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A box is sliding down an incline tilted at an angle 14.0° above horizontal. The box is sliding down the incline at a speed of 1.70 m/s. The coefficient of kinetic friction between the box and the incline is 0.380. How far does the box slide down the incline before coming to rest?
A man is lifting a 50kg rock. This weelbarrow is the first kind of lever, and the middle of the wheel is the fulcrum. How big is the man's force on the wheelbarrow to lift the rock
Metal disks are initially spinning on cushions of air, in a standard rotational dynamics apparatus. What is the final angular velocity of the two disks
A plane is headed eastward at a speed of 156 m/s. A 20.0 m/s wind is blowing southward at the same time as the plane is flying. what is The velocity of the plane relative to the ground
A vessel whose walls are thermally insulated contains 2.3 kg of water and 0.35 of ice, all at the temperature of 0.0 . The outlet of a tube leading from a boiler in that water is boiling at atmospheric pressure is inserted into the water. How many..
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
A man stands on the roof of a 19.0 -tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 42.0 above the horizontal. Calculate the horizontal distance from the base of the building
A rock of mass 0.210 kg falls from rest from a height of 20.8 m into a pail containing 0.429 kg of water. determine the rise in temperature of the rock
A 2.5 kg stone is dropped from a height of 4m. What is its momentum on impact
One end of a copper rod is in thermal contact with a hot reservoir at 995 K, Find the entropy change of cooler reservoir
A monochromatic light i incident on a single slit of width of 0.1 mm, and a diffraction pattern is formed at a screen which is 0.7 m away from the slit. The second order bright fringe is at a distance 2 mm from the center of the central maximum.
A proton moves through a magnetic field at 31.5% of the speed of light. what is the magnitude of the magnetic force acting on the proton
The wind exerts on a flower the force 0.755 N horizontally to the east. Find the vector torque of the wind force about the base of the stem
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