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For the following, consider the distinction between weight and mass when calculating each respective quantity.
(a) Calculate the weight, in Newtons (N), of a 3000-kg elephant on the surface of Earth.
(b) If John weighs 400 N on Earth, find his mass.
How much force is required to hold a 7.20 cm diameter hose delivering 470 L/min by a 0.73rm cm diameter nozzle.
What is the average velocity of a car that moved 60km in 3 hours
The image produced by a concave mirror is located 25 cm in front of the mirror. How far in front of the mirror is the object located
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall. (a) What is the mirror's focal length (include sign if negative)? (b) How tall is the pencil's ..
Suppose that 1.00 mole of an ideal monotomic gas begins at a temperature of 20.0 C. The gas starts at 1.00 atmosphere and triples the volume at constant pressure. What is the new temperature and how much work was done? How much heat was added or s..
A skier slides horizontally along the snow for a distance of 27 m before coming to rest. how fast was the skier going
lab 4 involves the roller coaster and its physics. this simulation can be downloaded from granthams website under
Very dangerous voltages can be found inside a TV set. Some adviserepairmen to work with one hand in a pocket. Why is a shock betweenyour two hands more dangerous then between two points on the samearm?
The resistance of a conductor is 19.2 ohms at 1.50 degress C and 25.0 ohms 91.0 degress C. What is the temperature coefficient of the resistance
A 6.30 kg block is pushed 9.45 m up a smooth 40 degree inclined plane by a horizontal force of 70 degrees north. Calculate the final kinetic energy of the block
A 450 loop circular armature coil with a diameter of8.0cm rotates at 120 rev/s in a uniform magnetic field of strength 0.55 T. What is the rms voltage output of the generator
A fast tortoise runs with a speed of 10.0 cm/s and a hare runs 20.0 times faster. They start a race together but the hare stops to rest for 2.00 minutes. What distance did the hare cover
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