trig
verify the identity algebraically- (5-5 cos x)(5+5 cos x)=25 (sin^x)
Chemistry University One
Is it possible for a calorimeter to have a high specific heat capacity, such as 2780J? I don't know if that is a reasonable answer.
Physics
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trig
A force of 50 pounds acts on an object at an angle of 45°. A second force of 75 pounds acts on the object at an angle of -30°. Find the direction and magnitude of the resultant force.
geometry
For problems 7 and 8, find the magnitude and direction angle of the given vector. 7. <3, 4> A magnitude: 5; direction angle: 53.13° B magnitude: √ 5; direction angle: 53.13° C magnitude: √5; direction angle: 3.40° D magnitude: √5; direction ...
geometry
1. Initial point: (0, 0); Terminal point: (3, -4) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 2. Initial point: (3, 5); Terminal point: (-2, -1) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 In problems 3 and 4, let u = Les...
geometry
In problems 1 and 2, the initial point and the terminal point of a vector are given. Write the vector in component form. 1. Initial point: (0, 0); Terminal point: (3, -4) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 2. Initial point: (3, 5); Terminal...
geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35° (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the s...
biology
birds
geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35° (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the s...
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