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A block of mass 2.10 kg is pushed 2.24 m along a frictionless horizontal table by a constant 19.0 N force directed 27.7o below the horizontal.
a) Determine the work done by the applied force.
b) Determine the magnitude of the normal force exerted by the table.
c) Determine the magnitude of the force of gravity.
d) Determine the net force on the block.
A hiker, who weighs 900 N, is strolling through the woods and crosses a small horizontal bridge. What is the magnitude of the force
A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?
A transmission line is made of a core of copper surrounded by a concentric circular sheath of steel to give it strength. The copper core is 1.0 cm in diameter and the tightly fitting sheath has an outer diameter of 2.0 cm.
Light enters a substance from air at 30 degrees to thenormal. It continues through the substance at 23 degrees tothe normal. What would be the critical angle for this substance
A thermos contains 150cm^3 of coffee at 85 celsius. To coolthe coffee, you drop two 11-g ice cubes into the thermos. What is the final temperature of the coffee
A small loop of area A=7.4 mm^2 is inside a long solenoid that has n=747 turns/cm, find the amplitude of the emf induced in the loop
Consider two (very) long, cylindrical rods, both of radius R. Rod A has a cylindrically symmetric, positive, Find that electric field E(r) as well
The acceleration of a particle is given by ax(t)=? 2.10m/s2 +( 3.03m/s3 )t, What will be the velocity at time t = 3.94s
Water flows through a pipe with circular cross section. The fluid has a radius of 5.0 cm and flows at 2.0m/s. The output has a radius of 2.50 cm. find the output velocity.
Charge of uniform volume density = 1uC/m^3 fills an infinitecylinder of radius +5.cm. The center of the cylinder is on the zaxis, and the cylinder is infinite along the positive and negativez. Determine the total charge enclosed gaussian surface
A Ferris wheel rotating at 20 rad/s decelerates with a constantangular acceleration for -5.0 rad/s2. How many revolutions does it rotate before coming to rest
The distance between the objective and eyepiece lenses in a microscope is 25\; cm. What is the total linear magnification for the microscope
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