Apparatus: A dynamic trolley, ticker timer, ticker tape, mass blocks, metre stick, trolley runner way
Ticker-timer
Trolley
String
Pulley
Ticker-tape
Mass
Set up the apparatus as shown above or as in any Physical Science textbook
1. What do you think could be the function of the mass block in this experiment?​

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600

Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?