Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
Q: A cyclist traveling southeast along a road at 15 km/h feels a wind blowing from the southwest at 25 ...
A: Vwc is the velocity of wind relative to the cyclist in the south west and Vcr is the velocity of cy...
Q: Gulls are often observed dropping clams and other shellfishfrom a height to the rocks below, as a me...
A:
Q: An ideal monatomic gas at 300 K expands adiabatically and reversibly to twice its volume. What is it...
A:
Q: What change in entropy occurs when a 27.9-g ice cube at -12°C is transformed into steam at 115°C?
A: Given data The mass of the cube is m = 27.9 kg The initial temperature of the cube is Ti = 12°C. The...
Q: Why do electrostatic experiments work so poorly in humid weather?
A: The electrostatic experiments do not work on a humid day since the water droplets in the atmosphere ...
Q: The frequency of a pendulum is the number of oscillations it makesper second. Is frequency a scalar ...
A: Frequency is the number of oscillations per second. Frequency is also given as inverse of time perio...
Q: Water going over AngelFalls, in Venezuela, the world’shighest waterfall, drops through adistance of ...
A: Let h be the distance by which the water is dropped.
Q: If the instantaneous velocity is zero, what can be said about the slope of the position function?
A: Explanation: Instantaneous velocity It is defined as the limit of the average velocity when the time...
Q: When red-headed woodpeckers (Melanerpes erythrocephalus) strike the trunk of a tree, they can experi...
A: Let a denote the acceleration. The conversion of units from FPS to MKS can be done as follow:
Q: A Maxim machine gun fires 431 bullets per minute. Each bullet has a mass of 12g and a velocity of 68...
A:
Q: The movie The Hunger Games brought in about$152,000,000 in its opening weekend. Express this amount ...
A:
Q: Give an order-of-magnitude estimate for the length in metersof the following: (a) a person; (b) a fl...
A: The average height of a typical person is around 1.80 m. Thus, the order of magnitude in meters to...
Q: You have a Dewar flask (a laboratory vacuum flask) that has an open top and straight sides, as shown...
A:
Q: 82. Find the scalar components of three-dimensional vectors G and i in the following figure and writ...
A:
Q: You have an astronomical telescope that has an angular magnification of -132. You find that the obje...
A:
Q: High-power lasers in factories are used to cut through cloth and metal (see figure below). One such ...
A: (a) Amplitude of magnetic field
Q: A 15,000 Watt crane is lifting a load with constant speed of 0.1 m/s. What is the mass of the load? ...
A: Given: The power of crane = 15000 Watt, the lifting speed of crane = 0.1 m/s, ...
Q: The rate of heat conduction out of a window on a winter day is rapid enough to chill the air next to...
A: The given values are,
Q: Two musicians are comparing their trombones. The fi rst produces a tone that is known to be 438 Hz. ...
A: Given The number of beats is n = 6 beats. The time at which the two trombones play together is T = ...
Q: A thin conducting plate 1.0 m on the side is given a charge of −2.0 × 10−6 C . An electron is placed...
A:
Q: Consider an electron that is 10−10 m from an alpha particle (q = 3.2 × 10−19 C). (a) What is the ele...
A:
Q: A coin is dropped from a hot-air balloon that is 300 m above the ground and rising at 10.0 m/s upwar...
A: Given data: The initial velocity of ballon is: U = 10 m/s The acceleration is: g = -9.81 m/s2 The in...
Q: On your wedding day you leave for the church 30.0 minutesbefore the ceremony is to begin, which shou...
A: Given: The distance of the church = 10 miles The distance traveled in the first 15 minutes can be ca...
Q: A 1.00-mol sample of an ideal monatomic gas is taken through the cycle shown. The process A → B is a...
A: For the isothermal process AB, the work on the gas is
Q: two identical spherical shells connected with a tube. The radius and the mass of a shell are r = 5.0...
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...
Q: A 79 kg person stands on snowshoes. If the total area of the 2 snowshoes is 0.44 m2 , what is the p...
A: The mass of the person m = 79 kg Acceleration due to gravity g = 9.8 m/s2 The total area of the 2 sn...
Q: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wa...
A: If the acceleration of the child in the wagon is to be calculated then the system of interest would ...
Q: wo lenses are placed along the x axis, with a diverging lens of focal length −7.80cm on the left and...
A:
Q: Determine an expression for the total travel time of the light pulse, as measured by the following: ...
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts (a, b, an...
Q: Four capacitors are connected as shown. (a) Find the equivalent capacitance between points a and b. ...
A: Given data: The equivalent capacitance is: Cequvi The first capacitor is: C1 = 15 μF The second capa...
Q: A cart has a mass of 5 kg is sitting at the top of an inclined plane, which is 5 m long and meets th...
A: Mass of the cart, m = 5 kg Inclined distance traveled by the cart, s = 5 m Angle of inclination, θ =...
Q: A certain car can go from 0 to 60.0 mi>h in 7.40 s. What is the average acceleration ofthis car i...
A:
Q: A person on a trampoline bounces straight upward with an initialspeed of 4.5 m>s. What is the per...
A: Given The initial speed of the person is Vo = 4.5 m/s. When a person trampoline bounces straight up...
Q: The driver of a car moving at 90.0 km/h presses down on the brake as the car enters a circular curve...
A:
Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a...
