TIMED TEST! 10 POINTS! Three pulses with amplitudes of -1 cm, 3 cm, and 7 cm pass through point Y on a string at the same time. The displacement of point Y will be

A- 0cm
B- 3cm
C- 9cm
D- 11cm

If the speed of a particle triples ,by what factor does its kinetic energy increase?

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?