What is the received sound frequency
A bat at rest sends out ultrasonic sound waves at 50,000 Hz and receives them returned from an object moving radially away from it at 32.0 m/s. What is the received sound frequency?
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Find the position at which a third charge of +7.50 nC can be placed so that the net electrostatic force on it is zero.
A 2.50 g bullet, traveling at a speed of 465 m/s, strikes the wooden block of a ballistic pendulum, as shown. The block has a mass of 275 g. What is the speed of the bullet/block combination immediately after collision? Find the speed of the bulle
You are driving to the grocery store at 20 m/s . You are 110m from an intersection when the traffic light turns red. What acceleration will bring you to rest right at the intersection
If each particle is moving at a speed of 0.15c relative to the laboratory before the collision, determine the energy of the electromagnetic radiation.
The tank springs a very small leak at it's base, and water sprays out a distance of .6 meters from the edge of the table. What is the water level in the tank?
How much work is done on the tobaggan by the tension force and how much work is done if the same force is done but parallel to the snow?
Three point charges,+5.5 μC, +1.6 μC, and -2.5 μC, lie along the x-axis at 0 cm, 2.5 cm, and 5.2 cm, respectively. What is the force exerted on q2 by the other two charges?
An unknown resistor R is connected to a 10.0 Ω resistor, and the combination is attached to an ideal battery. When the two resistors are combined in parallel, they consume 7.90 times as much power as when they are combined in series. Determi
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