A stretched string of length L is observed to vibrate in seven equal segments when driven by a 686-Hz oscillator. What oscillator frequency will set up a standing wave so that the string vibrates in two segments?

When one side of the Earth is at high tide, then the opposite side of the Earth is also at high tide. True False

There is a potential energy associated with gravitational andspring forces. Is there also a potential energy associated withfrictional forces? A.

Ryan is examining the energy of the particles in a bar of gold. What is Ryan most likely studying? thermal energy electric energy potential energy internal energy

How to make a tangram with paper?

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

A slow jogger runs a mile in 16 minutes. Calculate the speed in

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?