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a classmate throws a 13-kg book from a height of 12 m above the ground straight up into the air the book reaches a
an iron cable 80cm in diameter and 25 m long stretches 127 cm under a 5100n load a mole of iron has a mass of 56 grams
a small block with mass m3 kg is on the right of the large block and is initially a distance d14 m above the ground the
you discover a planet orbiting a distant star that has roughly the same mass as the sun your observations show that the
a block of mass m18 kg slides along the inside of a hemispherical bowl of radius r08 m when the block is at an angle of
how much energy does a 100 watt light bulb use in 1 hour express your answer in joules also find how much money it
a geiger counter registers a count rate of 8000 counts per minute from a sample of a radioisotope the count rate 24
a panda molly decides to take a slide down an incline plane she starts at the top her initial speed is 0 ms her mass is
a light year is defined as the distance light can travel at 3 x 108 ms in one year 365 days how far is one light year
the rest energy of a particular subatomic particle is 1200 mev if this particle is traveling at 90 the speed of light
a thick cylindrical shell of inner radius a 5 cm and outer radius b 10 cm and has a net charge zero a thin line with a
a bat hits a moving baseball if the bat delivers a net eastward impulse of 08 n-s and the ball starts with an initial
in 1974 physicist gerard k oneil proposed a cylindrical space station that would rotate about its central axis to
a satellite is in a 950 min period circular orbit 380km above earths surfacepart a find the satellites speedpart b find
a 890 kgcar is at the top of a 30m-long 25degreeincline its parking brake fails and it starts rolling down the hill
a weightlifter lifts 50 kg a total vertical distance of 028 m at a constant speed in 100 seconds what power was
a 771 kg man is riding an escalator in a shopping mall the escalator moves the man at a constant velocity from ground
capacitors c1 580 microf and c2 240 microf are charged as a parallel combination across a 250 v battery the
a softball of mass 0220 kg that is moving with a speed of 55 ms in the positive direction collides head-on and
a block of mass m is sliding down a rough inclined plane with constant velocity v the plane has angle theta with the
superheated water vapor initially at 15 bar and 440degc is cooled at constant pressure to a saturated vapor state and
in the cavendish balance apparatus suppose that m1100 kg m2 200 kg and the rod connecting each of the pairs of masses
a 0642 kg basketball is dropped out of a window that is 642 m above the ground the ball is caught by a person whose
a typical aaa battery has stored energy of about 3400 j battery capacity is typically listed as 625 ma h meaning that
a weightless spring with spring constant k1 hangs from an elevated support from its lower end hangs a second weightless