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Legolas shoots an arrow of mass 20 g horizontally into a baleof hay, striking the hay with a velocityof 60 m/s. It penetrates adepth of 20 cm before stopping. What is the average stopping force acting on the arrow?
Gas is contained in an 6.4 L vessel at a temperature of 20°C and a pressure of 8.2 atm. Determine the number of moles of gas in the vessel
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
A 530.0g bird is flying horizontally at 2.20m/s, not paying much attention, when it suddenly flies into a stationary vertical bar, What is the angular velocity of the bar just after it is hit by the bird
Two people, one at each end of a uniform beam that weighs 400N hold the beam at an angle of 25 degrees to the horizontal
What is the little distance between the speakers for which the interference of the sound waves is destructive.
What is the flow speed of the medicine through the needle. What is the least force the nurse needs to apply to the syringe.
If the heavier fragment lands back at the equal point from which the shell was launched, where will lighter fragment land and how much energy was released in the explosion.
Oily n =1.38 finger.prints on a glass plate n = 1.52 preferentially reflect light with a frequency of 550 mm. What is the thickness of the finger print
If n=10, what is the largest value of the angular momentum l in this shell, How many electrons can be placed in this shell
Unpolarized white light is incident on a po- larizer and then falls on an analyzer whose TA makes an angle of %u03B8 = 33.8%u25E6 with the polarizer, What is the fraction of the original light transmitted through both the polarizer and analyzer
Find out the acceleration of the sled and child
The index of refraction for a certain kind of glass is 1.648 for violet light and 1.619 for red light. find the difference between the angles of incidence of the two rays
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