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A 0.145-kg baseball pops straight up from the ground at 21.4 m/s.
(a) What maximum height does it reach?
(b) Find the work done by gravity on the baseball during its upward flight.
(c) Find the work done by gravity for the entire round trip, from launch to when the ball hits the ground.
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
Using the experimentally determined n for the glass plate, compute the speed of light in the glass plate
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.5rad/s^2 for 6.9s, Find the total number of revolutions turned
An object with a mass of 33.0 g displaces 870.0 ml of water when it is completely immersed. What is the buoyant force on the mass? (Use g=9.8 N/kg as necessary.)
A 750kg research submarine lies at the bottom of a lake. Its volume is 3.1*10^5cm^3. How much force is needed to lift it by a cable
A 2.0 kg object moving with a velocity of 5.0 m/s in the positive x direction strikes and sticks to a 3.0 kg object moving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision
Neptune is an average distance of 4.50 x 109 kilometer from the Sun. Find the length of the Neptunian year given that the Earth is 1.50 x 108 kilometer from the Sun on the average
Find the electric field in the two regions III and IV. Find the charge on the inner and outer surfaces of the conducting shell.
An electrical heating coil is immersed in 4.0kg of water at 21 degrees C. What is the potential difference at which the coil operates
What is the Fourier transform of the 2-term wavelet f(t) = (4,2,1). Calculate this on paper (show your work) and graph the amplitude and phase spectra for this wavelet.
A projectile is launches at 45.0o with the horizontal. Its initial speed is 250. m/s. How far from the initial position on the ground will the projectile land
The coldest and hottest temperatures ever recorded in Switzerland are -43.2 F (231 K) and 106.7 F(315K) respectively. What is the speed of sound in air at each temperature
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