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Solve the all given parts of following problem:
Problem: Two equal point charges of +3.05 x 10-6 are placed 0.205 m apart.
Part I: What is the magnitude of the force each charge exerts on the other?
Part II: Is the force attractive or repulsive?
Please explain your all work and steps.
A 85 cm^3 block of iron is removed from an 800 degree Celsius furnace and immediately dropped into 200 ml of 20 degree celsius water
Approximately how many atoms thick is a cell membrane, assuming all atoms there average about twice the size of a hydrogen atom?
A laser pulse has an energy of 15 J and a beam radius of 2 mm. The pulse duration is 11 ns and the energy density is constant within the pulse. What is the spatial length of the pulse
A woman with mass of 55 kg stands at the rim of a horizontal table having a moment of inertia of 410 kg m2 and a radius of 1.6 m. How much work does the woman do ON THE TABLE to set it into motion
a thin double convex lens is to focus the image of an object onto a screen so that the image is life sized. how far is the screen from the object
A beam of light is incident from air on the ground of a liquid. Estimate the critical angle for the liquid when surrounded by air
A ball is thrown toward a cliff of height h with a speed of 31m/s and an angle of 60 degrees above horizontal. What was the maximum height of the ball
Two identical 1500 kilogram cars are moving perpendicular to each other. Find the total momentum of the system
A transformer on a pole near a factory steps the voltage down from 3600 V (rms) to 120 V (rms). calculate the power delivered to the primary
When its 75kW engine is generating full power, a small single engine airplane with a mass of 700 kg gains altitude at a rate of 2.5 m/s. what fraction of the engine power is being used to make the air plane climb.
The 200 g head of a golf club moves at 40 m/s in a circular ARC of 1.2 m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of swing? Ignore the mass of the club's shaft.
A radioactive isotope has an activity of 8.44 mCi. After 4.00 hours the activity is 5.40 mCi. What is the half-life of the isotope
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