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Consider the following situation: you fire a tennis ball off the roof of a building of height h, with initial velocity magnitudev0 and angle θ. Show that the final velocity magnitude with which the ball hits the ground is independent ofθ.
A 4.30 capacitor that is initially uncharged is connected in series with a 7.90 resistor and an emf source with 225 negligible internal resistance. what is the voltage drop across the capacitor
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s. Find the components of the motorcycle's average acceleration during this process, aav,x and aav,y.
An infinitely long line of charge has a linear charge density of 7.00×10^?12 C/m. How close does the proton get to the line of charge
A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach
A proton and an electron are fixed in space with a separation of 957 nm. Calculate the electric potential at the midpoint between the two particles. Find the magnitude and direction of the electric field at the same point.
To get to a concert in time, a harpsichordist has to drive 123 miles in 2.03 hours. If he drove at an average speed of 55.0 mi/h in a due west direction for the first 1.22 h, what must be his average speed
The total electric flux from a cubical box 11.0cm on a side is 1580 N*m^2/C. what is the charge on the enclosed box
The task is to design a rocket which will accelerate a payload of mas 100 kg, from a velocity of 0 m/s to 6,000 m/s in intersteller space.
A merry-go-round starts from rest and accelerates with angular acceleration 1.2×10?2 for 13. What is its average angular speed during the spin-up time
What benefits does one provide over the other and what pitfalls must the professional be aware of?
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall, What is the index of refraction of the tank's walls
In an experiment, light of wavelength 600 nm falls on two slits which are spaced at a distance of .5 mm. What is the distance of the slit to the screen
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