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A person weighs 695 {\rm N} in air however only 495 {\rm N} when standing in water up to the hips.
Discover the volume of each of the person's legs (in m3)
Discover the mass of each leg, assuming they have a density that is 1.05 times the density of water (in kg)
Consider two masses that hang from an overhead beam. The first mass of 62.9 kg is attached to the beam using an ideal rope. Find the tension in the lower rope
You are given a spherical mirror and wish to determine its properties. You place an object on its axis, 41.30 cm in front of it, Calculate the mirror's radius of curvature
An object with total mass mtotal = 15.8 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.6 kg moves up and to the left at an angle of ?1 = 19.0° above the –x axis with a speed of v1 = 27.8 m/s.
A 20. -kg lead sphere is hanging from a hook by a thin wire3.5m long, and is free to swing in a complete cirle. What must be the minimum intial speed of the dart
Charges of -11.5 nC and -22.1 nC are separated by 0.733 m. What is the potential midway between the two charges?
A man stands on the roof of a building of height 13.6m and throws a rock with a velocity of magnitude 31.8m/s at an angle of 31.6 degrees above the horizontal. compute the maximum height above the roof reached by the rock
If 42.8 cm of copper wire (diameter = 1.36 mm, resistivity = 1.69 x 10-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 11.9 mT/s
in a classical harmonic oscillator a particle with energy e moves oscillates in the classically allowed regionx lt
A refrigerator has a 1000 W compressor, but the compressor runs only 20% of the time, If electricity costs $0.10/kWh, what is the monthly (30 day) cost of running the refrigerator
At a carnival, you can try to ring a bell by striking a target with a 7.99-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.60 104 m/s, and the radius of the orbit is 5.00 106 m. What is the orbital speed of the second satellite
A car traveling initially at 53.5 km/h crashes into a brick wall. The front end of the car collapses, Find the horizontal force exerted on him by the seat harness
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