A motor is used to produce

4.0 waves each second in a string.

What is the frequency of the waves?

F 0.25 Hz

G 15 Hz

H 25 Hz

J 4.0 Hz

if a star 100 light years from earth is beginning to expand into a giant star how long will it take for astronomers to observe this development explain

Which of the following describes when heat is transferred as a form of light? Question 1 options: Radiation Conduction Convection Sublimation

A migrating bird flew across a lake at an average speed of 18 meters per second. Was the distance that the bird flew across the lake less than 21 kilometers?

What is the name given to this group of elements? 9 F 17 CI 35 Br 53 85 At a. halogens b. alkali metals C. transition metals d. noble gases

What is magnum effect?

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.

Period vs string length String length (cm) 100cm, 75cm, 50cm, 25cm Each one below matches the strength length above time 10 periods (s) - trial 1 time for 10 periods (s) - trial 2 time for 10 periods (s) - trial 3

How could you determine the instantaneous speed during a trip?