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at 19degc a rod is exactly 2010 centimeter long on a steel ruler both the rod and the ruler are located in an oven at
a certain substance has a mass per mole of 60 gmol when 320 joule is added as heat to a 25 gram sample of this material
determine the minimum amount of energy in joules required to completely melt 135 gram of silver initially at
a 150 grams copper bowl contains 195 gram of water both at 20degc a very hot 300 gram copper cylinder is dropped into
there are many evaluates of the number of stars in the universe one evaluate is that there are 1010 stars in the milky
a typical sound level for a buzzing mosquito is 40 db and that of a vacuum cleaner is approximately 70 db obtain how
a 5309 watt space heater is designed for operation in germany where household electrical outlets supply 230 volt rms
a 036 kilogram ball moving in the x direction at 178 meter per second is hit by a bat its final velocity is 233 meter
an object is placed 54 cm in front of a converging lens f 36 centimeter compute where the image is
a crate weighs 10 newton and is being pulled along the floor a constant velocity with a force of 2 newton estimate what
there is a potential difference of 13 volt between the ends of a 10 centimeter long graphite rod that has a
two charges of identical magnitude exert an attractive force of 25 x 10-4 newton on each other if the magnitude of each
a 18 meter tall man is 6 meter from the converging lens of a camera his image appears on a detector that is 60
a rocket accelerates at a rate of 125in the northeast direction the x-component of the acceleration is 12a sketch the
a plane flies with a velocity of 345 meter per second making an angle of 48o with the horizontala draw the vector
a vehicle drives 50 miles west and then heads 154 miles northa draw the vector additionb obtain the magnitude of the
a polarized light beam with a 641 millimeter diameter circular cross section is perpendicularly incident on an ideal
a 075 mf capacitor is charged to 50 volt it is then connected in series with a 55 omega resistor and a 110 omega
a scholars open a 12 kilogram door by applying a force of 40 newton at a perpendicular distance of 090 meter from the
consider the father pushing a playground merry-go-round he exerts a force of 250 newton at the edge of the 50 kilogram
a diatomic gas does 3903 joule of work and also absorbs 2426 cal of heat estimate the change in internal energy of the
assume that you needed to make a pen for some small animals you have 12 m of fencing you decide to make a circular pen
the brick wall of thermal conductivity 11 wmbulloc of a building has dimensions of 28 meter by 15 meter and is 9