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A ball is thrown from the window of a high-rise building with an initial velocity of 5.1 m/s at an angle of 22 deg. below the horizontal. The bill strikes the ground 3.0 seconds after being thrown. Find the height from which the ball was thrown.
The Ed-Scale defines the perfect temperature of a martini to be 14 degrees E and the boiling point of antifreeze to be 100 degrees E. Use this equation to find the freezing point of water in Eds
A resistor draws 5.00A from an ideal 12.0-V battery. If this current is used to calculate the resistance, by what percent will the result be in error
A falling skydiver of mass 86.0 kg accelerates downward at 6.7 m/s2. What is the upward force due to air resistance
a block of mass 12.0 kg is connected to a spring on a horizontal frictionless surface. write the expression for the position of the block as the function of time
Dan is gliding on his skateboard at 2m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 7.00m/s (as measured by an observer on the ground). Dan's mass is 50 kg and the skateboard's mass is 5.00 kg.
A 0.218 kg ball is released from rest at the top of a 56.9 m tall building. Calculate the de Broglie wavelength of the ball
A thick cylindrical shell of inner radius a= 5 cm and outer radius b= 10 cm and has a net charge ZERO. Consider 1m length of the cylinder and find the inner and the outer surface charge densities
The larger molecule HI has a bond length of 160.92 pm (H=1, I=127). its bond's force constant is 314 N/m. what are the frequencies of light for that will excite the lowest energy rotational and vibrational translations
A dance studio has flat mirrors on opposite walls, and multiple images are observed when a person stands between them, What is the image distance for the first image behind the north mirror
A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.60 s later. Find the depth of the well
A particular radioactive sample undergoes 3.60x10^6 decays/s. What is the activity of the sample in the following in curies
NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 740 kg. How much gravitational force does the satellite experience
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