Physics Physics Practice Problems Solutions Library

Trig Review Solutions Library

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18 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. 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. 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. 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. 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. 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) ...

Solved • Jan 18, 2017