Physics Solutions Library

Physics Solutions Library

Access over 2,819 Physics video and text solutions to help you complete your homework.

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2,819 solutions

Systems of Objects: Basic

Q. In the figure, 8.0 kg block A and 12.0 kg block B are connected by a string of negligible mass. Force FA= 12 N acts on block A; force FB = 24 N act...

Solved • Nov 28, 2019

Forces with Unit Vectors

Q. Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0° wi...

Solved • Nov 27, 2019

Projectile Motion: Positive Launch

Q. A golfer tees off from the top of a rise, giving the golf ball an initial velocity of 43.0 m/s at an angle of 30.0° above the horizontal. The ball ...

Solved • Nov 6, 2019

Unit Vectors

Q. What is the sum of the following four vectors in (a) unit-vector notation, and as (b) a magnitude and (c) an angle? 

Solved • Nov 6, 2019

Vector Addition & Subtraction

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

Projectile Motion: Positive Launch

Q. In the figure, a stone is projected at a cliff of height  h with an initial speed of 42.0 m/s directed at angle θ0 = 60.0° above the horizontal. Th...

Solved • Nov 6, 2019

Projectile Motion: Horizontal & Negative Launch

Q. A dart is thrown horizontally with an initial speed of 10 m/s toward point  P, the bull’s-eye on a dart board. It hits at point Q on the rim, verti...

Solved • Nov 6, 2019