What is the electric force acting on the alpha particle
An alpha particle (charge = +2e) is sent at high speed toward a nucleus (charge = 74e). What is the electric force acting on the alpha particle when it is 2 10-14 m from this nucleus?
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What role grants play in human services field?
An 6.8kg ball, hanging from the ceiling by a light wire 145cm long. Find the tension in the wire just after the collision.
How do the properties of water and dissolved salts affect the physical and chemical properties of seawater?
An archer shoots an arrow at 21.6 m/s at an angle of 36.2 degrees. Assuming air resistance is negligible, calculate the impact speed of the arrow.
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The electric attraction between the two objects provides the centripetal force to keep the particle in orbit. The orbital speed of the particle is 6.510e+4 m/s. What is the charge on the sphere?
Which of the following distinguishes sponges from other invertebrates?
If the duration of the collision was t=.003s, find the average force (Magnitude and Direction) exerted on the potato by the bullet.
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What are the bodies first and second line of defence? How was there a break in John's first and second line of defense?
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