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Question: A lens made of fused quartz (n = 1.46) has a focal length of +50cm when it is in air.
Question 1: What is the focal length when it is in oil?
I just want the right answer thanks and express your answer using two significant figures.
A rod is being used as a lever, as shown in the figure below. The fulcrum is x1 = 1.79 m from the load and x2 = 3.81 m from the applied force. If the load has a mass of 12.8 kg, what force must be applied to lift the load?
The air table is approximately 25 cm squared. If the incline has a rise of 1 cm over the distance, what is the maximum velocity up the slope
At the start of a race, a four-man bobsled team pushes their sled as fast as they can along a 50 m flat starting stretch. find the speed of the sled right before the team jumps on the sled
An electric motor rotating a workshop grinding wheel at a rate of 81 rev/min is switched off. Suppose the wheel has a steady negative angular acceleration of magnitude 1.90 rad/s2.
You dip your finger into a pan of water three times each second, producing waves with crests that are separated by 0.16 m. Determine the frequency of these water waves
why has patient confidentiality become a more difficult issue to deal with in the present health care
A ball of mass 0.300 kg that is moving with a speed of 7.2 m/a collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
If the piston has a cross sectional area of 0.0100 m^2 and negligible mass, how high would it rise when the temperature is raised to 250°C.
an 8 ohm speaker is connected across the output terminals of a power amplifier that delivers 72 w. what is he current
A laboratory vacuum pump can reduce the pressure to 1.0 × 10^-7 Pa. If the volume of the chamber is 0.500m^3 and the temperature is 27°C
a 3.77-kg ball of clay is thrown downward from a height of 3.47 m with a speed of 4.81 ms onto a spring with k 1690
A hare and a tortoise compete in a race over a straight course 1.00 km long. The tortoise crawls at a speed of 0.200 m/s toward the finish line. For how long in time was the hare stationary
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