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A proton, traveling with a velocity of 2.6 × 106 m/s due east, experiences a magnetic force that has a maximum magnitude of 5.4 × 10-14 N and direction of due south. What are the magnitude and direction of the magnetic field causing the force? If the field is up, then enter a number greater than zero. If the field is down, then enter a number less than zero.
In order to measure the radial velocity of a star (the speed of motion towards or away from us) what type of instrument would be used and how would the data be used to derive the velocity?
A mail bag with a mass of 124 kgis suspended by a vertical rope 8.0 mlong. How much work is done by the worker in moving the bag to thisposition
Astronomers have discovered a planetary system orbiting the star Upsilon Andromedae, which is at a distance 4.2 1017 m from the earth. what is the minimum necessary aperture diameter that a telescope must have
Let the drag force on a ball of mass m moving through air in the gravity-free bubble include both "viscous" drag F1=-kv, Find the velocity v of a ball thrown with initial speed v0.
A source delivers an AC voltage of the form ?v = 96.2 sin (66?t), obtain the frequency of the source
It collides with a 10,000 kg railway car resting at the bottom of the track with its brakes off. The two cars couple together and roll up the track to a height of h. find out h.
An electron with kinestic energy 1.8 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 27.0 cm, Find the period of the motion
A wire of thickness d = 1.9 mm is tightly wound in a single layer 200 times around a cylindrical core to form a solenoid (no space between its turns). evaluate the magnetic field at the center of the solenoid
A 12-m string is stretched between two fixed points. What is the wavelength of the second harmonic
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at =0 . It then oscillates with a period of 1.50 and a maximum speed of 58.0 . A What is the amplitude of the oscillation? B What is the glider's po..
A steel tank contains 314 g of ammonia gs (NH3 with molar mass 17.0 g/mol) at a pressure of 1.55 x 106 and a temperature of 51.4oC. What is the volume of the tank in liters
In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.
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