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You shoot a 47-g pebble straight up with a catapult whose spring constant is 310 N/m. The catapult is initially stretched by 0.20 m. How high above the starting point does the pebble fly? Ignore air resistance.
______ m
Two identical positive charges exert a repulsive force of 6.2 x10-9 N when separated by a distance of 3.6 x10-10 m. compute the charge of each.
What is the new momentum of the puck. What is the length of pipe.
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.
A meterstick moving at 0.888c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer
In a test explosion, a detonating hydrogen bomb briefly achieves a temperature of 10 million degrees Kelvin
A tuning fork with a frequency of 440 Hz is held just above the top of a uniform glass tube containing water. What is the speed of sound in air
A 2.93kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 9.83kg cylindrical pulley, Find the angular acceleration of the pulley
define How much charge is on each plate.
A baseball bat is 1 meter long and is made of wood with density 525 kg/m^3. If the bat is held such that the point of rotation is 5.0 cm from the thin end, what is the rotational inertia of the bat
A 5.00 uF and a 7.00 uF capacitor are connected in series, and this combination is connected across a 48.0V potential difference. Calculate the potential difference across first one
A parallel-plate capacitor has 3.95 cm2 plates that are separated by 4.29 mm with air between them. If a 11.2 V battery is connected to this capacitor, how much energy does it store? The value of the permittivity of a vacuum is 8.8542 × 10 ^?12 C^..
a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle ? = 30°. What is the angular speed of the cylinder about its center as it leaves the roof
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