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a) What is the escape speed on a spherical asteroid whose radius is 585 km and whose gravitational acceleration at the surface is 2.5m/s2?
b) How far from the surface will a particle go if it leaves the asteroid’s surface with a radial speed of 1000 m/s?
c) With what speed will an object hit the asteroid if it is dropped from 1000 km above the surface?
A uniform beam 3m long has weights 20N and 30N attached to itsends. If the weight of the beam is 50N find the point on the beamwhere a support should be placed so that the beam will resthorizontally.
A hovercraft of mass 69.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft, How much work is done on the hovercraft by the force during this time
A star of radius 7.8 × 105 km rotates about its axis with a period of 66 days. Estimate the period of the neutron star
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. find the electric field amplitude at your ear as you use the phone
What is the maximum speed of the ball.
A 130gram meter stick is perpendicular to a rough verticalwall because of a 2.0meter string attached to the wall and the farend of the stick. What force does string exert on stick
A particular heat engine has a mechanical power output of 6.00 kW and an efficiency of 28.0%, Find the energy taken in during each cycle
Two resistors, of R1 = 2.07 ? and R2 = 6.97 ?, are connected in series to a battery with an EMF of 24.0 V, Find the current I1 through the first resistor
If an inductor carrying a 2.00 A current stores an energy of 0.250 mJ, what is its inductance
a 3000 kg car passes over a bump in a road that follows an arc of circle of radius 40m. what force does the road exert
Determine the voltage at the motor terminals - mesh analysis with one loop including the source
two sources source a and source b are emitting the same frequency f with the same amplitude a but are out of phase from
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