Physics

Unit & Dimensions

If all the surfaces shown in figure are smooth, then choose the correct option(s) ZULLI String 1 m Smooth 37° 2m m= 1 kg (A) Acceleration of m is 0 8 3 m/s2 (B) Acceleration of 2m is 4 3 m/s2 (C) Tension in the string 1 is 26 3 N 2 (D) Acceleration of 2m is (3) m/ m/s2

x S Black Friday 2021 Shop Trendy x + x of y Denvellum.ecollege.com/course.html?courseld=16921996&OpenVellumHMAC=f8f02d909515337878ac8f9bd4bad9a2#10001 ES Crrangmy untCOTT, S c mamciuc DECOITIES complicated in Cartesian coordinates. The velocity and an Review position vectors are perpendicular to each other. The math becomes much simpler if we use polar coordinates and look at the angular velocity. (Figure 1) Part B Polar coordinates (1,0) refer to the angular position and the distance from the origin r. If the angular velocity w is constant, then it equals the change in In some circumstances, it is useful to look at the linear velocity of a point on the blade. The linear angular position divided by the change in time: velocity of a point in uniform circular motion is measured in meters per second and is just like the AO linear velocity in kinematics, except that its direction continuously changes. Imagine taking a part of W = From the angular velocity and the radius of At the circle of the motion and straightening it out to determine the velocity. One application of linear the circle, the linear speed of an object can be found. velocity in circular motion is the case in which the lift provided by a section of the blade a distancer from the center of rotation is directly proportional to the linear speed of that part of the blade through the air. Figure 1 of 1 What is the equation that relates the angular velocity w to the magnitude of the linear velocity v? Express your answer in terms of angular velocity w and the radius r. V ► View Available Hint(s) VO AXO ? 0 U = Submit Part C Complete previous part(s) Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us 1:06 PM 42°F Sunny x 1111111021

A charge of 0.12 C is moved from a position where the electric potential is 45 V to a position where the electric potential is 95 V. (a) What is the change in the potential energy of the charge associated with this change in position? Part Answer Units (a) Hint J

ULU, 10.JJ.JLI a The size of a cell is typically found by capturing an image under a microscope then using software to measure its diameter. Two cells are measured using this method: Cell E: 4.5 x 10 centimeters Cell F: 7.4 x 10-4 centimeters How many times larger is the diameter of cell E than the diameter of cell F? Write your answer in standard notation, rounding to the nearest tenth. Answer: Submit Answer attempt 1 out of 2

irst Law homew X What is the effect of friction on x + es/1466759/quizzes/3285662/take/questions/51651498 ezes > Newton's First Law homework con's First Law homework Oct 21 at 8:55am Instructions he questions as best as you can. Round to two decimals if necessary. Question 8 1 pt: How much more weight would a 16 kilogram rock have compared to a 4 kilogram rock? I < Previous Next > Op

If nth division of main scale coincides with (n+1)th division of vernier scale and main scale division is equal to a mm, then Least count of Vernier calliper is 0.1 mm for a = 1 mm and n = 9 Least count of Vernier calliper 0.1 mm for a = 2 mm and n = 19 = If value of n increases, then least count will also increase If value of n increases then least count will also decrease

011 10.0 points To win the game, a place kicker must kick a football from a point 34 m (37.1824 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 20 m/s at an angle of 45.5° from the horizontal. The acceleration of gravity is 9.8 m/s?. By how much vertical distance does the ball clear the crossbar? Answer in units of m.

009 (part 2 of 3) 10.0 points What is the horizontal component of the ve- locity just before it hits? Answer in units of m/s. 010 (part 3 of 3) 10.0 points What is the vertical component of the velocity just before it hits? (Choose upward as the positive vertical direction) Answer in units of m/s. 011 10.0 points To win the game, a place kicker must kick a football from a point 41 m (14.8376 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 22 m/s at an angle of 39.2º from the horizontal. The acceleration of gravity is 9.8 m/s? By how much vertical distance does the ball clear the crossbar? Answer in units of m.

2. [-13 Points] DETAILS SERPSE10 1.3.P.010. MY NOTES ASK YOUR TEACHER (a) Assume the equation x = At? + Bt describes the motion of a particular object, with x having the dimension of length and t having the dimension of time. Determine the dimensions of the constants A and B. (Use the following as necessary: L and T, where L is the unit of length and T is the unit of time.) [A] = [B] = (b) Determine the dimensions of the derivative dx/dt = 3At? + B. (Use the following as necessary: L and T, where L is the unit of length and T is the unit of time.) [dx/dt] = Need Help? Read It

While Newton's Second Law often deals with formulas and numerical calculations, there exist one very important nonnumerical convention that must be appreciated and adhered to. On September 23, 1999, Mars Climate Orbiter--a $125 M space mission--was lost when a small rocket was fired to adjust entry to the Mars atmosphere. Unfortunately, one operator assumed the thrust value was given in English units when actually NASA specifications gave it in metric units. This is an example of consequences if the MKS convention is not precisely honored. What does the MKS convention designates the following?

webwork.carroll.edu 4 + Problems Word VitalSource Google Carroll College limit finder It Course: MA-121-A/B-2021FA-Differential Calculus WebWork : MA121_Jaynes : Homework_01_08:8 (1 point) The pressure in Pascals (Pa) created in an experiment varies as a function of time (in minutes). The formula for this function is P= 4.6 + 24 9.3 What are the units of the number 5.87 A. min/Pa B. Pa/min c. Pa min + 3.3t (t+ 7.5) + (12-6.7)/8.4 Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 D. Pa? E. min? Problem 6 Problem 7 Problem 8 F. Pa/min G. min H. min/Pa 1. per Pa What are the units of the number 4.67 A. Pa? B. min/Pa c. Pa min D. min? E. Pa/min F. min G. min/Pa H. Pa/min I. per Pa What are the units of the number 3.37 A. Pa/min B. min? C. min/Pa D. min E. Pa min E Pa? G. Pa/min H. min/Pa I. per Pa What are the units of the number 7.5? Amin/P MacBook Air

21. Resistivity of copper is g=1.72*10^(-8) om Convert this number into standard format Convert this number into metric format 22. Temperature coefficient of copper is. g=0.00393 1/0C Convert this number into scientific format Convert this number into percentage

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