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A 330g airtrack cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00*10^-6 kg*m^2 and a radius of 1.35 cm. a 255-g mass hangs from the other end of a string and is released. Write newtons second law for each of the three objects.
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 20.0 m/s at an angle 49.0 degrees, What is the distance between the two girls
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 5.0 Wb from 14.0 Wb in a time of 0.020 s. What is the resistance of the wire
A 1,699-kg satellite orbits the Earth in a circular orbit with a period of 6,016 s. How high above the Earth's surface is the satellite's orbit
Suppose a heat engine takes in 420 J of energy from a hot reservoir and performs 30 J of work in each cycle.
an 8.5 m long wire of resistance 20.6 \(\Omega\) carries a current of 6.6, What is the magnitude of the electric field in the wire
A dipole is located at the origin, and is composed of charged particles with charge +e and -e, separated by a distance 9 10-10 m along the y axis
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters
A 99 kg girl dives off a raft 2.25 square meters floating in a freshwater lake. By how much does the raft rise in cm
If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion
Two small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
A child complains that her milk is too hot. It is indeed too hot at 90o C. what is the temperature of the mixture
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 5.0 m/s. What is the speed in the third segment
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