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The displacement vectors 38.5 cm at 15.0° and 23.0 cm at 62.0° both start from the origin and form two sides of a parallelogram. Both angles are measured counterclockwise from the x axis.
(a) Find the area of the parallelogram.
cm2
(b) Find the length of its longer diagonal.
cm
Light of wavelength 653.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 83.5 cm from the slit. obtain the width of the slit
Two 27.0 cm focal-length converging lenses are placed 16.5 cm apart. Where will the final image formed by the second lens be located
A 5.0-, 0.732- wire is used to support two uniform 235- posts of equal length, What is the frequency of the sound this wire produces
The ceiling is of height 3.5 m, and the balloons are launched at a velocity of 10 m/s. The acceleration of gravity is 9.8 m/s2. Evaluate at what angle must they be launched to just graze the ceiling?
What torque do his back muscles exert about an axis through his hips.
You are designing a machine for a space exploration vehicle. It contains an enclosed column of oil that is 1.05m tall, What must be the density of the oil
A satellite is placed in orbit 8.40 x 10^5 m above the surface of the planet Jupiter. Find the orbital speed of the satellite
q1. an iron plate 30 cm thick is magnetized to saturation in a direction parallel to the surfaces of the plate. a 20
A uniform ladder of length L and mass 5 kg rests against a smooth, frictionless, vertical wall. Find the minimum angle,between the ladder and the ground at which the ladder will not slip
A 25 turn circular coil of length 5.9 cm produces a magnetic field of magnitude 1.6 mT at its center. Find the current in the loop
Expalin how many revolutions will the car have gone through when the magnitude of its total acceleration is 2.00 m/s^2?
An electric motor rotating a workshop grinding wheel at a rate of 9.70 101 rev/min is switched off. How long does it take for the grinding wheel to stop
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