Describe how the sound from the radio reaches all parts of the room

Sallys physical education teacher timed her run and recorded the time and distance in the table below. What is her average speed? Time (s) : 1, 2, 3, 4, 5 Distance (m) : 2, 5, 7, 10, 12 A) 3 m/s B) 2.5 m/s C) 2 m/s D) 4 m/s

Which elements have names that describe their properties?

A student, standing on a scale in an elevator at rest, sees that his weight is 997 N. As the elevator rises, the scale reads 1226 N and then returns to normal.

Which element has the symbol Ar? A. Americium B. Arsenic C. Argon D. Antimony

Which of the following is used in Sonata II's prepared piano? A. Small pieces of rubber B. Copper wire C. Coins D. Wooden blocks

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?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.