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Question: A bat flying toward an obstacle at 10 m/s emits brief, high-frequency sound pulses at a repetition frequency of 75 Hz.
Part A: What is the time interval between the echo pulses heard by the bat?
Please include formulas and show work!
vehicle 1 skidded 150 feet and crashed into vehicle 2. vehicle 2 was parked whennbspvehicle 1 struck it and test skids
what is work done on package by friction.
A ball player hits a home run, and the baseball clears a wall 8.00 m high located 140.1 m from home plate. The ball is hit at an angle of 35.2 to the horizontal, and air resistance is negligible. Suppose the ball is hit at a height of 1.3 m above the..
Consider a block of mass m sliding down an inclined plane andit has three forces acting on it (1) a gravitational force(pointing down). (2) a normal force perpendicular to the surface ofthe plane. (3) a friction force opposing motion down the plan..
What is volume concentration
A skateboarder shoots off a ramp with a velocity of 6.6m/s directed at an angle of 58 degrees above the horizontal. The end of the ramp is 1.2m above the ground. Let the x axis be parallel to the ground,+y direction be vertically upward, and take ..
An object fired at an angle of 19.1° above the horizontal takes 2.61 s to travel the last 15.3 m of its vertical distance and the last 10.3 m of its horizontal distance. With what speed was the object launched
Given the standard molar volume of gas is 22.71 L/mol at a temp of 273.15K and a pressure of 1 bar, what is the value of the ideal gas constant
You toss a ball up in the air with an initial velocity of 8 m/s (immediately after leaving your hand). Use gravity = -9.8 m/s2. What is its acceleration at its peak height
An ac generator has 80 rectangular loops on its armature. Each loop is 12 cm long and 8 cm wide. find the maximum output voltage of this generator
A pole vaulter vaults over the bar and falls onto thick padding. He lands with a speed of 9.8m/s; the padding then brings him to a stop in a time of 0.40s. What is the average force on his body due to the padding during that time interval?
A single constant force F = (3 i + 4j) N acts on a 3.85 kgparticle. What is the change in the potential energy
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