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q1 a 500 g rubber ball is dropped from a height of 10 m and undergoes a completely elastic collision with the eartha what is the earths velocity
q1 suppose the gravitational force between two massive spheres is 100 n if the distance between the spheres is doubled what is the force between the
q1 a person is pulled to the right on a sled total mass of 543 kg across the surface of a frozen pond with a force of 866 newtons so that they move
q1 a carnot engine performs work at the rate of 430 kw while using 710 kcal of heat per second if the temperature of the heat source is 590degc at
q1 snoop in hot pursuit of the red baron is flying his vintage warplane in a loop-the-loop path his instruments tell him that plane is level at the
q1 a screen is placed 510 cm from a single slit that is illuminated with light of wavelength 677 nm if the distance between the first and third
q1 a child is sliding on a sled at 16 rm ms to the right you stop the sled by pushing on it for 080 rm s in a direction opposite to its motion if the
q1 a simple harmonic oscillator consists of a block of mass 180 kg attached to a spring of spring constant 107 nm when t 100 s the position and
q1 while a roofer is working on a roof that slants at 390 degrees above the horizontal he accidentally nudges his 930 n toolbox causing it to start
q1 consider a person of mass 72 kg what would his mass be if he was composed entirely of neutron-star material of density 3 times 1017 rm kgrm m3
q1 to push a 470-kg crate up a frictionless incline angled at 340deg to the horizontal a worker exerts a force of 369 n parallel to the incline the
q1 two identical 30 rm g particles each carry 30 rm mu c of charge one is held fixed and the other is placed 10 rm mm away and released find out the
q1 at the point of fission a nucleus with 98 protons is divided into two smaller spheres each with 49 protons and a radius of 74 10-15 m what is the
q1 light passes through a 230 linesmm grating and is observed on a 10m wide screen located 13m behind the grating three bright fringes are seen on
q1 if the focal length of the concave lens is -750 at what distance from the lens must an object be placed so that its image is formed 370 from
q1 what are sunspots and how are they related to the suns magnetic field is the magnetic field stronger weaker in sunspots how does the temperature
q1 a pipe open at one end has a fundamental frequency of 256 hz a second pipeidentical to first pipe is shortened by cutting off a portion of the
q1 a horizontal pipe contains water at a pressure of 150 rm kpa flowing with a speed of 16 rm ms the pipe narrows to one-half its original diameterq2
q1 a simple harmonic oscillator consists of the block of mass 190 kg attached to a spring of spring constant 196 nm while t 300 s position and
q1 a 150 kg object is held 120 m above a relaxed massless vertical spring with a force constant of 310 nm the object is dropped onto the springa how
q1 a vessel whose walls are thermally insulated contains 200 of water and 0550 of ice all at a temperature of 00 the outlet of a tube leading from a
q1 the longest string a thick metal wire on a particular piano is 30 m long and has a tension of 3000 n it vibrates with a fundamental frequency of
q1 monochromatic light from a distant source is incident on a slit 0750 rm mm wide on a screen 200 rm m away the distance from the central maximum of
q1 a ship sets out to sail to a point 128 km due north an unexpected storm blows the ship to a point 148 km due east of its starting point a how far
q1 a shell fired from a cannon has a muzzle speed the speed as it leaves the barrel of 800 fts the barrel makes an angle of 45o with the horizontal