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A rod moving in the positive x direction is measured by a stationary observer to have a length of 10.0meters and to be oriented at an angle of 70.0 degrees with respect to the positive x axis. A second observer moving adjacent to the rod and parallel to the rod%u2019s motion, in the positive x direction, measures the rod to be oriented at 5.00 degrees with respect to the positive x axis.
a. Find the speed of the second observer as measured by the stationary observer.
A small moon of a giant planet has an orbital period of 1.43 days and an orbital radius of 4.69 multiply.gif 105 km. determine the mass of the planet
Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to common vertical direction.
A 4.00 kg block is free from rest 2.0m high at the top of a 30 degree frictionless incline. The block makes a head-on elastic collision with another 3.00 kg block initially at rest on a horizontal surface at the bottom of the incline.
You perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your birthday. What is your laser's wavelength expressed in nanometers
What additional experiment can help you decide between these two possibilities.
A light plane is headed due south with a velocity of 157 km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 121 km and their direction is not south but southeast (45.0^circ).
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 32.12 seconds until it hits the ground, how far above the ground was the plan..
The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base.
How much heat does it take to increase the temperature of 4.50 moles of a diatomic ideal gas through an amount 40 if the gas is held at constant volume? The gas molecules can translate and rotate but not vibrate.
Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
At one instant a bicyclist is 49m due east of a park's flagpole, going due south with a speed of 14 m/s. Then 40s later, the cyclist is 49m due north of the flagpole, going due east with a speed of 14m/s. For the cyclist in this 40s interval, what..
Estimate the power radiated by the human body. Be sure to state the estimated values of all relevant quantities. You need only outline your calculations. How does this value compare with the average caloric intake for humans?
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