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A 270 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0 degree with respect to the horizontal. The coefficient of kinetic friction between the ramp and the log is 0.840, and the log has an acceleration of 0.700 m/s2. Determine what the tension in the rope. N
An object of mass 250 g is attached to the first object, after which the system oscillates with half the original frequency. What is the mass of the first object
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
One mole of a monatomic gass initially at 273 K and 1 atm is compressed isothermally (T constant) from volume 22.4 L to 11. 4 L, Find the final pressure and draw a PV diagram, Labeling the initial and final states 1 and 2
A 0.2kg toy car rolls down ramp. If the car started from rest at a height of 0.30m, At what speed do the two cars move after the collision
A heat engine operates in a Carnot cycle between 90.0°C and 360°C. It absorbs 20,400 J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. What is the magnitude of the spring's displacement when the spring is fully compressed
A transverse electromagnetic plane wave with a frequency of 2.84 MHz travels directly away from you (- z direction). At time t = 0, your magnetic field detector measures a magnetic field of 4.57 × 10-8 Tesla pointing down (- y direction) that further..
The temperature at a point 50 km north of a station is 3 degree C coolor than at the station. If the wind is blowing from the northeast at 20 m s^-1 and the air is being heated by radiation at the rate of 1 degree C H^-1, what is the local temperatur..
a plastic rod that has been charged to -15.0 nc touches a metal sphere. afterward the rods charge is -10.0 nc. what
the coefficient of static friction between the floor of a truck and a box resting on it is 0.30. the truck is traveling
The "tube length" of a microscope is defined to be the difference between the (objective) image distance and objective focal length: L=di%u2212fobjective. How far from the object should this lens be placed
Water flows at a speed of 1.7 m/s throughout a horizontal pipe having a circular cross section 5 cm in diameter. The pipe widens to a diameter of 14 cm. Treat the water as an idea fluid.
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