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Question1
Friend of yours travels by you in his fast sports car at a speed of 0.550 c. It is measured in your frame to be 4.20 m long and 1.10 m high.
a) What will be its length and height at rest?
b) How numerous seconds would you say elapsed on your friend's watch when 10.0 s passed on yours?
c) How fast did you appear to be travelling to your friend?
d) How various seconds would he say elapsed on your watch when he saw 10.0 s pass on him?
Question2
A golf ball with an initial speed of 119 m/s lands exactly 204 m downrange on the level course. Neglecting air friction, what least projection angle would achieve this result? The acceleration due to gravity is 9.8 m/s^2. Respond in units of degrees.
A copper ball with a radius of 1.5cm is heated until its diameter has increased by 0.17mm .Assuming an initial temperature of 21?C
Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.50-kg ball swings downward and strikes a 4.60-kg ball that is at rest, How high does each ball swing after the collision
Logan is given an initial speed of 4.00 m/s from the top of a 20 degree incline. when he reaches the bottom of the incline
An ionized deuteron (a particle with a charge) passes through a velocity selector whose perpendicular magnetic and electric fields have magnitudes of 43 mT and 7.8 kV/m
Three parallel plate capacitors are connected in series. These capacitors have identical geometries, determine the dielectric constant of the material with which it is filled
On a hiking trip, you are walking through a canyon with vertical walls and are closer to one wall than the other. find the width of the canyon
A bucket filled with water has a mass of 48.00 kg and is attached to a rope that is wound around a 0.08 m radius cylinder. What torque does the bucket produce around the center of the cylinder.
You want to examine the hairy details of your favorite pet caterpillar, using a lens of focal length 9.1 cm that you just happen to have around. what angular magnification do you achieve
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
A coin placed on a turntable rotating at 36.1 rev/min will stay there if its center is placed no further than 7.1cm from the axis of rotation. find the maximun distance the center of the coin can be placed
A laser beam is directed at the top mirror from the left edge of the bottom mirror. Elucidate what is the smallest angle of incidence with respect to the top mirror, such that the laser beam
The bright yellow sodium line in the sodium spectrum is actually a pair of closely spaced lines at 589.0 nm and 589.6 nm. Find the angular separation between the two sodium lines in second order
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