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a fill in the blanks in the following paragraph to identify the properties of mirrors and lenseslenses produce images
a what is the equation used to find the angle of refraction identify each variableb a light wave moves from diamond n
a few more questions 3 my teacher wasnt good at explaining thesea what are two equations for the energy of light
a few questions 2a what property of sound waves is related to pitchb what property of sound waves is related to volumec
consider the following scenario two equally massed objects with equal initial velocities collide with each other
a room in a space shuttle experiences catastrophic failure and loses its atmosphere to space the room which is 9m x 9m
a hose is pointing up at an angle of 30 from the horizontal and it is located 15 m above the ground the water reaches a
a 600-kg and a 900-kg skydiver jump from an airplane at an altitude ofnbsp600times103m600times103m both falling in the
a centrifugal machine rotates at 50000 rpm a particle is 20 cm away from the rotational center find the centripetal
compare camera to a eye by listing 4 of the basic components of the eye and the equivalent components of the camera
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 75nbspm3 how much work was done by the gas on the
question 1 a host oats in s lake when the host moves the force of resistance is proportional to the tlele-eitjpr of
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
a cannon can shoot whatever cannons shoot at different angles to the horizon but with the same initial velocity at what
a hollow sphere of radius 0250 m with rotational inertianbspinbsp 00790 kgmiddotm2nbspabout a line through its center
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 10-3nbspkgmiddotm2nbspis attached to an electric drill whose motor delivers
the angular momentum of a flywheel having a rotational inertia of 0849 kgmiddotm2nbspabout its central axis decreases
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
a block of material with a cross-sectional area of 15 cm2 and length of 80 cm is at hand a temperature difference of
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