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At a certain point on Earth's surface in the southern hemisphere, the magnetic field has a magnitude of 5.1 10-5 T and points upward and toward the north at an angle of 58° above the horizontal. A cosmic ray muon with the same charge as an electron and a mass of 1.9 10-28 kg is moving directly down toward Earth's surface with a speed of 4.0 107 m/s. What is the magnitude and direction of the force on the muon?
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.66 m, How much energy does our body lose in one second
What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
An ideal Voltmeter is connected across the terminals of a 12 Volt battery and a light bulb with R = 4.5 ohms is also connected across the battery terminals, Find the power generated by the Emf of the battery
Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500
a plane locked on cruise control flying due east at 300ms but its resultant velocity is 300.66ms at 3.8 south of east.
You throw a 13.0N rock into the air from ground level and observe that, when it is 13.0m high, Use the work-energy principle to find the maximum height the rock will reach
If 70% of a radioactive sample has decayed in 5.0 x 103 years, what is the decay constant of the material
82 L of an ideal monatomic gas is at an absolute pressure of 4.2 atm when the temperature is 25 C. what is the change in the internal energy of the gas
What is magnitude of the speed of the boat relative to a stationary shore observer. A person stands at a point that is 4 m from one of the speakers and 4.4 m from the other. Does the person hear the tone? Explain.
A coffee filter of mass 1.2 grams dropped from a height of 3 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did air molecules gain from the falling coffee filter.
You were driving a car with velocity ‹ 19, 0, 11 › m/s. You quickly turned and braked, and your velocity became ‹ 13, 0, 15 › m/s. The mass of the car was 1200 kg. What was the (vector) change in momentum
A butterfly flies from the top of a tree in the center of a garden to rest on top of a flower at the garden's edge. Determine the magnitude of the butterfly's displacement
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