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A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. The plate is 6.50 cm thick (vertical dimension) and covered with water (n = 1.33) to a depth of 11.8 cm. Calculate the apparent thickness of the plate as viewed from above the water. (Assume nearly normal incidence of light rays.) cm
If you place the box on a dolly of mass 5.3 {rm kg} and with coefficient of rolling friction 1.3×10−2, illustrate what horizontal acceleration would that 171 {rm N} force provide?
A Federation starship ( 2.20×10^6kg ) uses its tractor beam to pull a shuttlecraft ( 2.20×10^4kg ) aboard from a distance of 12.0km away. The tractor beam exerts a constant force of 4.0×104N on the shuttlecraft. Both spacecraft are initially at..
A 4.0 kg block is released from rest at the top of a 30 degree frictionless incline. The block makes a head on elastic collision with another 3.0 kg block initially at rest on a horizontal surface at the bottom of the incline.
A diffraction grating produces a first-order maximum at an angle of 25.0 degree. What is the angle of the second-order maximum
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
A parallel-plate capacitor with only air between the plates is charged by connecting it to a battery, A voltmeter reads 46.0V when placed across the capacitor, What is the dielectric constant of this material
Emilie's potter's wheel rotates with a constant 2.20rad/s2 angular acceleration. What was the angular velocity of the wheel at the beginning of the 3.30s interval
The number of radioactive nuclei in a particular sample decreases to one-eighth of the original amount in 21 days. What is the half-life of the these nuclei
Two masses, M=3.8kg and m=2kg, are hung over a massless, frictionless pulley. What is the downward acceleration of mass M
Calculate the rate of heat conduction through house walls that are 13.0cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors.
A shopper in a supermarket pushes a cart with a force of 52 N directed at an angle of 25° below the horizontal. What is the net work done on the cart by all forces
A mountain climber stands at the top of a 52.8m cliff hanging over a calm pool of wat. Find the velocity of the first stone at the instant both stones hit the water
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