If KE is kinetic energy and v is velocity, which of these graphs would be a straight line? Choose the correct answer. KE versus V O KE versus v2 KE2 versus v KE2 versus v2

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.