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A cannonball is shot (from ground level) with an initial horizontal velocity of 33 m/s and an initial vertical velocity of 24 m/s. What is the speed of the cannonball 3.3 seconds after it was shot? How high above the ground is the cannonball 3.3 seconds after it is shot?
Physics two skaters with masses of 65 kg and 45 kg, respectively stand 8.0 m apart each holding one end of a rope. If they pull themslevles along the the rope until they meet explain how far does each skater travel?
A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.4 10-6 T. What is the intensity S of the wave
A 0.40-kg iron horseshoe is dropped into 1.15L of water in a 0.34-kg iron pot initially at 20.0?C. Determine the initial temperature of the hot horseshoe.
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
A ball of mass 0.55 kg moves around a vertical circle of radius 1.2 m. Find the tension of the string T
During a thunderstorm, winds with a speed of 49.4 m/s blow across a flat roof with an area of 751 m2
A woman has a mass of 59 kg, What is her weight on earth and What are her mass and her weight on the moon
An ice block is pushed horizontally on a frictionless surface with initial velocity v0. At some point, it comes to the nearly semicircular bump with a radius R=0.42m and the height h=0.33m above the ground.
A car moves with a constant acceleration of 2.1 m/s2. At a time of 1 s, it is 170 m beyond a mile marker, Find the car's position after the mile marker at time 5 s
A uniform stick of length L = 1.8 m, width W = 10.0 cm, and mass M = 4.8 kg oscillates as a physical pendulum, Calculate the minimum value of the period of the pendulum
At which angle will the photon scatter with respect to its original direction? (The accepted unit abbreviations for angles are either 'deg' for degrees or 'rad' for radians.)
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