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A ball is thrown straight upward with an initial speed of 25 m/s. Assuming there is no air resistance, how high does the ball go before falling back down? Show all work.
A transformer has a primary coil with 1200 turns and a secondary coil with 225.0 turns. what is the voltage output from the secondary coil
A 1-megabit computer memory chip contains many 60.0 fF capacitors. Each capacitor has a plate area of 21.0x10-12 m2. Express the plate separation in nanometers
The source of our Sun's energy is a series of fusionreactions. Mainly, four protons become a helium nucleus plus twopositrons, plus two neutrinos (which have no rest mass), plusenergy which is radiated.
q1. a rectangular conducting loop of wire is approximately half-way into a magnetic ?eld b out of the page and is free
X rays with a wavelength of 0.14 nm undergo first-order diffraction from a crystal at a 70^\circ angle of incidence. What is the angle of second-order diffraction
What is the piston height if the temperature is 30C. How far apart are the plates if there's air between them.
Lightning can be studied with a Van de Graaff generator, which consists of a spherical dome on which charge is continuously deposited by a moving belt, What is the maximum potential of the dome
A ball on a porch rolls 60cm to the porch's edge, drops 40cm, continues rolling on the grass, and eventually stops 80cm from the porch's edge. What is the magnitude of ball's total displacement, in centimeters.
The 2.0 kg, 20 cm diameter disk is spinning at 320 rpm. How much friction force must the brake apply to the rim to bring the disk to a halt in 2.0 s.
A long hollow nonconducting cylinder (radius R = 0.060 m, length l = 0.70 m) carries a uniform charge per unit area of = 4.0 C/m2 on its surface. Find the net power entering the interior volume of the cylinder
A rail car that weighs 40 N is accelerated at 6.9 m/s/s for 4.9 seconds. How much work is done on the rail car
A heat of 4.3*10^6KJ is req to convert a block of ice at -15deg C into water at 15deg C. What is mass of ice
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