A:
Q: Find the equivalent capacitance of a 4.20-μF capacitor and an 8.50-μF capacitor when they are connec...
A:
Q: At what temperature is the average speed of carbon dioxide molecules (M = 44.0 g/mol) 510 m/s?
A:
Q: Point charges q1 = 50 μC and q2 = −25 μC are placed 1.0 m apart. What is the force on a third charge...
A:
Q: Suppose some people are sitting in a row at a movie theater,with a single empty seat on the left end...
A: Explanation: As the person moves on the left seat after 5 minutes, the empty seat will move towards ...
Q: Where are the cylindrical or spherical pressure vessels commonly used?
A: Pressure vessels are containers which hold liquids or gases.
Q: A cheetah can accelerate from rest to 25.0 m>s in 6.22 s.Assuming constant acceleration, (a) how ...
A: The initial velocity, The final velocity, The time taken,
Q: The acceleration of a particle is a constant. At t = 0 the velocity of the particle is (10i ^ + 20j ...
A: Part (a): The expression for the acceleration of a particle is, Here, vf and vi is the final, and i...
Q: The two charges as shown are separated by a distance d = 2.00 cm, and Q = +5.00 nC. Find (a) the ele...
A:
Q: The radius of 22-gauge Nichrome wire is 0.32 mm.(A) Calculate the resistance per unit length of this...
A:
Q: Figure represents a graph of the electric potential in a region of space versus position x, where th...
A: We divide the graph into three regions. Region 1: From 0 cm to 1 cm Region 2: From 1 cm to 3 cm Regi...
Q: If the cross product of two vectors vanishes, what can you say about their directions?
A: Let say we have two vector A & B having magnitude |A| & |B| and between these vector angle...
Q: A cleaner pushes a 4.50-kg laundry cart in such a way that the net external force on it is 60.0 N. C...
A: The expression for the required acceleration is,
Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
Step by step
Solved in 2 steps with 2 images
- (a) A person’s blood pressure is measured to be 1202mmHg . What is its percent uncertainty? (b) Assuming the same percent uncertainty, what is the uncertainty in a blood pressure measurement of 80 mm He?The radius of a circle is measured to be (10.5 0.2) m. Calculate (a) the area and (b) the circumference of the circle, and give the uncertainty in each value.Suppose you were first to measure the value of some physical constant experimentally. How would you provide an estimate of the experimental uncertainty?
- Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I,R) = IR. Your measured current and resistance have the following values and uncertainties I = 8.1 Amps, SI = 0.8 Amps and R = 39.7 Ohms and SR = 0.4 Ohms. What is the uncertainty in the SV?|Why do you think it is important to include uncertainty in a measurement in a lab setting?Find the uncertainty in a calculated electrical potential difference from the measurements of current and resistance. Electric potential difference depends on current and resistance according to this function V(I,R) = IR. Your measured current and resistance have the following values and uncertainties I = 9.3 Amps, 61 = 0.4 Amps and R = 20.3 Ohms and SR = 0.8 Ohms. What is the uncertainty in the , SV? Units are not needed in your answer.
- Using the relation V = I R, you want to find the largest source of uncertainty in calculating V and know that the uncertainty on I is 0.5mA and the uncertainty on R is 3Ohms. It must be true that R is the larger source of uncertainty because it is a larger value. true or falseAccording to a mathematical model, the spring constant k, of a spring can be written as: k = 4² m T² where T is the period of oscillation of a mass m attached to a spring. You obtained the slope of a straight trendline from a plot of T² vs m, and estimated the uncertainty of this slope by drawing minimum and maximum slope lines (i.e. min-max method). Your result is slope = 9.841 [units] ± 0.0725 [units], where units represent the appropriate units. Assume your calculated value of k is 4.012 [units]. What will be the uncertainty in k? 0.296 [units] O 0.0725 [units] 0.00737 [units] O 0.0296 [units]In an experiment to understand the concepts of potential and kinetic energies, as shown below, suppose, you are making some errors while making the measurement. Initial Height H Final Height H If the weight used in the experiment is having an uncertainty of 1.9+ 0.01 N, the initial height is measured, with an uncertainty of 40 + 0.06 cm and the final height with an uncertainty of 28.1 + 0.06 cm. (Potential energies are calculated by the formula weight x height) Calculate, 1) The absolute uncertainty in the calculated value of Initial Potential Energy (in Joules) = 2) The absolute uncertainty in the calculated value of Final Potential Energy (in Joules) = 3) The absolute uncertainty in the calculated value of Loss of Potential Energies (in Joules) =
- What is the volume and its approximate uncertainty of a sphere of radius 1.96 +- 0.0m?a) A simple spring is used to measure force. The spring is considered to be linear, so the F = kx, where F is the force in Newton, k is the spring constant in Newton per centimeter, and x is displacement in cm. If x = 20.0 ± 1.25 cm andk 800 ± 16 N/cm, %3D calculate the maximum possible error and the uncertainty of the measured force in absolute (dimensional) and relative (%) terms.In an experiment to understand the concepts of potential and kinetic energies, as shown below, suppose, you are making some errors while making the measurement. Initial Height H. Final neight H, If the weight used in the experiment is having an uncertainty of 1.1 0.02 N, the initial height is measured, with an uncertainty of 55 0.07 cm and the final height with an uncertainty of 23.5 t 0.07 cm. (Potential energies are calculated by the formula weight x height) Calculate,
