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the mass of a copper atom is 106 times 10-25 kg and the density of copper is 8 920 kgm3a determine the number of atoms
consider a particle of mass m m 160kg kg revolving around an axis with angular speed omega the perpendicular distance
a sprinter running the 100 m dash has a constant acceleration of 28 ms2 for the first 42 seconds of the race when he
determine the wavelength of an electromagnetic wave with a frequency of 35243 mhz use 29979x108 ms as speed of light
what is the energy of the photon that when absorbed by a hydrogen atom could cause the followinga an electronic
an object is placed a distance of 135 cm to the left of a thin converging lens of focal length f 660 cm and a concave
a thick glass container n 1526 with inner and outer vertical walls has its interior filled with water n 1337 and has
an object is in front of a diverging lens with a focal length ofnbsp-190nbspcmnbspthe image seen has a magnification
a 2 kg starts at rest and slides down from the top of a curved rampthe block encounters an unstretched spring with a
an object falls of a pier and into the ocean sea water where it displaces a total volume of 26 cubic meters of sea
a 0036 kg aluminium bullet travelling 430 ms strikes an armor plate and comes to a stop if all its energy is converted
an iron tower is 331 meters tall on a cold day t -83 degrees celsius what is the final height total of the tower on a
two equal size boxes a and b contain ideal gases an inserted thermometer shows ta 50c and tb 10c this is all we know
the air inside a bicycle tire pump has 151 joules of work done on it as 768 joules of heat is conducted away from it
a bungee cord is stretched between two poles with a force of 367n the length of the cord is 33 meters and it has a mass
a 50 newton horizontal force pushes a 10 kilogram mass sitting on a horizontal surface towards the right additionally
a solenoid with cross sectional area of 10 x10-5 m2 and length 15 x 10-3 m is connected in parallel with a fully
iron tower is 325 meters tall on a cold day t -63 degrees celcius what is the final height total of the tower on a hot
two slits are illuminated with red light 650 nm the slits are 025 mm apart and the distance to the screen is 125 m
please help must show workwhat is archimedes principle a material has a mass of 45 grams and a volume of 40 milliliters
please help must show worka what is the net force acting on an object with a mass of 10 kilograms falling at a constant
please help must show worka assume that a 6 volt battery is in a series circuit with resistances of 2 ohms 3 ohms and
a car starts from rest at a stop sign it accelerates at 20 ms2 for 57 seconds coasts for 23 s and then slows down at a
125 ls of water is to be pumped through a steel pipe 25 mm diameter and 30 m long to a tank 12 m higher than its
a ball of mass 62 g moves with a speed of 48 ms if its speed is measured to an accuracy of 019 what is the minimum