○ 2 4 sd43.onlinelearningbc.com E Co₂ Qui Co Jenna Esmail - Physics 12 - CLOC ၁ Question 5 (1 point) ◄ Listen ✓ Saved An 800-kg elevator accelerates downward at 2.0 m/s². The force exerted by the cable on the elevator is: 1.6 kN down 6.2 kN up 1.6 kN up 8.0 kN down 9.6 kN down Question 6 (1 point) ✓ Saved Listen A 25-newton horizontal force northward and a 35-newton horizontal force southward act concurrently on a 15-kilogram object on a frictionless surface. What is the magnitude of the object's acceleration? (1) 0.67 m/s² (2) 1.7 m/s² (3) 2.3 m/s² (4) 4.0 m/s² MacBook Pro

○ 2 4 sd43.onlinelearningbc.com E Co₂ Qui Co Jenna Esmail - Physics 12 - CLOC ၁ Question 5 (1 point) ◄ Listen ✓ Saved An 800-kg elevator accelerates downward at 2.0 m/s². The force exerted by the cable on the elevator is: 1.6 kN down 6.2 kN up 1.6 kN up 8.0 kN down 9.6 kN down Question 6 (1 point) ✓ Saved Listen A 25-newton horizontal force northward and a 35-newton horizontal force southward act concurrently on a 15-kilogram object on a frictionless surface. What is the magnitude of the object's acceleration? (1) 0.67 m/s² (2) 1.7 m/s² (3) 2.3 m/s² (4) 4.0 m/s² MacBook Pro

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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72% C l. 3:28 م سبت 6 مارس A elearn.squ.edu.om Question 4 Correct Mark 2.00 out of 2.00 P Flag question Calculate the friction (in N) acting on a car's wheel while taking a flat curved road of radius 500 m with a speed of 12 m/s. The mass of the car is 944 kg. Note: write your answer with one decimal place Answer: 271.9 The correct answer is: 271.9
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answer Q 5
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At Ted's request, Bill pushes the pizza box across the granite countertop towards Ted. When the box leaves Bill's hand it is sliding at 2.60 m/s. The box comes to rest over a distance of 110 cm. What is the coefficient of kinetic friction, uk, between the pizza box and the countertop? (Ignore air drag.)