Select the correct answer. Which statement is true for a car that first goes around a curve of radius rat a constant speed v, and then goes around the same curve at half
the original speed?

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Which feature of a heating curve indicates a change ofn state