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The temperature of your skin is approximately 36oC.
What is the wavelength at which the peak occurs in the radiation emitted from your skin?
Answer in units of nm.
A cylinder contains 18 moles of a momatomic ideal gas at a constant pressure of 160 kpa.
A cylinder contains 3.1 L of oxygen at 310 K and 2.5 atm . The gas is heated, causing a piston in the cylinder to move outward. What is the gas pressure
A violent rainstorm dumps 0.9 cm of rainon a city 3 km wide and 6 km long in a 2 h period. How many metric tons (1 ton= 103 kg) of water fell on the city?
A solid, horizontal cylinder of mass 7.1 kg and radius 0.57 m rotates with an angular speed of 5.84 rad/s about a fixed vertical axis through its center. What is the final angular speed of the system
Two point charges, +5.0 µC and ?3.0 µC, are separated by 4.0 m. What is the electric potential energy?
A basketball player is standing on the floor 10.0 m from the basket. The height of the basket is H = 3.05 m, and he shoots the ball at an angle, ? = 36.4°, with the horizontal from a height of h = 1.82 m.
1. A 50.0 kg block is pulled from rest by a force of 1000.0 N at an angle of 37.0° across a horizontal rough surface over a distance of 5.60 m. The coefficient of kinetic friction between the block and the surface is 0.500.
A flywheel has a constant angular deceleration of 2.2 rad/s2. Find the time for the flywheel to come to rest
An initially uncharged 3.87-?F capacitor and a 6.99-k? resistor are connected in series to a 1.50-V battery that has negligible internal resistance. What is the initial current in the circuit, expressed in milliamperes?
A 2.30-MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. Calculate the speed of the fetal heart wall at the instant this measurement is made
The acceleration due to gravity on the Moon is about one-sixth what it is on Earth. how many times higher will it go than it would on Earth
A stick of mass m and length L spins with frequency w around an axis, What is the tension in the string, and what is the force that the pivot applies to the stick
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