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Pressure cookers have been around for more than 300 years, although the early ones had a nasty habit of exploding. Determine how much force must the latches holding the lid onto a pressure cooker be able to withstand if the circular lid is 20 centimeter in diameter and the gauge pressure inside is 3.10 atm? Ignore the weight of the lid.
A person walks into a room that has two flat mirrors on opposite walls. The mirrors produce multiple images of the person. Consider only the images formed in the mirror on the left.
A man is pulling his box that has a mass of 22 kg. What is the work done on the luggage by the lady, What is the power exerted on the box by the man
A capacitor with air between its plates is charged to 130 V and then disconnected from the battery. Whena piece of glass is placed between the plates, the voltage acrossthe capacitor drops to 25 V. What is the dielectric constant of the glass?
On a very muddy football field, a 117 kilogram linebacker tackles an 86 kilogram half back. Find what is the velocity at which the two players move together immediately after the collision
find the highest distance throughout which his center of gravity can fall without his breaking a bone.
a 9.0 kg mess kit sliding on a frictionless surface explodes into two 4.5 kg parts one moving at 3.0 ms due north and
a hockey player makes a slap shot exerting a force of 30 n on a 0.115 kg hockey puck for 0.16 seconds. how fast is it
In a double slit experiment, monochromatic light of wavelength 660 nm passes through a pair of slits separated by 3.40 x 10-5 m. find the angle corresponding to the first bright fringe
A town needs about 20 Megawatts of power and the transmission station is 10 kilometer away. Determine the power lost in the electrical lines if the voltage supplied to the town is 50,000 Volt
A skier, weighing 453 n, is skiing down a slope that has an incline of 29 degrees above the horizontal. Compute the acceleration of the skier (coefficient of kinetic friction between the skis and snow is 0.21)
two forces fa and fb are applied to an object whose mass is 5.00 kg. the larger force is fa. when both forces point due
a 2.5 meter long elastic cord is fixed at both ends.a if the cord is vibrated at a frequency of 35-hz a n3 standing
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