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A stone is thrown vertically downward from a cliff 186 meter tall. During the last half second of its flight, the stone travels a distance of 48.9 meter. Estimate the initial speed of the stone.
A simple harmonic oscillator takes 12.0 s to undergo six complete vibrations.
1. a compact disk spins with angular velocity 43.5rads . the player is turned off and 2.95s later the cd has
An empty 1150 kilogram van has its Center of Mass (CM) 2.30 meter behind the front of the car. Determine how far from the front of the van will the CM be when two people sit in the front seat 2.80 meter from the front of the car
a refracting telescope has an angular magnification of -92.00. the length of the barrel is 1.100 m. what are the
Assume blue light (λ = 500 nm) is used to decide the position of an electron to within the wavelength of the light. What will be the uncertainty in the electron’s velocity?
A 3.0-kg cart is rolling along a frictionless, horizontal track towards a 1.3-kg cart that is held initially at rest. What is the total momentum of the system of the two carts at this instant
A sealed glass jar contains air originally at a pressure of 1.00 atmand a temperature of 0° C. Discover the air pressure when the jars heated to 310° C. The linear expansion coefficient of the glass is 1.0310-5 (C°)-1.
A beam of light is incident on a plane mirror at an angle of 32 degrees relative to the normal. What is the angle between the reflected rays and the surface of the mirror?
A cardinal (Richmondena cardinalis) of mass 3.80×10^?2 kg and a baseball of mass 0.145g have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
A cannon is launched at an angle of 45.00 and the cannon ball lands 301 m away. How long was the cannon ball in the air
A golfball rolls off a horizontal cliff with an initialspeed of 11.4 m/s. The ball falls a vertical distance of 15.5m intoa lake below. How much time does the ball spend in the air
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the distance between the two girls
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