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1. How would you describe the "use of Newton's gravity to hold the solar system together" to an elementary school child? Give some examples and situations that you might find helpful in describing gravity.
2. What is gravity? Describe gravity throughout the universe.
3. What is escape velocity? Is it the same everywhere? Why or why not?
A student in a parked car honks the horn, which has a `proper' frequency of 310 Hz. Calculate the speed of the approaching vehicle
An observer sees two spaceships moving in opposite directions, Find the speed of one spaceship relative to the other
A capacitor with parallel circular plates of radius R is discharging via a current of 20.0 A. Consider a loop of radius R/3 that is centered on the central axis between the plates. How much displacement current is encircled by the loop?
A spinning object has a moment of inertia of 1.6 kg*m2. It is rotating at a rate of 1 rad/s. If the moment of inertia increases to 3 kg*m2, what is its new rotational velocity
A string of a violin is 32 cm long between fixed points with a fundamental frequency of 440 Hz and a mass per unit length of 7.2 x 10-4 kg/m. What are the wave speed and the tension in the string
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.30, Calculate the dielectric constant of the inserted material
a 70.0 ball of clay is thrown horizontally with a speed of 12.0 toward a 920 block resting on a frictionless surface.
What is its angular acceleration - What is the density of the material is the density of water is 1000 kg/m3?
Draw the field lines for two infinitely long wires one running along the y axis and one running along the x axis, both charged uniformly with lambda C/m. Make an expression for the electric field E at any point in the xy plane in terms of x and y...
A particle of mass 0.400 kilogram is attached to the 100 centimeter mark of meter stick of mass 0.200 kilogram. Find the angular momentum when the stick is pivoted about an axis perpendicular to the table through the 0 cm mark
The top of a tower much like the leaning bell tower at Pisa, Italy, moves toward the south at an average rate of 1.4 mm/y, what is the average angular speed of the tower's top about its base
What should the charge (sign and magnitude) of a particle of mass 1.21 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
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