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A film of oil, with an index of refraction of 1.48 and a thickness of 1.80 cm, floats on a pool of water. A beam of light is incident on the oil at an angle, theta = 52.2° to the vertical.
Find the angle the light beam makes with the vertical as it travels through the water.
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.30kg, and on this particular planet its weight is 41.5N. what is its acceleration
The model airplane in Figure 5.6 is flying at a speed of 11.6 m/s on a horizontal circle of radius 19.9 m. The mass of the plane is 1.12 kg. What is the net work done on the plane
The position of a mass oscillating on a spring is given by x=(8.3cm)cos[2pi t/(0.53s)]. Obtain the frequency of this motion
Suppose a tank contains 770 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. The temperature is changed from 293.2 to 295.6 K. What is the increase in the internal energy of the neon?
A 0.500 kg block is attached to one end of a 4.00 g string. The other end of the string is secured to the center of a frictionless tabletop. What type of force must the tension in the string provide
A swimmer is capable of swimming 0.50m/s in still water. At what upstream angle must the swimmer aim, How long will it take her
A skateboarder in a death-defying stunt decides to launch herself from a ramp on a hill. With what velocity does the skateboarder land on the slope
A barge has a mass of 27,500 kg and is 13.2 meters wide and 31.5 m long. Find the mass of the iron one that the barge is carrying
the pressure increases by 1.0 x 104 nm2 for every meter of depth beneath the surface of the ocean. at what depth does
A 2.40-m-long string is under 29.0 N of tension. A pulse travels the length of the string in 60.0 ms. What is the mass of the string?
What mass of water at 23.0 °C should be allowed to come to thermal equilibrium with a 1.57-kg cube of aluminium initially at1.50 multiplied by 102 °Cto lower the temperature of the aluminium to 69.8 °C? Suppose any water turned to stream subsequently..
At the beginning of a new school term, a student moves a box of blocks by attaching a rope to the box and pulling with a force of F= 84.9N at an angle of 65 degrees, as shown in the figure. The acceleration of gravity is 9.8 m/s2.
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