(1) car's engine is not strong enough tokeep the car from being pushed out(2) friction between tires and road is notstrong enough to keep car in a circle(3) car is too heavy to make the turnYou drive your dad's cartoo fast around a curveand the car starts to skid.What is the correctdescription of thissitaation?(4) a deer caused you to skid(5) none of the above

we know, for an object to move in a circular motion, there must be a centripetal force always acting…

(1) car's engine is not strong enough to keep the car from being pushed out (2) friction between tires and road is not strong enough to keep car in a circle You drive your dad's car too fast around a curve and the car starts to skid. What is the correct description of this sitation? (3) car is too heavy to make the turn (4) a deer caused you to skid (5) none of the above

(1) car's engine is not strong enough to keep the car from being pushed out (2) friction between tires and road is not strong enough to keep car in a circle You drive your dad's car too fast around a curve and the car starts to skid. What is the correct description of this sitation? (3) car is too heavy to make the turn (4) a deer caused you to skid (5) none of the above

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A truck, initially at rest, rolls 1) half the height down a frictionless hill and 2) the same height attains a speed of 20 m/s at the bottom. To achieve a speed of 40 m/s at the bottom, how many 3) v2 times the height 4) twice the height times higher must the hill be? 5) four times the height
If your speedometer reading is 45 mph, but your tires are larger than factory-installed tires, how fast is your SUV actually moving? The circumference of the factory-installed tires should be 75 inches, but your tires are 90 inches around. 50 mph 52 mph 54 mph 56 mph
1. A car enters a level, unbanked semi-circular hairpin bend with a radius of 300 m at a speed of 120 km/h.The coefficient of friction between the tyres and the road is U = 0.250. If the car maintains the constant speedof 120 km/h, show that the likely fate for the car will be to veer toward the outside of the circle. 3.2(a) A block of mass m on a horizontal frictionless surface is attached to a light spring with force constant k.The block is initially at rest at its natural (equilibrium) position when a force P acting parallel to the surface, isapplied to the block as shown. What is the speed of the block when it is at position x from its equilibriumposition? (5) 3.2(b) If the block has a mass of 12 kg, the spring constant has a value of 0.80 kN/m when the block is initiallyat rest at the equilibrium position when a force of magnitude P = 80 N acting parallel to the surface is appliedto the block. What is the speed of the block when it is 13 cm from the equilibrium position?
In the airplane in a banked turn example:(Select all that are true) Select 3 correct answer(s) The centripetal force is provided by the horizontal component of the lift ) The faster the plane goes the steeper the angle must be The centripetal force is provided by the verticall component of the lift | The banking angle does not depend on the mass of the plane
4) Is it safe to drive your 1600-kg car at a speed of 27 m/s around a level highway curve of radius 150 m if the effective coefficient of static friction between the car and the road is 0.40? Explain.
12)You swing a 4.6-kg bucket of water in a vertical circle of radius 1.5 m. What speed must the bucket have if it is to complete the circle without spilling any water?
8- A ball of mass m = 0.4 kg moves in a vertical circular path on a string L= 1 m. If its speed is 7 m/s at the top of the circle, what is the tension in the string at that point? O A) 15.68 N O B) 3.92 N O 9 ON O D 23.52 N O Đ 35.28 N
An amusement park ride conists of a rotating circular platfor with a diameter d from which seats of mass m1 are suspended at the end of massless chains of length L. When the system rotates, the chains make an angle with the vertical a) draw a free body diagram of a child of mass m2 rising in a seat b) what is the speed of each seat c) Find the tension in the chain
2) A car is turning on a banked curve. What is the speed it should travel at in order to remove the need for static friction? m = 2000 kg e = 45° R R= 20 m
50 Square * (5)Consider a 4kg & 6kg blocks are sliding down an inclined plane whose inclination from the horizontal is 370.The blocks are in contact but are not fastened together as shown in figure - 1. (use sin370 = 0.6, Cos370 = 0.8 and g = 10m/s2) Mi 4kg H1 = 0.2 Find : (a) the contact force b/n mss-1 & 2 M2= 6kg (b)the acceleration the system. H2 = 0.4 370 and
7) Two masses, pulley, incline: Two blocks of mass M and m are connected by a light rope that passes over a frictionless pulley. Mass m has acceleration a up, and mass M has the same acceleration a down the frictionless incline, which has an angle of inclination of , as shown. (See PSL 5.2,5,9) a) Draw FBDs for each mass. b) Solve for (i) the normal force on M, (ii) the tension in the rope, and (iii) the mass m (all in terms of the other parameters given above). c) If M = 10.0 kg, a = 0.250 m/s/s, 0 = 30.0°, what are the values of (i) the normal force on M, and (ii) the tension, and (iii) the mass m? fm
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