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Question1
A piece of copper wire has a resistance per unit length of6.1510-3? /m. The wire is wound into a thin, flat coil of numerous turns that has a radius of0.180m. The ends of the wire are linked to a 12.0-V battery. Find out the magnetic field strength at the center of the coil.
Question2
Establish relative humidity if vapor pressure is 6mb and saturation vapor pressure is 24mb.
Find out relative humidity if vapor pressure is 12mb and saturation vapor pressure is 12mb.
Establish relative humidity if mixing ratio is 10g/kg and temperature is 25 degrees Celsius.
Question3
A student (m = 59 kg) falls freely from rest and strikes the ground. Throughout collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by ground is +18000 N, where the upward direction is taken to be the positive direction. From what height did the student fall? Suppose that the only force acting on him all through the collision is that due to the ground.
Use the worked example above to help you solve this problem. A tortoise and rabbit engage in a footrace over a distance of 3.70 km. The rabbit runs 0.400 km, then stops for a 83.0-min nap. Upon awakening, he remembers the race, and runs twice a..
The driver of a car slams on the brakes when he sees a tree blocking the road. With what speed does the car then strike the tree
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision.
An observer moving toward Earth with a speed of 0.96 notices that it takes 5.2 for a person to fill her car with gas. Assume, in its place, that the observer had been moving away from Earth with a speed of 0.80.
An object moves with constant acceleration 3.55 m/s2 and over a time interval reaches a final velocity of 12.8 m/s.
assume you would enter a vacuum chamber (on Earth), that is, a chamber with no air in it. Inside this chamber, if you dropped a hammer and a feather from the same height at the same time, both would hit the bottom at the same time.
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. What is the acceleration of the rising balloon
Determine the magnitude and direction of the force between two parallel wires 15m long and 6.0cm, Determine the magnitude of the force between two parallel wires
A 16.5 kg gold bar at 27 °C is placed in a large, insulated 0.800 kg glass container at 15°C with 2.00 kg of water at 25.0°C. Compute the final equilibrium temperature.
If the initial temperature of the horseshoe is 600?C, and initial temperature of the water is 40?C, what is the equilibrium temperature of the system? Suppose no heat is exchanged with the surroundings.
You are asked to design a spring that will give a 1310-kg satellite a speed of 3.50 m/s relative to an orbiting space shuttle, What must the force constant of the spring be
Two long, straight wires cross each other at right angles, and each carries same current. Which of the following statements are true regarding the total magnetic field at the various points due to the two wires.
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