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A 12 oz can of soda contains approximately 40 g (or a bit less than 1/4 cup) of sugar, a simple carbohydrate. What is the chemical energy in joules? How many Calories is this?
A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 50m/s. The bat does Wnc = 70J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m abo..
in the figure two curved plastic rods one of charge q and the other of charge -q form a circle of radius r in an xy
A girl pulls a 26 kg block 6.44 m along a level floor at constant speed with a horizontal force. If the coefficient of kinetic friction between block and floor is 0.25 , what is (a) the work done by the girl's force and (b) the increase in thermal..
The left ventricle of the heart accelerates blood from rest to a velocity of + 25.9 cm/s, How much time does blood take to reach its final velocity
How high is this object above the ground level, wherePE = 0?
A positron (q = +e) moves at 3.2 multiply.gif 107 m/s in a magnetic field of magnitude 0.46 T. What is the angle between the velocity and the field
question1a 30-kg girl is bouncing on a trampoline. throughout a certain interval after leaving surface of the
An underground pipe carries water of density 1000 kg/m^3 to a fountain at ground level. Calculate the speed of the water in the pipe
A certain lightbulb has a tungsten filament with a resistance of 18.9 ? when at 20.0°C and 139 ? when hot. Find the temperature of the hot filament
Your telescope has an objective lens with a focal length of 1.0 m. You point the telescope at the moon, only to realize that the eyepiece is missing. What is the angular magnification of the moon
A worker on top of a radar tower 21.8 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
A small object carrying a charge of -6.00 nC is acted upon by a downward force of 19.0nN when placed at a certain point in an electric field. What would be the magnitude and direction of the force
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