A tow truck drags a stalled car along a road. The chain makes an angle 35° of with the road and the tension in the chain is 1200 N. How much work is done by the truck in pulling the car 4 km? Round your answer to the nearest whole number. ☐ 3,931,930 J ☐ 3,932 J 2,753,167 J 2,753 J 1.966 J If a = (-2, 10,-5) and b = <2, -3, 6), find a-b -64 O-21 -32 -64/271 -128

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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A tow truck drags a stalled car along a road. The chain makes an angle 35° of with the road and the tension
in the chain is 1200 N. How much work is done by the truck in pulling the car 4 km? Round your answer to
the nearest whole number.
☐ 3,931,930 J
☐ 3,932 J
2,753,167 J
2,753 J
1.966 J
Transcribed Image Text:A tow truck drags a stalled car along a road. The chain makes an angle 35° of with the road and the tension in the chain is 1200 N. How much work is done by the truck in pulling the car 4 km? Round your answer to the nearest whole number. ☐ 3,931,930 J ☐ 3,932 J 2,753,167 J 2,753 J 1.966 J
If a = (-2, 10,-5) and b = <2, -3, 6), find a-b
-64
O-21
-32
-64/271
-128
Transcribed Image Text:If a = (-2, 10,-5) and b = <2, -3, 6), find a-b -64 O-21 -32 -64/271 -128
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