If instead of swimming against the current you swam directly across the river (by your reckoning) at a speed of 1.00 m/s from left to right, which figure correctly shows the velocity vector with which your friend on the shore would see you moving?

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.