A pickup truck moves at 25 m/s toward the east. Ahmed is standing in the back and throws a baseball in what to him is the southwest direction at 28 m/s (with respect to the truck).
A person at rest on the ground would see the ball moving how fast in what direction?
Question 2
The energy efficiency of a device is
A) the total energy put into the device divided by its useful energy output.
B) its thermal energy output divided by the total energy put into the device.
C) its total energy output divided by the total energy put into the device.
D) its useful energy output divided by the total energy put into the device.
E) the total energy put into the device divided by its thermal energy output.
Information flows from the nucleus to the cytoplasm and back.
The Z scheme, which depicts the energy of an electron as it moves from photosystem II to NADP+
This is the first portrait of George Washington, painted by John Gadsby Chapman. Washington’s right
A view from underneath a Chevrolet pickup truck showing how the pad extensions are used to attach ...
Apply superficial friction to the upper and lower back. Stand to one side. Ask the recipient to lean ...
Dorsal fulling for the back, ribs, and lymphatic reflexes.