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(a) What is the escape speed on a spherical asteroid whose radius is 241 km and whose gravitational acceleration at the surface is 0.492 m/s2?
(b) How far (in km) from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 426 m/s?
(c) With what speed will an object hit the asteroid if it is dropped from 1052 km above the surface?
Consider a dry air parcel at -12 degrees celsius and 450mb that descends adiabatically down to the surface where p=1000mb, Calculate the potential temperature at the surface
A frictionless plane is 10.0 m long and inclined at 34.0°. A sled starts at the bottom with an initial speed of 5.90 m/s up the incline. Determine the initial speed of the second sled
A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Find the translational speed at the top
You are trying to overhear a juicy conversation, but from your distance of 15m. It sounds like only an average whisper of 20 dB. So you decide to move closer to give the conversation a sound level of 60 dB instead. How close must you come.
Two pucks collide on an air hockey table. Puck A has a mass of 30 g and is initially traveling in the +x direction at 6.0 m/s. Calculate puck A's final speed
q1. a 220 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. if
An semicircular arc with a radius of B is split into two. The arc is in the xy-plane such one part is in the first quadrant, What is the electric field vector at the origin
a 100 Watt electric light bulb is plugged into 120 Volt, 60 HZ AC voltage source. What is the peak current in the bulb
Two objects of masses m1=0.56 kg and m2=0.88 kg are placed on a horizontal frictionless surface and a compressed spring of spring constant k=280 N/m is placed between them. find the final velocity of each object
A solid, uniform disk of radius 0.250 m and mass 62.3 kg rolls down a ramp of length 4.70 m that makes an angle of 18° with the horizontal. Find the angular speed of the disk at the bottom of the ramp
The distance between the eyepiece and the objective lens in a certain compound microscope is 24.5 cm. Find the overall magnification of the microscope
What would be the equilibrium temperature when a 227 block of copper at 265 is placed in a 155 aluminium calorimeter cup containing 844 of water at 14.50.
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