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On sept 8 2004 the genesis spacecraft crashed because the parachutedid not open. The 210kg capsule hit the ground at 311km/h and penitrated the ground to a depth of 81cm.
what was the acceleration (assume to be constant) inm/s2 during the crash.what force did the ground exert on the capsulehow long did this force last.
A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. What is the height of the final image
A hollow cylinder (hoop) is rolling on ahorizontal surface at speed v = 4.8 m/s when it reaches a12° incline. How long will it be on the incline before it arrives back atthe bottom
Calculate the angular momentum of Jupiter due to its orbital motion about the Sun. In your calculation, use 7.780 1011 m as the average Jupiter-Sun distance and 3.740 108 s as the period of Jupiter in its orbit
An experiment you're designing needs a gas with = 1.60. You recall from your physics class that no individual gas has this value, but it occurs to you that you could produce a gas with = 1.60 by mixing together a monatomic gas and a diatomic gas.
two identical conducting spheres fixed in place attract each other with a force of 0.112 n when their center to center
nichrome wire of cross-sectional radius 0.769 mm is to be used in winding a heating coil. if the coil must carry a
two uniformly charged insulating rods are bent in a semi circle shape with radius R=12cm. find direction of the elctric field at the center of the circle
a 2.00-in diameter rod 15 ft long elongates 0.12 in under a load of 60 kip. the diameter of the rod decreases 0.0004 in
The graphite in a pencil has a resistivity of7.84×10−6 W×m.The graphite's diameter is 0.700 mm and its length is40.0 mm. (a) Find the resistance of this graphite "wire."
A 80.5 kg firefighter slides down a pole while a constant frictional force of 300 N retards her motion. Find the firefighter's speed just before she collides with the platform
A crate is sliding down a ramp that is inclined at an angle of38.0o above the horizontal. Find the acceleration of the moving crate
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.0 m/s2. How fast will the automobile be traveling at that instant
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