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INSTRUKSIES EN INLIGTING 1. Hierdie vraestel bestaan …
INSTRUKSIES EN INLIGTING 1. Hierdie vraestel bestaan uit vier afdelings. This paper consists of four sections. Oefening 1: (6) Oefening 2: (5) Oefening 3: (8) Oefening 4: (11) 2. Beantwoord alle vrae in die gegewe spasies Answer all questions in the spaces provided 3. Jy mag nie ‘n woordeboek of Google Translate gebruik nie You may not use a dictionary or Google Translate 4. Lees die vrae aandagtig deur voor elke Luister-Oening Read questions carefully before each Listening Oefening 5. Let op die sinskonstruksie, taal en leestekens, (Maak seker dat jou antwoorde duidelik is) Pay attention to sentence construction, language and punctuation, (Make sure your answers are clear) 6. Sterkte! You can do this!!! Good luck!
INSTRUKSIES EN INLIGTING 1. Hierdie vraestel bestaan …
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INSTRUKSIES EN INLIGTING 1. Hierdie vrаestel bestааn uit vier afdelings. This paper cоnsists оf fоur sections. Oefening 1: (6) Oefening 2: (5) Oefening 3: (8) Oefening 4: (11) 2. Beantwoord alle vrae in die gegewe spasies Answer all questions in the spaces provided 3. Jy mag nie 'n woordeboek of Google Translate gebruik nie You may not use a dictionary or Google Translate 4. Lees die vrae aandagtig deur voor elke Luister-Oening Read questions carefully before each Listening Oefening 5. Let op die sinskonstruksie, taal en leestekens, (Maak seker dat jou antwoorde duidelik is) Pay attention to sentence construction, language and punctuation, (Make sure your answers are clear) 6. Sterkte! You can do this!!! Good luck!
Twо curves оn а highwаy hаve the same radii R = 1 . 20 × 10 2 m . Hоwever, one is unbanked (Fig. 3.1) and the other is banked at an angle θ (Fig. 3.2). A car of mass 2 . 00 × 10 2 k g can safely travel along the unbanked curve at a maximum speed v 0 = 25 . 0 m s , (a) what is the coefficient of static friction between the tires and the road? (b) If the banked curve is frictionless and the car can negotiate it at the same maximum speed v 0 = 25 . 0 m s , what is the angle θ of the banked curve? If the coefficient of static friction between the tires and the road is half the μ s found in (a) and the angle θ is the same as the banked angle found in (b), (c) what is the maximum speed of the car for it to travel on the banked curve safely (d) what is the minimum speed of the car so that it would travel on the banked curve without sliding down? (Hint: sin 90 ° + θ = cos θ , cos 90 ° + θ = - sin θ , sin 180 ° + θ = - sin θ , cos 180 ° + θ = - cos θ ) fig3_q19.jpg