Asecond student repeats the experiment in (b) using a temperature sensor instead of
a thermometer. the temperature sensor is connected to a data logger. the data logger
records the temperature every 0.1 s for 20 minutes. sketch its curve

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.