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Q1. A 2.5g copper penny is given a charge of -0.50 mC.
How many excess electrons make up this charge?
What is the percentage of the mass of these excess electrons to the mass of the penny?
Q2. A proton is travelling to the right at. It has a head-on perfectly elastic collision with a carbon atom. The mass of the carbon atom is 12 times the mass of the proton. What are the speeds of each after the collision? What is the direction of the proton after the collision? What is the direction of the carbon atom after the collision?
A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves.
What is closing equilibrium temperature of the tin-water
How much time is necessary for the torso to come to rest
Evaluate maximum altitude?
A 52.0 skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.90. What speed does he need at the bottom.
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
What frequency will hear after the train passes
Illustrate the role of the Sun's differential rotation in the formation of sunspots. Explain (briefly) the 22 year solar cycle, stating its essential features. Estimate the y-component of magnetic force.
What is mass of the ice cube
What is an acceleration of the car
The distance between deer B and C is 92 m. What is distance between deer A and C.
What will transform in terms of the observable properties of the black hole as this process continues
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