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A block of mass 2.60 kg is pushed2.60 m along a frictionless horizontaltable by a constant 16.0 N force directed 22.0° below thehorizontal.
a) Determine the work done on the block by theapplied force.b) Determine the work done on the block by the normal forceexerted by the table.c) Determine the work done on the block by the gravitationalforce.d) Determine the total work done on the block.
Charges of 3.0 nC, -2.0 nC, -7.0 nC, and 1.0 nC are contained inside a rectangular box with length 1.0 m, width 2.0 m, find the electric flux through the surface of the box
A 1600 kg car traveling eastward at 32 m/s collides at an intersection with a 700 kg motorcycle traveling northward at 45 m/s. What is the direction of the car's velocity after the collision
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.05 and a wavelength of 442 is traveling in the direction through empty space. What is the amplitude of the associated electric field
What is the sound level of a sound whose intensity is 6.5 × 10-8 W/m2, What is the intensity of a sound whose sound level is 30 dB
q1. a 3.988x10-26 kg mass particle with negative -1.44x10-18 c charge is initially moving at 50ms parallel to a wire
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
Two small identical conducting spheres are placed with their centers 0.40 m apart. One is given a charge of 1.2 10-8 C, the other a charge of -1.6 10-8 C. Find the electrostatic force exerted on one sphere by the other
The International Space Station, launched in November 1998,makes 15.65 revolutions around the earth each day in a circularorbit. Apply Newton's second law to the space station and find itsheight (in kilometers) above the earth's surface.
27 g of copper pellets are removed from a 300 degrees c oven and immediately dropped into 90 ml of water at 22 degrees
a 0.465 kg wood block is firmly attached to a very light horizontal spring k 165 nm . it is noted that the
Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 27.0 m/s, assuming 83.0% of the rotational kinetic energy can be transformed into translational energy
A thin spherical shell has a radius of 2.3 m and a mass of 450 kg, and its center is located at the origin of a coordinate system. find the gravitational force of attraction between the two shells
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