can someone solve this problem?

(7%) Problem 3: In this problem we are going to consider two different examples of the dot product bet erms of Service. copying this information to any solutions sharing website is strictly forbidden Doing so m 50% Part (a) If the force vector has a magnitude of F = 19.5 N, the displacement has a length of Ar = 1.05 m, and the angle between the vectors is 450, what will the dot product between the vector F and the vector Ar be? You can answer in joules (which is the same as newton-meters). Grade Summary F . Ar = Deductions 0% Potential 100% sin() cosO tan( 8 9 HOME Submissions acoso) F 4 Attempts remaining: 10 cotan( asin( 5 (0% per attempt) atan() acotan() sinh() 3 detailed view cosho tanho cotanh() + END Degrees O Radians VC BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 4 50% Part (b) If the force vector has components Fx = 8.5 N and Fy = 12.9 N, and the displacement vector has components Arx = 0.35 m and Ary = 0.61 m, what is the dot product between them? Again, enter your answer in joules