16. A banked circular road is designed for traffic moving at 60.0 km/h, radius of the curve is 200.0 m. Draw FBD and find angle. It is a stormy night and cars are traveling at 40.0 km/h. What is minimum coefficient of friction that will allow cars to negotiate turn without sliding?
Q: A golfer hits a ball with an initial velocity of 41.7m/s and is launched at an angle of 36° above…
A: Step 1:Step 2:Step 3:Step 4:
Q: ▾ Part A A system of two objects has AKtot 7 J and AUnt=-3 J. = Vocals Search B N How much work is…
A: Given: ΔKtot=7 J and ΔUint=−3 J Part A From the work and energy theorem:The work done by the…
Q: I need a example and with a result for the three law's of thermodynamics. pls ;)
A: The objective of the question is to provide examples and results for the three laws of…
Q: In a simple AC circuit shown on the right, C = 0.0045 F, L = 1.4 H, R = 45 Ω, and ΔV = ΔVmaxsin(ωt),…
A:
Q: 7) A slide projector has a 100 mm-focal length lens.a. How far away is the screen if a slide is…
A: Given thatObject distance p =Focal length f =Using lwna equation to find the image distance q,1/f =…
Q: As a mass m of gas falls into a black hole, at most 0.1mc2 is likely to emerge as radiation; the…
A:
Q: In the velocity selector part of a mass spectrometer, a field of 0.65 T is used for magnetic…
A:
Q: 0 ་ + ་ Draw the major product(s) of the following reactions including stereochemistry when it is…
A: 1) Halogenation of alkyne produces a vicinal dihalide (halogens on adjacent carbons). However, if…
Q: When a 0.25kg ball is suspended from a light 1.2m string, in the attachment below. The string makes…
A: Step 1:Step 2:
Q: Suppose that a steel hoop could at 0°c be constructed around the earth's equator, just fitting it at…
A: The objective of the question is to find the thickness of space between the hoop and the Earth's…
Q: plz hurry and answer in details, thanks
A:
Q: 9. As the intensity of light increases in the photoelectric effect, the ejected electrona. has a…
A: Step 1:Intensity of light is defined as the product of power and area.The formula for the intensity…
Q: 5) What is the magnetic field strength at the dot? d=0.1 m and I= 5A A) 26.79 x10-6T B) 13.38x10-6T…
A:
Q: Example 2: Fixing the problem....simple optics. A person who is near-sighted has a far point of 460…
A:
Q: Assume a situation of a pendulum with multiple bob. In the pendulum, peron a will hang a spoon and a…
A: A pendulum is an example of a vibration with a regular, consistent motion. A simple pendulum is one…
Q: 1. An Olympic athlete competing in the hammer toss spins the 7.26 kg hammer in a circle having a…
A:
Q: 6) An object 1.50 cm high is held 3.00 cm from a person’s cornea, and its reflected image ismeasured…
A:
Q: A copper rod has a length of 2.0 m and a cross-sectional area of 3.3 × 10-4 m². One end of the rod…
A: Step 1:Given:Length of copper rod; l=2.0mCross sectional area of the rod; A=3.3×10−4m2Boiling point…
Q: Please solve this question as fast as possible.
A:
Q: Don't provide hand writing solution
A: Step 1:To solve this problem, we can use Newton's second law and apply it to each mass separately,…
Q: A student walking to class on a cold day (To = -5 °C) find a silver ring with an inner diameter of D…
A:
Q: The force on the -1.0nC charge is as shown in the figure. (Figure 1). Figure Part A -1.0 nC + 60° 10…
A: Step 1:Step 2:Step 3:Step 4:
Q: Hello, I need help with this task. It is urgent, please help! Thank you! The electron moves with…
A: The objective of the question is to calculate the angular speed of rotation of the electron, the…
Q: The half-life of Ra-226 is 1.60 x 10^3 years = 5.05 x 10^10 s Find k What is the activity in…
A: The objective of the question is to find the decay constant (k), the activity in curies of a 1.00 g…
Q: (a) Find the critical angle, 0c, for light refracting from glass (ng = 1.58) into water (n = 1.33).…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: Can you help me answer this question?
A: The explanation is in the answer portion.
Q: Two charged small spheres are 20 cm apart and the magnitude of the force of repulsion between them…
A: The objective of the question is to find the charge on the second sphere, determine whether it is…
Q: Calculate the value of hall coefficient of sodium given that b.c.c structure with a unit cell of…
A: ANS:Step 1: We know that Hall coefficient isRH=ne1 Equation (1)Where n is…
Q: Which of the following will have a bigger impact on potential energy? Group of answer choices Need…
A: The objective of the question is to identify which factor will have a greater impact on the…
Q: Suppose the amount of air in a person's lungs is 1.75 L. Calculate the number of moles of air…
A: The objective of the question is to calculate the number of moles of air molecules in a person's…
Q: . Why are the forces exerted on the outside world by the limbs of our bodies usually much smaller…
A:
Q: 1. A beam of blue light shines through air onto a block of plastic, striking at an angle of 62.7° to…
A:
Q: 34. An object of mass m hangs from a spring and oscillates with period T. It moves a distance d in…
A: Answer:
Q: I need help with a physics problem
A: The objective of the question is to derive the amplitude of the emf induced in the Rogowski coil and…
Q: 1 Assessment Well done! You are now ready to take your post-test. You may again go over the lessons,…
A:
Q: An aluminum bar moves with a speed 2m/s between two copper roads in a magnetic field of 2T as…
A: Given data:- Length of the aluminium bar is l=10mMagnetic field is B=2TVelocity of the rod is…
Q: This is not a exam problem I need help on this homework question. I woul like help on a step by step…
A: Step 1:Given:Coefficient of Performance (COPᵤ) = 3.0Heat from outside geothermal source = 89°CHeat…
Q: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 490 m/s.…
A: The formula in getting the root mean squared velocity or VRMS of gas molecules is VRMS=…
Q: 1. This question goes way back to the end of chapter 8 and the combined tones described there. You…
A: In music, a musical interval is the difference in pitch between two notes. A musical fourth is a…
Q: Poisson brackets in quantum mechanics: - How does dp/dx = 0 - Prove each statement in the red box
A: Step 1: Step 2: Step 3: Step 4:
Q: A cat with its back to the ground can rotate itself 180 degrees while falling in order to land on…
A:
Q: Determine two force members first. Two blocks are each pin connected to a massless horizontal link.…
A: The objective of the question is to find the largest force P that can be applied before motion…
Q: Suppose you have two forces as shown in the below. Each force is applied to a string connected to a…
A: The objective of this question is to find the horizontal component of the force needed to bring a…
Q: Please don't provide handwritten solution ..
