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An airplane is on a heading of [North 80 degrees East] with an airspeed of 550 km/h. A wind blows the plane off course in the direction [North 60 degrees West] at 60km/h. Find the ground speed of the airplane in km/h.
Calculate the power of the corrective lens required by a hyperopic eye whose near point is at 100.0 cm
An alpha particle (charge +2e, mass 6.64x10^-27) moves head onat a fixed gold nucleus (charge +79e). what was the initial speed of the alpha particle
use the biot savart to compute the magnetic field at the center of a matalic ring. the ring has a radius of 10^-6 m, compute the magnetic field at the center of the ring
A car, starting from rest, accelerates for 5 seconds until its wheels are moving with an angular velocity of 1000 rad/s. What is the angular acceleration of the wheels?A car, starting from rest, accelerates for 5 seconds until its wheels are moving w..
Describe the proper placement of the multimeter when measuring voltage in an electric circuit?
A crate with a weight of 50N rests on a horizontal surface. A person pulls horizontally on it with a force of 10N and it does not move. To start it moving, a second person pulls vertically upward on the crate. If the coefficient of static friction is..
The hydrogen spectrum has a red line at 656 nm and a violet line at 434 nm. What angular separation among two spectral lines obtained by a diffraction grating that has 4160 lines/cm? (Suppose that the light is incident normally on the gratings.)
q1. on a cool morning while the temperature is 13.0 c you measure the pressure in your car tires to be 20.0. after
calculate the ratio of earths rotational kinetic energy due to its rotation around its axis and the translational
Chromium is produced by reacting with its oxide with aluminium. If 304 g of Cr2O3 and 108 g of Al completely react to form 204 g of Al2O3 how many grams of Cr are formed.
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
Blue light of wavelength 446nm passes through a diffraction grating with a slit spacing of 1.5×10 ?3mm and makes a diffraction pattern on the wall. How many bright fringes will be seen
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