A 27-g arrow is shot horizontally. The bowstring exerts an average force of 75 N on the arrow over a distance of 78cm. Determine, using the work-energy theorem, the maximum speed reached by the arrow as it leaves the bow.

Hi Does anyone know hoe to find the skin depth of Nioboium with a 633nm laser? Thanks

Find the critical angle for ice (n=1.31). In a very cold world, would fiber-optic cables made of ice be better or worse that those made of glass ? Why?

a proton accelerates from rest in a uniform electric field of 587 N/C. At some time later, its speed is 2.34*10^6 m/s. What is the magnification of the acceleration of the proton? How long does it take the proton to reach this speed? How far has it moved in this time interval? What is...

On a frictionless horizontal air table, puck A (with mass 0.248 kg) is moving toward puck B (with mass 0.375 kg), which is initially at rest. After the collision, puck A has velocity 0.123 m/s to the left, and puck B has velocity 0.655 m/s to the right.

An airplane traveling at v = 166 m/s emits a sound of frequency 5.50 kHz. At what frequency does a stationary listener hear the sound during each of the following times?

the two principle types of conduction cells in xylem are and ?

a hiker shouts toward a vertical cliff 465m away. The echo is heard 2.7s later. a. What is the speed of sound of the hikers voice in air? b. The wavelength of the sound is 0.750m. What is it's frequency? c. What is the period of the wave?

A force of 240.0 N causes an object to accelerate at 3.2 m/s^2. What is the mass of the object? 0.013 kg 75 kg 240 kg 786 kg

what are possible medeators of stress?