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With what minimum speed must you toss a 190 g ball straight up to hit the 10 m-high roof of the gymnasium if you release the ball 1.3 m above the ground? Solve this problem using energy. With what speed does the ball hit the ground?
Find out the angle theta_1 through which the flywheel will have turned during the time it takes for it to accelerate from rest up to angular velocity omega_1.
An AC generator supplies an rms voltage of 230 V at 50.0 Hz. It is connected in series with a 0.600 H inductor, a 5.40 ?F capacitor and a 401 ? resistor. What is the peak voltage across the capacitor
after enough time has passed to allow the ice cube and water to come to equilibium, what is the tempreture of the water
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = ?28.0 cm). How far is the object from the converging lens
If a Mack truck with a mass mt = 20000 kg and a Honda Civic with a mass of mc=2000 kg have a head on collision and force upon the Mack truck is 1000 N
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.60 cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a 35.0° incident angle.
The output voltage of an AC generator is given by ?v = (200 V) sin (70?t). The generator is connected across a 19.0-? resistor. Find the power delivered to the resistor
Two protons are moving directly toward one another, When they are very far apart, their initial speeds are 2.77 106 m/s. What is the distance of closest approach
A mass spectrometer is used to examine the isotopes of uranium. Ions in the beam emerge from the velocity selector at a speed of 3.02 105 m/s and enter a uniform magnetic field of 0.625 T directed perpendicularly to the velocity of the ions.
Determine the phase and group velocities for a monatomic lattice. Plot the velocities versus the wave vector k and give a brief discussion of their significance.
A parallel-plate air capacitor with a capacitance of 236 has a charge of magnitude 0.13 on each plate. The plates have a separation of 0.33.What is the potential difference between the plates.
one point-like charge of -20 nc is placed 3 cm away from a very large planar sheet of charge. the surface charge
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