Aquick usb charger claims its output current is 1.97amp. we know that the standard usb output voltage is 5v. what is the output power of the charger in unit of watt?

Acar is going 5m/s around a bend with a radius of 10m/s why is the accelerant?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

What is the angular momentum of the bar about the axle?