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College Physics Answers was created by Shaun Dychko, a teacher with more than 12 years experience teaching high school physics and mathematics, mostly at Point Grey Secondary in Vancouver, Canada. I have taught AP Physics, and all levels of high school mathematics. I studied physics at the University of British Columbia, where I obtained both ...
Choose a Chapter from OpenStax College Physics. Welcome to the internet's best resource to learn physics problem solving! Three years in the making, this enormous collection demonstrates best practices for solving any type of physics problem. Each video is concise, but without skipping steps, to help get you on your way as quickly as possible.
OpenStax College Physics. Chapter 9: Statics and Torque. Problem 13. Question. Suppose a 900-kg car is on the bridge in Figure 9.33 with its center of mass halfway between the hinges and the cable attachments. (The bridge is supported by the cables and hinges only.) (a) Find the force in the cables. (b) Find the direction and magnitude of the ...
Problem 19. Do Exercise 3.16 again using analytical techniques and change the second leg of the walk to straight south. (This is equivalent to subtracting B from A —that is, finding R' = A - B) (b) Repeat again, but now you first walk 25.0 m north and then 18.0 m east. (This is equivalent to subtract A from B — that is, to find R'' = B - A.
Problem number. 1. 22.4 Magnetic Field Strength: Force on a Moving Charge in a Magnetic Field. 22.5 Force on a Moving Charge in a Magnetic Field: Examples and Applications. 22.7 Magnetic Force on a Current-Carrying Conductor. 22.10 Magnetic Force between Two Parallel Conductors. OpenStax College Physics. Chapter 22: Magnetism.
An object is dropped from a height of 75.0 m above ground level. (a) Determine the distance traveled during the first second. (b) Determine the final velocity at which the object hits the ground. (c) Determine the distance traveled during the last second of motion before hitting the ground.
The area's gonna be πr squared because the bone is circular we assume and the compression force is equal to gravity, mg. So we substitute mg in place of F and we substitute πr squared in place of A and then plug in numbers. (let's change that to a square there) We have 150 kilograms times 9.80 newtons per kilogram times 38.0 times 10 to the ...
40. OpenStax College Physics. Chapter 3: Two-Dimensional Kinematics. Problem 40. Question. An eagle is flying horizontally at a speed of 3.00 m/s when the fish in her talons wiggles loose and falls into the lake 5.00 m below. Calculate the velocity of the fish relative to the water when it hits the water. Question by OpenStax is licensed under ...
Problem 1. Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of -2.00 \textrm { nC} −2.00 nC (b) How many electrons must be removed from a neutral object to leave a net charge of 0.500 \textrm { }\mu\textrm {C} 0.500 μC? View solution.
Find the terminal velocity of a spherical bacterium (diameter 2.00 \textrm { }\mu\textrm {m} 2.00 μm) falling in water. You will first need to note that the drag force is equal to the weight at terminal velocity. Take the density of the bacterium to be 1.10 \times 10^3 \textrm { kg/m}^3 1.10 ×103 kg/m3. Question by OpenStax is licensed under ...