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The drawing shows a laser beam shining on a plane mirror that isperpendicular to the floor. The beam's angle of incident is37.8°. The beam emerges from the laserat a point that is 1.10 m from the mirror and 1.80 m above the floor. After the reflection, how far from the base of the mirrordoes the beam strike the floor?
A microwave oven of mass 12.5kg is pushed a distance 8.00m up the sloping surface of a loading ramp inclined at an angle of 36.2? above the horizontal, What is the work done on the oven by the force
An electric dipole with dipole moment P=(3.24 i + 4.30 j)(1.56 x 10^-30 C*m) is in an electric field E=(4055 N/C) i, What is the potential energy of the electric dipole
Coherent light that contains two wavelengths, 660 nm and 470 nm, passes by two narrow slits with a separation of 0.280 mm and an interference pattern is observed on a screen which is a distance 4.40 m from the slits.
A constant voltage of5.00 V has been observed over a certain time interval across a 3.00H inductor. How long was this time interval
two circular coils carry the same current but one coil has twice the diameter of the other one. if the larger coil
An alpha particle ( a doubly ionized helium atom with a mass of 6.64 x 10^-27 kg) is traveling with a velocity v=1x10^6 m/s j, What direction is the magnetic field above
An air-track glider attached to a spring oscillates between the 10 cm mark and the 60 cm mark on the track. The glider completes 10 oscillations in 48 s. What is the maximum speed of the glider
an outfielder throws a 0.145kg baseball to the shortstop with a speed of 30m/s at an angle of 20 degrees above the horizontal. How far does the ball travel
At a county fair, a boy takes his teddy bear on the giant Ferris wheel. Unfortunately, at the top of the ride, he accidentally drops his stuffed buddy. The wheel has a diameter of 16.7 m, the bottom of the wheel is 3.55 m above the ground and its rim..
q1. at the point of fission a nucleus with 98 protons is divided into two smaller spheres each with 49 protons and a
Material found with a mummy in the arid highlands of southern Peru has a _6^14 text(C) activity per gram of carbon that is 74.0% of the activity percent initially
A laser emits a cylindrical beam of light 2.6 mm in diameter. what is the rms value of the electric field in the laser beam
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