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Question: A speedometer is graduated in 8 km/h increments and has accuracy rated to be within ±4%.
Part A- Estimate the uncertainty in indicated speed at 90 km/h.
Please show work on how to solve the above question. Thanks.
A uniform rod rotates in a horizontal plane about a vertical axis through one end. The rod is 7.63 m long, weighs 11.1 N, and rotates at 275 rev/min.find its rotational inertia about the axis of rotation
A rectangular metal loop with 0.050 OHMS resistance is placed next to one wire of the RC circuit shown in FIG. What is the direction of current in the loop
Suppose you decide to travel to a star 85 light-years away at a speed that tells you the distance is only 10 light-years
A skier starts from rest at the top of a 45-m hill, skis down a 30° incline into a valley, and continues up a 40-m-high hill. Both hill heights are gauged from the valley floor. Suppose that you can neglect friction and the effect of ski poles
A 1200 kg car is traveling at a constant speed of 13 m/s up a hill that makes a constant angle with the horizontal. How much energy is dissipated by dissipative forces in one second
bonnie and clyde are sliding 390 kg bank safe across the floor to their getaway car. the safe slides with a constant
Your friend has a near point of 142 cm, and she wears contact lenses that have a focal length of 33.2 cm. How close can she hold a magazine and still read it clearly
A bat emits chirping sounds of frequency 75 kHz while hunting for moths to eat. The bat flies east at 8 m/s. What is the frequency of the reflected sound detected by the bat
A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 0.80 millimeter. Obtain the magnitude of the potential difference between the conductors
What is the total dose equivalent of 1 rem of fast neutrons, 0.5 rad of low energy betas, 25 ergs per gram of thermal neutrons, and 150 mR of diagnostic x-rays
Sketch a principle ray diagram showing the formation of the image. compute the position, size, orientation (erect or inverted), and nature (real or virtual) of the image.
a spring with a spring constant of 120 nm lies on a horizontal frictionless table. the spring is attached to a 1.5-kg
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