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A 3m slinky rests on a table with a student holding each end. The students laterally shake the ends of the slinky to generate
1. 5 answers
2. asked by anonymous
3. 1,798 views
A resistance box has the following components and tolerances:10 resistors each of 100k§Ù ¡¾ 0.05% 10 resistors each of
1. 4 answers
2. asked by ong
3. 2,518 views
Due to electric effects on the earth and in the atmosphere, there is an electric field near the earth's surface that points
1. 5 answers
2. asked by anonymous
3. 1,854 views
As denizens of the surface of a spinning planet, we are always in uniform circular motion. Imagine you are in Nairobi (on the
1. 5 answers
2. asked by anonymous
3. 1,829 views
How much heat had to be put in during the process to increase the internal energy of the gas by 1.50×10^4 J ?Here is the given
1. 3 answers
2. asked by marie
3. 1,937 views
Every spinning electron is a tiny magnet. Since all atoms have spinning electrons, why are not all atoms tiny magnets?
1. 3 answers
2. asked by Alice
3. 707 views
What factors affect the frequency of a wave?A. the amplitude B. the energy of the wave C. the wavelength of the wave D. the
1. 4 answers
2. asked by tyger2020
3. 2,198 views
I have a question about a problem regarding Newton's third law.a. An iron rod is held up by a magnet. The magnet is held up by a
1. 3 answers
2. asked by Kim
3. 2,335 views
The sum of the emfs and potential difference around a closed loop equals zero" is a consequence of:a) Newton's third law b)
1. 1 answer
2. asked by susane
3. 1,028 views
If you are asked to calculate the accleration due to gravity, is that not a trick question? We did an experiment similar to
1. 1 answer
2. asked by McHelpme-URGENT
3. 412 views
A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1660 kg. It has strayed too
1. 4 answers
2. asked by Rick
3. 987 views
A 278-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0°
1. 2 answers
2. asked by michelle
3. 561 views
1) Let's continue to investigate your space vacation from last week. Your spaceship, which has a proper length of 300 m, passes
1. 2 answers
2. asked by ronnette
3. 536 views
Why will dropping or heating a magnet weaken it?
1. 4 answers
2. asked by Alice
3. 1,591 views
Why do some pieces of iron behave as magnets, while other pieces of iron do not?
1. 2 answers
2. asked by Alice
3. 838 views
What is a magnetic field, and what is its source?
1. 1 answer
2. asked by Alice
3. 283 views
find the force exerted by proton and the electron in a hydrogen atom they are 5.0 X 10^-19 coulomb
1. 1 answer
2. asked by adithya
3. 358 views
1-What is the shape of the trajectory of a charged particle moving in a uniform electric field if its initial velocity is null?2
1. 2 answers
2. asked by bob
3. 564 views
A ball is thrown straight up by a passenger in a train that is moving what a constant velocity. Where would the ball land
1. 2 answers
2. asked by himel
3. 520 views
Two cannonballs are shot in sequence from a can-non, into the air, with the same muzzle velocity, at the same launch angle.
1. 1 answer
2. asked by himel
3. 387 views
A rocket-powered hockey puck is moving on a (friction-less) horizontal air-hockey table. The x- and y-components of its velocity
1. 2 answers
2. asked by himel
3. 813 views
In a projectile motion, the horizontal range and the maximum height attained by the projectile are equal .A) what is the launch
1. 4 answers
2. asked by himel
3. 935 views
A man in search of his dog drives first 10 mi northeast, then 12 mi straight south, and finally 8 mi in a direction 30 degree
1. 3 answers
2. asked by himel
3. 726 views
Same rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus
1. 2 answers
2. asked by himel
3. 493 views
Your friends car is parked on a cliff overlooking the ocean on an incline that makes an angle of 17.0° below the horizontal.
1. 4 answers
2. asked by himel
3. 1,591 views
For a science fair competition, a group of high school students built a kicker -machine that can launch a golf ball from the
1. 6 answers
2. asked by himel
3. 1,217 views
When you take your 1700-kg car out for a spin, you go around a corner of radius 55 m with a speed of 20 m/s. The coefficient of
1. 2 answers
2. asked by anonymos
3. 847 views
a forklift lifts a 100 kg of concrete through a vertical height of 16 m in 20 sec.the power applied to the motor un driving the
1. 2 answers
2. asked by pherlysstar
3. 569 views
A skateboarder at a skate park rides along the path shown in (Figure 1) .a=2.7 m and b=1.0mPart A If the speed of the
1. 3 answers
2. asked by ana
3. 2,422 views
Assume an aluminum platter that is 3.5 inches in diameter, 1mm thick, and spinning at 5400 rpm. Treat the platter as a solid
1. 4 answers
2. asked by tyger2020
3. 607 views
A sphere with a mass of 2kg and a net charge -8 C is released from rest at the bottom of the electric field E. The sphere
1. 2 answers
2. asked by anonymous
3. 519 views
Two identical boxes with mass 10kg sit on the horizontal floor of a truck. There is friction between one of the boxes and the
1. 1 answer
2. asked by anonymous
3. 642 views
While sitting in a math class, you become curious and decide to put the math and your physics to work in a practical way. If you
1. 3 answers
2. asked by anonymous
3. 577 views

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