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A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 30o by the horizontal. If there is friction among the ramp surface and crate with μk = 0.2, using energy concept what is the velocity of the crate at the bottom of the ramp?
A car of mass 2000kg is lifted up a a distance of 30m by a crane in 1 min. A second crane does the same job in 2 min. Do the crane consume the same or diffrent amounts of fuels
A uniform marble rolls down a symmetric bowl, starting from rest at the top of the left side. The top of each side is a distance above the bottom of the bowl. How far up the smooth side will the marble go
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge.
Three equal point charges, each with charge 1.95 , are placed at the vertices of an equilateral triangle whose sides are of length 0.400 . What is an electric potential energy of the system? (Take as zero the potential energy of the three charges ..
A wheel is spinning at 16 rad/s. Itundergoes an angular acceleration of 26rad/s2 until it reaches an angular velocity of478 rad/s. Determine how long it took to spin up
In order better to map the surface features of the Moon, Calculate the satellite\'s kinetic energy, gravitational potential energy, and total orbital energy
Determine the theoretical equation for the dependence of Period of the Physical Pendulum to location of the pivot point for a solid bar of length L. This will be T(x) - Period as a function of pivot point position. Mathematically determine minima ..
A motor with a brush-and-commutator arrangement, has a circularcoil with radius 1.6 cm and230 turns of wire. The magnetic field has magnitude 0.060 T, and the coil rotates at 580 rev/min.
A house has a floor area of 120 m2 and an outside wall that has an area of 27 m2. determine the magnetic flux that passes through the floor
At a steel mill a 50 Kg chunk of iron at 22 Celsius is heated to it's melting point , completely melted , How much energy is required to heat the iron to it's melting point
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field B = 0.3 T k hat. Calculate the magnitude of the torque on the loop
A solid puck with radius R1 = 0.9 m and mass M = 1.4 kg is sitting on a frictionless table. What is the angular acceleration of the puck in rad/s2
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