Car A moves due East at 30 kph at the same instant car B is moving $ 30° E, with a speed of 60 kph. The distance from A to B is 30 km. Find how fast is the distance between them separating after one hour. A. 36 kph B. 38 kph G. 40 kph D. 45 kph A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the same point at 2:00 P.M. travels north at 45 kph. Find how (in kph) fast the two are separating at 4:00 P.M.? A. 49 B. 51 C. 53 D. 55 What is the allowable error in measuring the edge of the cube that is intended to hold 8 cu. m., if the error of the computed volume is not to exceed 0.03 cu. m? 0.002 0.003 0.0025 A. B. C. D. 0.001 75. A standard cell has an emf "E" of 1.2 volts. If the resistance "R" of the circuit is increasing at the rate of 0.03 ohm/sec, at what rate is the current "I" changing at the instant when the resistance is 6 ohms? Assume Ohm's law E = IR. A. -0.002 amp/sec B. 0.004 amp/sec C. -0.001 amp/sec D. 0.003 amp/sec

Car A moves due East at 30 kph at the same instant car B is moving $ 30° E, with a speed of 60 kph. The distance from A to B is 30 km. Find how fast is the distance between them separating after one hour. A. 36 kph B. 38 kph G. 40 kph D. 45 kph A car starting at 12:00 noon travels west at a speed of 30 kph. Another car starting from the same point at 2:00 P.M. travels north at 45 kph. Find how (in kph) fast the two are separating at 4:00 P.M.? A. 49 B. 51 C. 53 D. 55 What is the allowable error in measuring the edge of the cube that is intended to hold 8 cu. m., if the error of the computed volume is not to exceed 0.03 cu. m? 0.002 0.003 0.0025 A. B. C. D. 0.001 75. A standard cell has an emf "E" of 1.2 volts. If the resistance "R" of the circuit is increasing at the rate of 0.03 ohm/sec, at what rate is the current "I" changing at the instant when the resistance is 6 ohms? Assume Ohm's law E = IR. A. -0.002 amp/sec B. 0.004 amp/sec C. -0.001 amp/sec D. 0.003 amp/sec

Name: . Car A moves due East at 30 kph at thesame instant car B is moving S
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Description: . Car A moves due East at 30 kph at thesame instant car B is moving S 30° E, witha speed of 60 kph. The distance from A toB is 30 km. Find how fast is the distancebetween them separating after one hour.A. 36 kphB. 38 kphG. 40 kphD. 45 kphA car start

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 98AP: Two speedboats are traveling at the same speed relative to the water in opposite directions in a...

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