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a cylinder of gas at room temperature 20 degree c has a pressure p1 to what temperature in degrees celsius would the
a 42kg objectinitially at restexplodesinto three objects of equal masstwo of these aredetermined to have velocities of
a camper is trying to start a fire by focusing sunlight onto apiece of paper the diameter of the sun is 139 x109 m and
a slide projector has a converging lens whose focal length is11700 mm a how far in meters fromthe lens must the screen
to help prevent frost damage fruit growers sometimes protecttheir crop by spraying it with water when overnight
the owner of a van installs a rear-window lens that has a focallength of -0330 m when the owner looks out through the
a drum rotates around its central axis at an angular velocity of108 rads if the drum then slows at a constant rate of
in an isometric exercise a person places a hand on a scale and pushes vertically downward keeping the forearm
a gymnast is performing a floor routine in a tumbling run shespins through the air increasing her angular velocity from
starting from rest a 94-kg firefighter slides down a fire polethe average frictional force everted on him by the pole
consider a perfectlyelastic collision between two objects of equal mass object 1 is initially moving with a velocity v
the drawing shows an a-shaped ladder both sides of the ladder areequal in length this ladder is standing on a
a cyclist traveling at 5 ms uniformly accelerates up to 10 ms in20 sec each tire of the bike has a 35 cm radius and a
a freight car with a mass of 2500 kg rolls down an inclinedtrack through a vertical distance of 15m at the bottom of
a laser emits a cylindrical beam of light 13 mm in diameter if the average power of thelaser is 39 mw what is the rms
a volleyball is spiked so that incoming velocity is 37ms is changed to an outgoing velocity of -16 msthe mass of the
an object initially at rest explodes in two fragments of masses 35 kg and 63 kg that move in diametrically opposite
a particle is uncharged and is thrown vertically upward from ground level with a speed of 250ms as a result it attains
a 92 kg man climbs onto a car worn out shock absorbers and thiscauses the car to drop down 45 cm as he drives along he
the energy in a lightning bolt is enormous consider forexample a lightning bolt in which 29c of charge moves through
a long air-core solenoid of 420 turns length 32 cm anddameter 30 cm carries a current 30 a at certain time the current
a stone is thrown horizontally at a speed of 50ms from thetop of a cliff that is 784m high how long dies it take the
in an lc circuit where l 25 mh and c 18 muf with anelectromagnetic oscillation the maximum charge on the
a firecracker in a coconut blows the coconut into three pieces two pieces of equal mass fly off south and
the moment of inertia of a 092 kg bicycle wheel rotating about its center is 0139 kg m2 what is the radius of this