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Two objects with masses of 4.00 kg and 5.00 kg are connected by a light string thatpasses over a frictionless pulley.(a) Determine the tension in the string.(b) Determine the acceleration of each object.(c) Determine the distance each object will move in the first second ofmotion if both objects start from rest.
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of0.695rad/s. After what time will the dog reach the bone
Vector has a magnitude of 7.20 units and makes an angle of 39.5° counter-clockwise from positive x-axis. Vector has a magnitude of 8.00 units and is directed along the negative x-axis.
a stone is projected at a cliff of height h with an initial speed of 49.0 m/s directed at an angle ?0 = 63.0° above the horizontal. The stone strikes at A, calculate the speed of the stone just before impact
Two horizontal forces, 249 N and 165 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to point to the direction of the net force.
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
A 5 kg block slides down an inclined ramp at approximately constant velocity. The ramp angle is 23 degrees counter clockwise from the horizontal. What is the value of the force on the block due to friction between the block and the ramp? Show work..
Consider a gas of neutrons in a nuclear reactor. The neutron density is 10^8 neutrons/cm^3 in an operating reactor which has a core temperature of 535K. Are the neutrons in the reactor core a classical gas or a quantum mechanical gas and how can y..
An electron moves from point A where the potential is Va=+20.0kV to point B where the potential is Vb=- 40.0 kV. what was the change of the system's electric potential
A car of mass 150 kg is moving right with a velocity of 6 m/s and another one of mass 200 kg is moving left with a velocity of 4 m/s. find initial momentum of the system
On a clear day at a certain location, a 150-V/m vertical electric field exists near the Earth's surface. At the same place, the Earth's magnetic field has a magnitude of 4.800 10-5 T. Compute the energy density of the electric field.
A thin film of oil (n=1.26) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, evaluate the minimum thickness of the oil film
imagine that we have a string 1.5 meters long that is fixed at both ends. what is the frequency of the normal mode of the strings oscillation that has 3 antinodes
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