A: Step 1:Step 2: He we see the force goes to zero at negative infinity at x=0.When x increases the…
Q: Consider the two-sided chamber shown,where the right half has a volume of V = 490 L and the left…
A: Given Data:Volume of the right side, VR = 490LVolume of the left side, VL = 2VR = 2 × 490L =…
Q: We observe a star that is dstar away. How much extinction would there need to be (i.e., what must…
A:
Q: A virtual image is formed 18.5 cm from a concave mirror having a radius of curvature of 35.5 cm. (a)…
A:
Q: The component of the external magnetic field along the central axis of a 50 turn coil of radius 40.0…
A: Approach to solving the question: Detailed explanation:Examples: Key references:
Q: Could you please explain this question
A: The objective of this question is to calculate the pressure on the lungs of a dinosaur when it is…
Q: A 11.8-kg monkey climbs a uniform ladder with weight w = 1.27 × 102 N and length L = 3.60 m as shown…
A:
Step by step
Solved in 2 steps with 1 images
- (a) A 22.0-kg child is riding a playground merry-go-round that is rotating at 40.0 rev/mm. What centripetal force is exerted if he is 1.25 m from its center? (b) What centripetal force is exerted if the merry-go-round rotates at 3.00 rev/min and he Is 8.00 m from its center? (c) Compare each force with his weight.A man whirls a 0.20-kg piece of lead attached to the end of a string of length 0.500 m in a circular path and in a vertical plane. If the man maintains a constant speed of 4.00 m/s, what is the tension in the string when the lead is (a) at the top of the circular path? (b) at the bottom of the circular path? (Sec Section 7.4.)11. A crate of eggs is located in the middle of the flatbed W of a pickup truck as the truck negotiates a curve in the flat road. The curve may be regarded as an arc of a circle of radius 35.0 m. If the coefficient of static fric- tion between crate and truck is 0.600, how fast can the truck be moving without the crate sliding?
- If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a problem on icy mountain roads). Assume the car is moving in a horizontal circle at constant speed. a. Calculate the ideal speed to take a 100.0 m radius curve banked at 13°. min Videal b. What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h? - Question Help: Read Hint 1 Hint 2 m/s Submit Question Banked curveThe 2-lb box slides on the smooth circular ramp. If the box has a velocity of 30 ft/s at A, determine the velocity of the box and normal force acting on the ramp when the C box is located at B and C. Assume the radius of curvature of the path at Cis still 5 ft. В 5 ft 30 ft/s A1. What coefficient of friction do cars need on a flat curve? (a) Calculate the centripetal force exerted on a 950 kg car that negotiates a 450 m radius curve at m 20.0 . S Enter to 3 significant figures F = 844.44 N (b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping (see figure below). W Free-body diagram f N 13 W f = Fc Caption: This car on level ground is moving away and turning to the left. The centripetal force causing the car to turn in a circular path is due to friction between the tires and the road. A minimum coefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway. Enter to 3 significant figures Hs= 0.899 √
- it takes a 600kg racing car 10 secs to travel at a uniform speed around a circular track with a radius of 50m. What average force must the car's tires exert against the track tp maintain this circular motion? What is the acceleration of the car?A pilot performs a vertical maneuver around a circle with a radius R. When the airplane is at the lowest point of the circle the pilot’s apparent weight is 6 mg. What is the acceleration of the plane at the lowest point? ExpainA. gB. 2 gC. 3 gD. 4 gE. 5 gA car has a mass of 1723. kg and is going around a flat curve which has a coefficient of static friction between the tires and the pavement is 0.757. The maximum speed the car can have and still negotiate the turn is 37.8 m/s. What is the smallest radius of curvature for which the car can safely negotiate the curve under these conditions? Select one: a. 146. m b. 110.m C. 5.10 m Od. 193.m
- If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a problem on icy mountain roads). a. Calculate the ideal speed to take a 100.0 m radius curve banked at 12°. Videal = m/s b. What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h? Hmin = Submit QuestionA car rounds a 75 m radius curve at a constant speed of 18 m/s. A ball is suspended by a string from the ceiling the car and moves with the car. The angle between the string and the vertical is: Select one: O a. 0° O b. 90° Oc. 1.4° O d. cannot be found without knowing the mass of the ball Ое. 24°A 14000N car traveling at 25 m/s rounds a curve of radius 200 m. Find the following 1. The centripetal acceleration of the car? 2. The force that maintains centripetal acceleration? 3. The minimum coefficient of static friction bettween the tires and will allow the car to round the curve safely?