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A block slides down a frictionless plane having an inclination of θ = 15.0 degrees. The block starts from rest at the top and the length of the incline is 2.00m (a) Draw a free-body diagram of the block. Discover (b) the acceleration of the block and (c) its speed when it reaches the bottom of the incline.
A spring hanging from the ceiling has an unstretched length of 80cm. What is the amplitude of the resulting oscillation
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 17 m/s, What is the y component of the car's acceleration when it is at point B
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
a 1.0 kg object is moving with a constant velocity 2.0 m/s toward the north. what is the second force that acts on the object
a car with a mass of 1060 kg starts from rest and accelerates toa speed of 10.7 m/s in 15.8 seconds, what is the average power developed by the car's engine
Two stationary positive point charges, charge 1 of magnitude 3.10 nC and charge 2 of magnitude 1.74 nC, are separated by a distance of 36 cm. An electron is free from rest at the point midway between the two charges, and it moves along the line con..
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 147 N/C downward at an altitude of 250 m, Calculate the volume charge density of the atmosphere
a solid cylinder rolls down an inclined plane without slipping. if the center of the mass of the cylinder has a linear acceleration of 2.67 m/s^2
An engine performs 4000 joules of work in 10 seconds. What is the power output in kilowatts and in horsepower
Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
an electron that has a horizontal initial speed of 4.50e6 ms enters a region that has an electric field of 120 vm
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