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a 600-kg and a 900-kg skydiver jump from an airplane at an altitude of 600times103m600times103m both falling in the
a centrifugal machine rotates at 50000 rpm a particle is 20 cm away from the rotational center find the centripetal
a host oats in a lake when the host moves the force of resistance is proportional to the velocity of the heat initially
a cars engine has an efficiency of 12 if the car has a 120 hp engine how much energy is lost to heat every
a gas experiences isobaric expansion at 20 atm from 42 m3nbspto 75nbspm3nbsp how much work was done by the gas on the
the angular momentum of a flywheel having a rotational inertia of 0849 kgmiddotm2nbspabout its central axis decreases
what happens on a momentum experiment when stationary cart b has double the mass of moving cart a what type of
how fast do you have to throw a 10 kg object from the earths surface so that this object makes it halfway to the moon
how do you measure uncertainty when doing a measurements
a hollow sphere of radius 0250 m with rotational inertia i 00790 kgmiddotm2 about a line through its center of mass
suppose that a well-insulated room has a glass window that is 20 m high and 39 m wide what is the rate of heat flow per
a sanding disk with rotational inertia 87 x 10-3 kgmiddotm2 is attached to an electric drill whose motor delivers a
what are the benefits of high saturation magnetization for soft magnetic materials in applications like
a grindstone used to sharpen tools is rotating at an angular speed of 800 rads when an axe is pressed against it
double-glazed windows are usually made of two glass panes with a thin layer of air sealed between the panesa why do
a simple device that is used to test the strength of antifreeze in cars consists of a small tube that has several small
how does one find the volume fraction of a block that is submerged in both water and oil oil on top and both water and
compare and contrast bergmanns rule and allens rule which is more anrelevant in the field of ecology d
using the concept of acceleration explain how a swimmer can have a better time for a 100-m race in a 25-m pool than in
could you please help me with this questionto the observer pole vaulting may seem fairly simple but to a physicist much
a 0300-kg puck initially at rest on a horizontal frictionless surface is struck by a 0200-kg puck moving initially
a in what frames of reference does special relativity applyb in what frames of reference must general relativity be
what conditions are required for nuclear fusion that prevent it from being used to generate electric
a what happens to a radioactive isotope over the course of 1 half-lifeb how does the half-life of an isotope relate to
1 what is the equation used to find the image distance identify each variable2 an object is located 250 cm from a