| Question | Subject | Tutorials |
|---|---|---|
| Determine the tension force in the rope Christian is making a Tyrolean traverse as shown in the figure. That is, he traverses a chasm by stringing a rope between a tree on one side of the chasm and a tree on the opposite side, 23m away. The … |
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| Find an expression for the work the elevator cable does
Question: An elevator of mass m rises a vertical distance h with upward acceleration equal to one-tenth g. Find an expression for the work the elevator cable does on the elevator. The respon … |
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| What traction force does this system produce along the leg
Solve the given problem:
Problem: In order to prevent muscle contraction from misaligning bones during healing (which can cause a permanent limp), injured or broken legs must be supported … |
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| What is the ratio of electric force on bee to bees weigh
A 0.15g honeybee acquires a charge of 22pCwhile flying. The electric field near the surface of the earth is typically 100N/C , directed downward. What is the ratio of the electric force on t … |
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| Estimate the magnitude of the force per unit area on sheet
Solve the all parts of following problem given bellow:
Problem: Three large but thin charged sheets are parallel to each other. Sheet I has a total surface charge density of 7.6nC/m2, she … |
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| What rotation period will provide normal gravity
Despite what you see in science fiction movies, we don't know how to make artificial gravity. However, we can make something that seems like gravity if we work in a rotating reference fr … |
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| Calculate how long is the bar
A uniform steel bar swings from a pivot at one end with a period of 1.1s How long is the bar?
… |
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| Evaluate what is the gazelle top speed
Compute all parts of given problem:
Problem: A Thomson's gazelle can run at very high speeds, but its acceleration is relatively modest. A reasonable model for the sprint of a gazelle … |
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| What percentage of the initial potential remains
In discharging a capacitor what percentage of the initial potential remains after one time constant has passed? After two times constants? Three times constants?
… |
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| How many electrons have been removed or protons added
1) A 0.15 g honeybee acquires a charge of 25 pCwhile flying. The electric field near the surface of the earth is typically 100
A) What is the ratio of the electric force on the bee to the … |
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| What is the radial acceleration of the mercury
The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10^8 km, and the earth travels around this orbit in 365 days.
A) What is the magnitude of the orbital … |
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| Obtain the potential difference across the capacitor
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC
1. What is the potential difference across the capacitor if the spacing between the pla … |
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| Find what force did the pitcher exert on the ball
The fastest pitched baseball was clocked at 46 m/s. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1.0 meter and a baseball has a mass of 145 gra … |
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| Energy analysis of the block-and-spool problem
Problem 1. Energy analysis of the block-and-spool problem
A block and a spool are each pulled across a level, frictionless surface by a string, as illustrated at right.
The string pull … |
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| How much force pulls forward on the block of ice A 1.2m -long, 900g rope pulls a 9.0kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.0m/s^2
a) How much force pulls forward on the block of ice?
b) How much f … |
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| What is the tension in the rope while the load is moving Question: A load of bricks with mass = 15.0 hangs from one end of a rope that passes over a small, frictionless pulley. A counterweight of mass = 27.6 is suspended from the other end of the rope, as s … |
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| Question1a swan on a lake gets airborne by flapping its Question1
A swan on a lake gets airborne by flapping its wings and running on top of water.
(a) If swan have to reach a velocity of 6.00 m/s to take off and it accelerates from rest at the … |
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| Define how fast is the osprey approaching Q. A 221-kg projectile, fired with a speed of 105 m/s at a 54 degree angle, breaks into three pieces of equal mass at the highest point of its arc (where its velocity is horizontal). Two of the fragme … |
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| Define what is the maximum wavelength Question: Consider a telescope with a small circular aperture of diameter 2.0 centimeters.
Part A If two point sources of light are being imaged by this telescope, what is the maximum wavelength &I … |
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| What is numerical value of coefficient of static friction A block is resting on a wooden plank. There is a hinge on one end of the plank which allows the other end to be lifted to create an angle, θ, with respect to the horizontal as shown in the … |
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