Which of the following is the correct definition for the term inertia? Group of answer choices

an objects tendency to resist a change in motion

a change in the speed or direction of motion

an unbalanced force that opposes motion between two surfaces

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

12. ritu obtained a distinct image of a distant tree on the screen with the of a concave mirror. to find the focal length of the mirror she has to measure the distance between: (a) mirror and the tree. (b) screen and the tree.(c) mirror and the screen. (d) mirror and tree as well as between screen and the tree.