) express all four vectors A, B,C,& D in unit vector notation (b)…

A:

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: The following data were taken on five cars traversing a 1.6-km highway. Car…

A: Write the expression for the traffic density. Here, N represents the number of vehicles and L…

Q: In terms of the scale of magnitude, what is the difference between something that operates in…

A: An exponential change of plus or minus 1 in the value of a quantity or unit is defined as an order…

Q: H.W Q1. Check the correctness of the following relation by using method of dimensions .where v and u…

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

A: Useful information that will be used, is equivalent to is equivalent to

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: In 2015, a Japanese high-speed train set a record— traveling at 374 mph during a test run near Mt.…

A: Given speed  V=374 mph and 1 mile=1609 m=1.609 kilometres  since we know that 1 kilometres =1000…

Q: Using Excel to make a plot of the Position vs Time given in the following table.  The dependent…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A stone is dropped into a well. The sound of the splash is heard 2.11 s later. What is the depth of…

A: Consider the time taken by the stone to hit the water be t1, the time taken by the sound to travel…

Q: The speed limit on some interstate highways is roughly 115 km/h. Calculate this speed limit in…

A: Speed limit , v=115 km/h

Q: The sides of a small rectangular box are measured to be (1.80 ± 0.01) cm, (2.20 ± 0.02) cm, and (3.0…

A:

Q: Each of the following equations was given by a student during an examination. Do a dimensional…

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Q: 5.00 cars pass through an intersection each second. How many cars pass the intersection in 1.00…

A: In 1 year there are 365.25 days.  In 1 days there are 24 hours.  In 1 hours there are 60 minutes.…

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

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Q: Using Excel to make a plot of the Position vs Time given in the following table. The dependent…

A: The given table contains time and the corresponding position of a rock falling from a cliff whose…

Q: A runner travels 50 m over a duration of 13.3 s. She took 31 steps over the 50 m. What was her step…

A: Distance (d) = 50 m Time (t) = 13.3 s Total  number of steps to cover 50 m               distance is…

Q: Statement translation. The distance s an object falls in time t equals the product of 16 and the…

A: Given S=distance the object falls t= time interval

Q: Question A projectile was fired from the origin O of the Cartesian coordinates on the edge of a…

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Q: Caleb left home and traveled toward the city A at an average speed of 57.9 km/h. Some time later,…

A: To answer this, we should keep in mind that both Caleb and Kim started from the same place. Also the…

Q: A Canadian Goose flies 92.0 % of the distance of a journey at an average speed of 92.0 km/h and the…

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Q: You find signs of an ancient civilisation and with some effort discover what the the base units for…

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Q: A teenager walks 191 meters north to their friends house and gets therelin 5 min. They forgot their…

A: suppose total distance when he returns to home is X. We have given, He travels 191m in 5 min. let us…

Q: PROBLEM 3: Calculate the average speeds of object A and object B. Which object has the faster speed?…

A: as curve represents the relationship between distance traveled in time hence the slope of the line…

Q: From the graph determine time if distance is 265km

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Q: Caleb left home and traveled toward the city A at an average speed of 61.3 km/h. Some time later,…

A: We are given,  Speed of Caleb  = 61.3 km/h Speed of Kim     = 47.4km/h    After travelling for 1.36…

Q: Which of the following equations has units of length? Take [x] = L (length), [m] = kg (mass), [t] =…

A: Since N = kg.m/s^2, So Unit of Ft^2 = N.s^2 = (kg.m/s^2)*s^2 = kg.m Unit of mx = kg.m Unit of Fx^2 =…

Q: What is 71 mph in terms of m/s? 1.000 mile = 1609 m. Your answer needs to have 2 significant…

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Q: An ant travels 3.95 inches due east, then turns and travels an additional 3.35 inches south. The ant…

A:

Q: A rabbit runs across a parking lot. The coordinates of the rabbit's position (in meter) are given by…

A: Given : The x -coordinate of position vector is,  x=12.3t The y-coordinate is,  y=x22.4 The…

Q: Figure E1.28 В (15.0 m) D (10.0 m) |30.0° 53.00 25.0° Č (12.0 m) Ã (8.00 m) 3. Given the vectors on…

A: Please note : As per answering guidelines I can answer the first three parts of a multisub-part…

Q: Q10: Assume the equation x = At³ + Bt describes the motion of a particular object, with x having the…

A:

Q: Tom Cogwagee Longboat, of the Six Nations of the Grand River, is one of Ontario's best known…

A: Given: Distance=39.2 kmTime=2hours, 24min, 24sec

Q: Suppose a machine is invented to measure the amount of knowledge in a student’s head in units called…

A: (a) The rate at which the student is gaining (or losing) knowledge as a function of time is :…

Q: Draw a distance vs time graph. Time (hr) Distance (km) 105 1.4 2.3 175 250 3.3 315 350 495 4.2 4.8…

A: The table for the graph is: Distance(km) Time(hr) 105 1.4 175 2.3 250 3.3 315 4.2 350…

Q: Convert the following measurements to metric units with power-of-ten prefixes. Do not use scientific…

A: To convert : Given measurements to metric prefixes

Q: Given a motion diagram. For the problem, write a one or two sentence “story” about a real object…

A: Given: The diagram shows the movement of Jerry. The length of arrow shows the magnitude of velocity.…

Q: Distance Time 1 TIme 2 Time 3 Time 4 Time 5 15.5 4.5 4/6 4.4 4.7 4.3 Plot these values on a graph of…

A: The plot for the distance with time is shown below. The distance remains constant with time

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.