If a car moves in a circular path with a radius of 7.98 m, then the speed of the car if it goes around in its path once every 5.54 seconds is 9.0459 m/s True or false

Explain how plate tectonics have changed earth’s surface over time. include the role of plate tectonics in the creation of landforms.

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?