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Determine the x and y components of the following three vectors in the xy plane.
a) A 15-m displacement vector that makes an angle of 23° clockwise from the +y direction.b) A 25-m/s velocity vector that makes an angle of 41° counter clock wise from the -x direction.c) A 36-lb. force vector that makes an angle of 163° counter clock wise from the -y direction.
A proton is at the origin and an electron is at the point x = 0.45nm , y = 0.35nm. Find the electric force on the proton
A 180 g block on a 49 cm-long string swings in a circle on a horizontal, frictionless table at 74 rpm.
a diffraction grating 1.5 mm wide produces the fifth order pie/4 with light wavelength 650nm on the screen 80 mm away. What is the angle of the third order inside the water casing
A spring is hung from the ceiling. A 0.375 -kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
if a drage car had a constant acceleration throughout a quarter mile (402 m) race, what would be the top speed reached
A wheel turns with a constant angular acceleration of 0.640 rad/s^2, Through how many revolutions does the wheel turn in this interval
What is the charge on a 1.0 cm length of wire. What is the net force exerted on the skier.
A charge of 6 μC is distributed uniformly along the circumference of a circle with a radius of 35 cm. The Coulomb constant is 8.98755 × 109 N · m2/C2. How much external energy is required to bring a charge of 50 μC from infinity to the center of the ..
Two masses are connected by a light string that goes over a light, frictionless pulley. determine the maximum height attained by the 2.1-kg mass
A vertical square plate (10' x 10') is used to dam a channel. determine the total resultant force on the plate and the location
Due to a tune-up, the efficiency of an automobile engine increases by 7.00 %. For an input heat of 1290 J, how much more work does the engine produce after the tune-up than before
If the ultimate shear strength of steel is taken to be 2.50x 10^9 Pa, what force is required to punch through a steel plate 2.2cm thick? Assume the superhero's fist has cross-sectional area of 8.00x 10^1 cm2 and is approximately circular.
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