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(a) A 0.700 m long section of cable carrying current to a car starter motor makes an angle of 60.0° with the earth's 5.50 10-5 T field. What is the current when the wire experiences a force of 7.00 10-3 N?
A
(b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75 T field (perpendicular to the wire), what force is exerted on this segment of wire?
N
An objects angular momentum changes by 10 kgm^2/s in 2.0 s. What magnitude average torgue acted on this object
Assuming that the pass was thrown at the optimal 45 ^circ angle, evaluate what was the speed at which the ball left the quarterback's hand?
An experiment determines that there are 49 allowed rotational energies for a diatomic molecule whose moment of inertia is 2 x 10^-46 kg*m^2. What is the maximum rotational kinetic energy in eV of the molecule?
After a spacewalk, a 2.33-kg tool is left 58.9 m from the center of gravity of a 40.1-metric ton space station, orbiting along with it. How much closer to the space station will the tool drift
A light plane is headed due south with a speed of 190km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 137km, What is the wind velocity (magnitude)
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The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A boat has a mass of 6800 kg. Its engines generate a drive force of 4050 N, due west, while the wind exerts a force of 860 N, What is the magnitude and direction of the boat's acceleration
Show that the horizontal resultant of these two forces on the lamp is zero. Work out the weight of the lamp.
Find the probability that the electron will tunnel through the barrier.
An observation satellite orbits the planet at a height of 1000. What is the projectile's speed as it passes the satellite
A golf ball is dropped from rest from a height of 8.10 m. It hits the pavement, then bounces back up, rising just 5.60 m before falling back down again. calculate the total amount of time that the ball is in the air
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