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Question:
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.
(a) If a sample of gold with a mass of 3.379 g, is pressed into a leaf of 8.880 ?m thickness, what is the area (in m2) of the leaf? (b) If, instead, the gold is drawn out into a cylindrical fiber of radius 2.900 ?m, what is the length (in m) of the fiber?
When a person is given intravenous fluid, the bag containing the fluid is typically held about 0.8 m above the person's body. what is the pressure in the person's blood
The string changes from horizontal to vertical as it passes over a solid pulley of diameter 6.0cm. The pulley is free to turn on a fixed smooth axle. The vertical section of the string supports a 400 g object. The string does not slip at its conta..
question1a hot-air balloon is downward at a rate of 2.4 when a passenger drops a camera. if a camera is 48 above the
A hollow, conducting sphere with an outer radius of 0.254m and an inner radius of 0.199m has a uniform surface charge density of +6.18 × 106 C/m2. What is the new charge density on the outside of the sphere
A windmill has an initial angular momentum of 8220 kg•m2/s. Find the torque acting on the windmill
A car takes off from rest with a constant acceleration.After 5 seconds it is traveling at 20 m/s. What is the acceleration of the car
A jogger accelerates from rest to 3.99 m/s in 3.91 s. A car accelerates from 17.6 to 34.2 m/s also in 3.91 s. Discover the magnitude of the acceleration of the jogger.
Do an Internet search for additional instructions if your having difficulty. Try 'How to Make a Topographic Map' in Goggle
The objective lens in a microscope with a 21.0 cm long tube has a magnification of -50.0 and the eyepiece has a magnification of 15.0. What is the focal length of the objective
Assume that when you ride on your 7.60-kilogram bicycle the weight of you and the bicycle is supported equally by the two tires. compute what is your weight
The velocity of the transverse waves produced with an earthquake is 8.9 km/s, and that of the longitudinal waves is 5.1 km/s. A seismograph records the arrival of the transverse waves 73 s before the arrival of the longitudinal waves. How far away wa..
a proton of atomic mass 1u with a speed of 750 m/s collides elastically with another proton at rest. What is the final speed of the target proton after the collision
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