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A 5 kg block starts with an initial speed of 8 m/s up a ramp and comes to rest after 3s. The ramp is at a 30 degree angle.
a) Ignoring friction, how far will the block g?
b) What is the work done by friction?
c) What is the coefficient of the kinetic friction?
What will be its length and height at rest
A thin uniform rod (mass = 1.75 kg) swings about an axis that passes through one end of the rod, What is the maximum kinetic energy of the rod
wo small metallic spheres, each of mass m = 0.220 g, are suspended as pendulums by light strings of length L, How long are the strings
A rope is wrapped around a wheel of radius R=2.0 meters. The wheel is mounted with frictionless bearings on an axle through its center. What is the moment of inertia of the wheel
a 520 N physics student stands on a bathroom scale in an 850 kg(including student) elevator that is supported by a cable. find the acclereration of the elevator
A river that is 207 m wide flows due east at a uniform speed of 1.9 m/s. What is the magnitude of the boat's velocity
A cup of newly brewed 330 g cofee is to hot to drink when served at 88 degree celcisus. What is the mass of the ice cube needed in order to cool the coffee to a pleasant 50 degree celsisus
An airplane is flying due north at 180 m/s. The Earth's magnetic field has a northward component of 0.3 mT and an upward component of 0.34 mT. Which wingtip is positively charged
Calculate the electric field within the membrane, if the thickness of the membrane were quadrupled.
W hat is the ratio of an amplitude of the damped oscillations
Charges of -11.5 nC and -22.1 nC are separated by 0.733 m. What is the potential midway between the two charges?
The velocity of an object falling in free fall increases with time. Does the acceleration also increase? Why or why not?
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