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A starship lands on a planet of mass 6*10^23 kg. An astronaut throws a rock of mass 9.5 kg up from the ground at 17 m/s. The maximum height reached by the rock is 100 m.
a) what is the gravitational acceleration on the rock?
b) what is the radius of the planet?
c) what is the escape velocity of the planet?
Jack was exposed to fast neutrons; he received a radiation dose of 300rem on part of his hand, affecting 22.0grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 9.00.
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a certain second-order reaction has a rate constant of 1.10times10-3 at 27 and an initial half-life of 226. what is
Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n = 1.010). compute the critical angle for total internal reflection
You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light at the detector as you vary the relative angle between the transmission axes of the polarizers. What is intensity of the light s..
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 132-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
A nonconducting thin layer carries charge with a uniform density of 8.40 µC/cm2. (a) What is the electric field 3.80 cm in front of the wall if 3.80 cm is small compared with the dimensions of the wall? magnitude and direction?
questionthree point charges are located on the y-axis a charge q at ya a charge -2q at the origin and a charge q at
A four-turn circular wire coil of radius 0.495 m lies in a plane perpendicular to a uniform magnetic field of magnitude 0.415 T. what is the average induced emf in the wire during this time
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