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A 2 cm radius marble (i.e. a solid sphere) starts from rest and rolls down a 2.0 m long ramp inclined at 30? without slipping. The ball then rolls along the flat part of the table and rolls off the end of the 1.5 m tall table. Assuming that the marble experiences no air resistance, how far from the edge of the table (horizontally) will the marble hit the floor?
if harry's dog weighs 25N and harry lifts him up to a height of 10 meters, how much work does Harry do
A flatbed truck is carrying a 20.0 kilogram crate up a sloping road inclined 15.0o above the horizontal. Find the maximum acceleration that the truck can have if the crate is to stay in place
Two blocks(m1 = 2.5 kilogram and m2 = 5 kilogram) are tied together by a horizontal string are being pulled across a surface under the application of a constant horizontal force of 47 Newton. Find the acceleration of the two-block system
On wet pavement, the coefficient of kinetic friction may be only 0.25. How fast should you drive on wet pavement
Given a sphere of charge inside a conductor. The sphere has a radius of 5cm. Find the charge on the outisde of the conductor
A tiny 0.0250 microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced metal plates that carry same but opposite charges on their facing surfaces. Determine which plate must be positive, the upper one or..
Two capacitors of capacitance 5.0 μF and 8.0 μF areconnected in series. The 3rd capacitor of 10 μF isconnected in parallel with the 1st capacitor 5.0 μFcapacitor. The network is connected to a battery of 9.0V.
The ground state energy of an electron in an atom can be roughly estimated by assuming the electron is trapped in an infinite square well the length of which is about 0.2 nm, estimate the ground state energy of an atomic electron
From the roof of a tall building, a boy throws a ball of mass m=700 g with initial speed v0 = 33.4 meter per second at an angle θ=27.8° below the horizontal. Obtain how far away from the building does the ball land
A wheel on a game show is given an initial angular speed of 1.22 rad/s. Determine the average torque exerted on the wheel given that it is a disk of radius 0.66 meter and mass 6.4 kilogram
Two charged particles, q1 = ?2.50×10?3 C and q2 = +3.850e-3 C, are separated by a distance of 5.00 cm. What is the electric potential energy of this configuration
In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure between the air inside and the air outside. What is the magnitude of the force on the roof
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