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A bat flying at 5.60 m/s is chasing aninsect flying in the same direction. If the bat emits a 40.0-kHzchirp and receives back an echo at 40.4 kHz, what is the speed ofthe insect? (Take the speed of sound in air to be 340 m/s.)
In 1992, David Engwall of California used a slingshot to launch at 62 g dart. The dart traveled a distance of 477 m (almost 5 football fields). how far was the slingshot stretched
An expandable cylinder has its top connected to a spring with force constant 2 x10^3 N/m. The cylinder is filled with 6 L of gas with the spring relaxed at a pressure of 1.0 atm and a temperature of 20°C.
Two charged particles, q1 = ?2.50×10?3 C and q2 = +3.550e-3 C, are separated by a distance of 5.00 cm. find the electric potential energy of this configuration
the intrinsic magnetic dipole moment of the electron has magnitude 9.33 x 10-24 a middotm2. in other words the electron
the new earth-pluto supershuttle line boasts that it can take you between the two planets which are about 5.0 h apart
charges are placed on an equilateral triangle all angles are equal and equal to 60 degrees. the length of each side of
a hollow spherical shell with mass 1.55 kg rolls without slipping down a slope angled at 39.0.part a find the
Two blocks are pressed together, compressing a spring, the system is then released from rest on a level, frictionless surface. the spring is not attacthed to either block and drops to the surface after it is expanded. i need to demonstrate whether..
Find time constant if the ball's amplitude has decreased to 2.20 cm after 51.0 oscillations? Explain your answer.
a proton is released from rest inside a region of constant uniform electric field e1 pointing due north. 22.3 seconds
Two capacitors are connected in parallel across the terminals of a battery. What is the voltage of the battery
if the fundmental source of a sound wave is a vibrating object, what is the fundamental source of an electomagnetic wave
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