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Junior high studetn needs help with understanding concept behind grvaity. Help with following basic questions in simple terms please.
1. Imagine you started to walk towards the west. Imagine that you can walk forever and that you can even walk on water. If you walk in the same direction forever, what will happen? Where will you end up?
2. Imagine that there is a big hole that tunnels al the way through the center of the earth vertically. If you drop an apple down this hole what would happen? explaine answer using terms of gravity, air resistance.
3. Usiing the same thought from the above problem, only the tube is running horizontally through te center of the earth, what would happen if you dropped an apple.
4. What kinds of things have gravitational forces?
5. Are there any places in the universe where gravity does not exist?
A proton and an electron are fixed in space with a separation of 957 nm. Calculate the electric potential at the midpoint between the two particles. Find the magnitude and direction of the electric field at the same point.
A 0.31 MeV x-ray photon collides by an electron and scatters straight back the way that it came. What is the energy of the backscattered photon? What is the kinetic energy of the scattered electron? Suppose that it was initially at rest.
A thin, uniformly charged spherical shell has a potential of 720 V on its surface. Outside sphere, at a radial distance of 29.0 cm from this surface, the potential is 434 V.
Assume that you have a tightly capped 5 liter container of oxygenated water. The temperature of the water is 25 degrees celcius, the oxygen partial pressure being 2.4 atmospheres . This water is degassed(outgassed) such that 96% of the oxygen is r..
The asteroid belt circles the sun between the orbits of Mars and Jupiter. One asteroid has a period of 4.0 earth years
A plot of the displacement on the y axis vs. applied force on thte x axis for an ideal elastic spring. What would the slope of the curve be
A 2.20 kg mass on a spring has displacement as a function of time given by the equation x(t)= (7.40 cm) cos [4.16 rad/s) t - 2.42 rad]. Find the time for one complete vibration
A heavy box is pulled across a wooden floor with a rope. The rope makes an angle of 60o with the floor. A force of 75N is exerted on the rope. find the component of the force parallel to the floor
A 5.00F and an 8.00F capacitor are connected in series, and this combination is connected across a 46.0V potential dissimilarity. Compute the charge on first capacitor. Compute the charge on the second capacitor
A quantity of ideal gas at 10.0°C and 100 kPa occupies a volume of 1.20 m3. how much volume does the gas occupy
The heels on a pair of women's shoes have radii of 0.42cm at the bottom. If 32 percent of the weight of a woman weighing 580N is supported by each heel, find the stress on each heel.
An electric field is set up between two parallel plates, each of area 2.2 m2, by putting 1.0 C charge on one plate and the -1.0 C charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates ..
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