A women of mass 60kg is wearing spiked heels with a square spike on the bottom...
A women of mass 60kg is wearing spiked heels with a square spike on the bottom of 1 cm on a side. What is the pressure, in 10^4 N/m^2, on the floor when all her weight is on one heel?
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A women of mass 60kg is wearing spiked heels with a
square spike on the bottom...
1) Suppose that a woman weighing 150 lbs and wearing high-heeled shoes momentarily places all her...
1) Suppose that a woman weighing 150 lbs and wearing high-heeled shoes momentarily places all her weight on the heel of one foot. a) If the area of the heel is 0.55 in2, calculate the pressure exerted on the underlying surface in pounds per square inch. Express the answer in pounds per square inch to two significant figures. 2) A sample of gas (24.2 g) initially at 2.00 atm was compressed from 8.00 L to 2.00 L at constant temperature....
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x...
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x 10.5 cm x 27.5 cm. (Assume the density of gold is 1.93 x 104 kg/m3.) 18. 3x Your response differs from the correct answer by more than 10%. Double check your calculations. kg Need Help? Read It Master It Talk to a Tutor Submit Answer Practice Another Version 3.34/5 points Previous Answers SerPSE8 14.P.003.WI. B My Notes A 54.0-kg woman wearing high-heeled shoes is...
One mole of titanium (6 1023 atoms) has a mass of 48 grams, and its density...
One mole of titanium
(6
1023
atoms) has a mass of 48
grams, and its density is 4.54
grams per cubic centimeter, so the center-to-center distance
between atoms is 2.60 10-10
m. You have a long thin bar of titanium,
3.0
m long, with a square cross section, 0.15
cm on a side.
You hang the rod vertically and attach a 142
kg mass to the bottom, and you observe that the bar becomes
1.55
cm longer. From these measurements,...
1) (Modified problem 21.58) A large room has a square floor, length 6.00 m to a...
1) (Modified problem 21.58) A large room has a square floor, length 6.00 m to a side. Due to static electricity (and improper construction practices), the surface of the floor carries a small excess positive charge, uniformly distributed over its area. A speck of dust with charge 15.0 uC and mass 5.00 g hovers, suspended over the floor by its electrostatic n from the floor (located close to the floor; not near one of the edges of the room). What...
An elephant that has a mass of 5000 kg evenly distributes her weight on all four...
An elephant that has a mass of 5000 kg evenly distributes her weight on all four feet. 1) If her feet are approximately circular and each has a diameter of 45 cm, estimate the pressure on each foot. (Express your answer to two significant figures.) kPa Submit 2) Calculate the pressure on each feet of the man im 74 kg) when he is standing up. Assume that the square of each feet is 250 cm. (Express your answer to two...
1. The mattress of a water bed has a length of 2.00 m, a width of...
1. The mattress of a water bed has a length of 2.00 m, a width of 2.00 m and a depth of 30.0 cm. Find the weight of the water on the mattress and find the pressure exerted by the water on the floor when the bed is in its normal position. Assume that the entire lower part of the bed makes contact with the floor. The water in the mattress has a mass of: a) 1000 kg b) 1200...
ROUND ALL NUMERICAL ANSWERS TO 3 SIGNIFICANT FIGURES UNLESS OTHERWISE 15. Waiter is moving with a...
ROUND ALL NUMERICAL ANSWERS TO 3 SIGNIFICANT FIGURES UNLESS OTHERWISE 15. Waiter is moving with a speed of 12.0 m's through a normal ylindrical pipe with cross-sectional radius of 1 W π cm. The water gradally falls 10 m and at that point the pipe has become square, i.e. having a square cross section, with side of 7.5 mm (a) What is the speed at the lower level? (pay very careful atention to the unitst) (b) If the pressure at...
. A square piece of alumininum with as mass of 5.4 has a l length of...
. A square piece of alumininum with as mass of 5.4 has a l length of 2 em and a thickness of 5 mm. What is the density of the piece of aluminium in·[/ A ball is thrown into the air with a velocity of Sm/s from on top of a 36 m building. How long does it take the ball to hit the ground? 10. If Samantha ran a distance of 10 m in a direction 30 north of...
20.) A 10.0 kg mass is attached to the end of a 2.00 m long brass...
20.) A 10.0 kg mass is attached to the end of a 2.00 m long brass rod, which has a diameter of 1.00 mm and negligible mass. The mass at the end is pulled, stretching the rod slightly, and then released. If the elastic modulus of brass is 9.10 × 1010 N/m2, then the frequency of the resulting oscillations is. ___Hz 19.) A U-shaped manometer, filled with a liquid of unknown density, is connected on one side to a vessel...
A vertical piston filled with air has an object with mass of 945.0 grams placed on...
A vertical piston filled with air has an object with mass of 945.0 grams placed on the top. the atmospheric pressure is 1.013*10^5 Pa. The piston is round with a radius of 4.5 cm. what is the pressure of the air in the piston? B) The same piston but without the weight on top is lower into a clear lake. When it is 1.2 m below the surface what is the weight of the water directly above the piston? (Dwater...
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x 10.5 cm x 27.5 cm. (Assume the density of gold is 1.93 x 104 kg/m3.) 18. 3x Your response differs from the correct answer by more than 10%. Double check your calculations. kg Need Help? Read It Master It Talk to a Tutor Submit Answer Practice Another Version 3.34/5 points Previous Answers SerPSE8 14.P.003.WI. B My Notes A 54.0-kg woman wearing high-heeled shoes is...
One mole of titanium
(6
1023
atoms) has a mass of 48
grams, and its density is 4.54
grams per cubic centimeter, so the center-to-center distance
between atoms is 2.60 10-10
m. You have a long thin bar of titanium,
3.0
m long, with a square cross section, 0.15
cm on a side.
You hang the rod vertically and attach a 142
kg mass to the bottom, and you observe that the bar becomes
1.55
cm longer. From these measurements,...
1) (Modified problem 21.58) A large room has a square floor, length 6.00 m to a side. Due to static electricity (and improper construction practices), the surface of the floor carries a small excess positive charge, uniformly distributed over its area. A speck of dust with charge 15.0 uC and mass 5.00 g hovers, suspended over the floor by its electrostatic n from the floor (located close to the floor; not near one of the edges of the room). What...
An elephant that has a mass of 5000 kg evenly distributes her weight on all four feet. 1) If her feet are approximately circular and each has a diameter of 45 cm, estimate the pressure on each foot. (Express your answer to two significant figures.) kPa Submit 2) Calculate the pressure on each feet of the man im 74 kg) when he is standing up. Assume that the square of each feet is 250 cm. (Express your answer to two...
ROUND ALL NUMERICAL ANSWERS TO 3 SIGNIFICANT FIGURES UNLESS OTHERWISE 15. Waiter is moving with a speed of 12.0 m's through a normal ylindrical pipe with cross-sectional radius of 1 W π cm. The water gradally falls 10 m and at that point the pipe has become square, i.e. having a square cross section, with side of 7.5 mm (a) What is the speed at the lower level? (pay very careful atention to the unitst) (b) If the pressure at...
. A square piece of alumininum with as mass of 5.4 has a l length of 2 em and a thickness of 5 mm. What is the density of the piece of aluminium in·[/ A ball is thrown into the air with a velocity of Sm/s from on top of a 36 m building. How long does it take the ball to hit the ground? 10. If Samantha ran a distance of 10 m in a direction 30 north of...
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