Physics Physics Practice Problems Solutions Library

Trig Review Solutions Library

Access 32 Trig Review video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Trig Review learn videos.

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32 solutions

Trig Review

Q. 1. Find out the x-component and y-component of the following vectors:A = 15.0 cm; the vector is 30.00° north of west;B = 12.0 m; the vector is 55.0...

Solved • Jul 17, 2020

Trig Review

Q. I start walking. The 1st leg of my trip I walk dA = 105 m at θA = 24° south of east. The 2nd leg of my trip I walk dB = 65 m at θB = 28° north of e...

Solved • Jul 13, 2020

Trig Review

Q. Two forces, F1 and F2, act at a point, as shown in the picture. (Fiqure 1) F1 has a magnitude of 8.80 N and is directed at an angle of α-65.0° abov...

Solved • Jun 2, 2020

Trig Review

Q. Consider a particle with initial velocity v that has magnitude 12.0 m/s and is directed 60.0 degrees above the negative x axis.(a) What is the x co...

Solved • Jun 2, 2020

Trig Review

Q. V is a vector 24.8 units in magnitude and points an angle of 23.4° above the negative axis.(a) Sketch this vector.(b) Calculate Vx and Vy.(c) Use V...

Solved • May 26, 2020

Trig Review

Q. A student bikes to school by traveling first dN = 0.900 miles north, then dW = 0.300 miles west, and finally dS = 0.200 miles south.Finally, find ϕ...

Solved • May 21, 2020

Trig Review

Q. Find the components Nx and Ny of N in the tilted coordinate system. Express your answer in terms of the length of the vector N and the angle θ.

Solved • Apr 28, 2020

Trig Review

Q. You are to make four straight-line moves over a flat desert floor, starting at the origin of an xy coordinate system and ending at the xy coordinat...

Solved • Nov 6, 2019

Trig Review

Q. Three vectors are shown in Fig. 3-38. Their magnitudes are given in arbitrary units. Determine the sum of the three vectors. Give the resultant in ...

Solved • Oct 29, 2018

Trig Review

Q. For the vectors shown in the figure, determine B - 2A. Vector magnitudes are given in arbitrary units.

Solved • Oct 29, 2018

Trig Review

Q. For the vectors given in the figure, determine(a) A - B + C(b) A + B - C(c) C - A - B

Solved • Oct 29, 2018

Trig Review

Q. Jean camps beside a wide river and wonders how wide it is. She spots a large rock on the bank directly across from her. She then walks upstream unt...

Solved • Oct 29, 2018

Trig Review

Q. Vector A has y-component Ay = +15.0 m and makes an angle of 32.0° counterclockwise from the +y-axis.(a) What is the x-component of A?(b) What is th...

Solved • Oct 29, 2018

Trig Review

Q. A warehouse worker pushes a crate along the floor by a force of 10 N that points downward at an angle of 45° below the horizontal.(a) Find the hori...

Solved • Oct 29, 2018

Trig Review

Q. You leave the airport in College Station and fly 24.0 km in a direction 34.0° south of east. You then fly 46.0 km  m kmdue north.How far must you t...

Solved • Oct 29, 2018

Trig Review

Q. A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, then 3.50 km southeast, and then an additional distance in an unkno...

Solved • Oct 29, 2018

Trig Review

Q. Vector A is in the direction 34.0° clockwise from the −y-axis. The x-component of A is Ax = −16.0 m.(a) What is the y-component of A?(b) What is th...

Solved • Oct 29, 2018

Trig Review

Q. The treasure map in the figure gives the following directions to the buried treasure: "Start at the old oak tree, walk due north for 510 paces, the...

Solved • Oct 29, 2018

Trig Review

Q. PRACTICE: A velocity vector 41° below the positive  x-axis has a  y-component of −31 m/s. What is the value of its  x-component?

Solved • Oct 29, 2018

Trig Review

Q. Tom is climbing a 3.0-m-long ladder that leans against a vertical wall, contacting the wall 2.4 m above the ground. His weight of 880 N is a vector...

Solved • Oct 29, 2018

Trig Review

Q. Ruth sets out to visit her friend Ward, who lives 40 mi north and 100 mi east of her. She starts by driving east, but after 50 mi she comes to a de...

Solved • Oct 29, 2018

Trig Review

Q. A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are 4.00 m to the north, 2.00 m northea...

Solved • Oct 29, 2018

Trig Review

Q. A girl delivering newspapers covers her route by traveling 3.00 blocks west, 4.00 blocks north, and then 6.00 blocks east. (a) What is her resultan...

Solved • Oct 29, 2018

Trig Review

Q. A vector A has a magnitude of 4, and points in a direction of 40° counter-clockwise from the negative x-axis. A vector B has a magnitude of 4.5, an...

Solved • Feb 7, 2017

Trig Review

Q. A vector A has a magnitude of 5, and points in a direction of 50° counter-clockwise from the y-axis. A vector B has a magnitude of 7, and points in...

Solved • Feb 7, 2017

Trig Review

Q. A vector A has a magnitude of 5, and points in a direction of 50° counter-clockwise from the y-axis. A vector B has a magnitude of 7, and points in...

Solved • Feb 7, 2017

Trig Review

Q. A vector A has a magnitude of 10, and points in a direction of 50° counter-clockwise from the x-axis. A vector B has a magnitude of 8, and points i...

Solved • Feb 7, 2017

Trig Review

Q. A vector A has a magnitude of 10, and points in a direction of 50° counter-clockwise from the x-axis. A vector B has a magnitude of 8, and points i...

Solved • Feb 7, 2017

Trig Review

Q. Mary is standing next to a tree in a large open field. She walks 16.0 m due east (A) and then 12.0 m in a direction 36.9° west of north (B). After ...

Solved • Jan 24, 2017

Trig Review

Q. Find the magnitude and direction of the resultant R of the three vectors shown in the figure. The vectors have the following magnitudes; A = 7.9, B...

Solved • Jan 18, 2017

Trig Review

Q. Two vectors A and B have (x, y) components of (0, 1) and (-1, 3) respectively.  What are the components of the sum of these two vectors?A) (1,4)B) ...

Solved • Jan 18, 2017

Trig Review

Q. An object moves 8.0 m north and then 5.0 m south. Find both the distance traveled and the magnitude of the displacement vector.A) 3.0 m, 13.0 mB) 3...

Solved • Jan 18, 2017