A mobile at the art museum has a 2.0 kg steel cat and a 4.0 kg dog suspended from a lightweight cable as shown in the figure below. It is found that θ1=20∘ when the center rope is adjusted to be perfectly horizontal. What are the tension and the angle of the rope 3?

In science and physics what is the standard unit of measure for speed?

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 125-g sample was heated to 96.3°c and placed into a calorimeter containing 85.9 g of water at 20.0°c. the heat capacity of the calorimeter was 14.2 j/k. the final temperature in the calorimeter was 24.5°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.