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Q1. A ball is thrown horizontally from the roof of a building 56 m tall and lands 33 m from the base. What was the ball's initial speed?
Q2. The physics of wind instruments is based on the concept of standing waves. While the player blows into the mouthpiece, column of air inside the instrument vibrates, and standing waves are produced. Though the acoustics of wind instruments is complicated, a simple description in terms of open and closed tubes can help in understanding the physical phenomena related to these instruments. For instance, the flute can be described as an open-open pipe because a flutist covers the mouthpiece of flute only partially. Meanwhile, a clarinet can be described as an open-closed pipe as the mouthpiece of the clarinet is almost completely closed by the reed.
What is acceleration of the elevator
A 1.02 liter flask contains a certain quantity of ideal gas at 315 K. Then an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.60 times its original value. What is a final temperature.
What is the pressure inside the thermos
Determine the greatest vertical displacement of the pendulum
You bring a 350-g wrench into the house from your car. The house is 15 C warmer than the car, and it takes 2.52 kJ of energy to warm the wrench by this amount. Find (a) heat capacity of the wrench and (b) specic heat of the metal it's made from.
Calculate the direction, magnitude and line of action of the vertical and horizontal components of hydrostatic force acting on a surface.
What are the displacement and velocity of the point on the cord. What is the magnitude of the acceleration of one of the liners toward the other because of their mutual gravitational attraction.
A 25 g of copper pellets are removed from a 300 C oven and immediately dropped into 120 mL of water at 18 C in an insulated cup. What will the new water temperature be.
What is the distance between town and johns present location
A 1.86- sound wave travels through the pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as heart beats. The reflected sound is after that mixed with the transmi..
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
A school bus takes 0.89 h to reach the school from your house. If an average velocity of the bus is 21.1 km/h to the east, what is the displacement.
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