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1. Does the shape of the balloon affect how far (or fast) the rocket travels?
2. Does the length of the straw affect how far (or fast) the rocket travels?
3. Does the type of string affect how far (or fast) the rocket travels? (try fishing line, nylon string, cotton string, etc.)
4. Does the angle of the string affect how far (or fast) the rocket travels?
1.) Hold the baseball and sheet of paper side by side. Predict which one will travel with the faster motion when released. Then drop them both at the same time. Did your prediction match the results?
The initial temperature is 276 K. The temperature is increased until a value is reached when one-half of the mercury has spilled out. Ignore the thermal expansion of the glass and mercury, and find this temperature in kelvins.
Calculate the period of a ball tied to a string of length 0.3 m making 6.9 revolutions every second. Answer in units of s, Calculate the speed of the ball
A room with dimensions 10 x 10 x 20 meters is filled with air at 20 degrees C, 101 kPa and relative humidity 0.8. What is the mass of water vapor in the room, in units of kg
What conditions must occur for two atoms to be isotopes? How is average atomic mass determined?
A pair of narrow, parallel slits separated by 0.240 mm are illuminated with the green component from a mercury vapor lamp (λ = 546.1 nm). The interference pattern is observed on a screen 1.27 m from the plane of the parallel slits.
An iron meteorite melts when it enters the Earth's atmosphere. calculate the minimum velocity the meteorite must have had before it entered Earth's atmosphere
Calculate the peak output voltage of a simple generator whose square armature windings are 5.50 cm on a side
How long (in m) must a flute be in order to have a fundamental frequency of 262 Hz (this frequency corresponds to middle C on the evenly tempered chromatic)
A pendulum clock keeps time by the swinging of an attached mass at the end of a massless string of length L, What is the angular position of the mass at t = 0.246s
An initially stationary 4.1 kg object accelerates horizontally and uniformly to a speed of 12 m/s in 3.3 s. how much work is done on the object by the force accelerating it
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 4. 10-14 J/m3. What is the rms value of the electric field of this radiation
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