You walk 30 m to the north, then turn 60 to your right and walk another 45 m. How far are you from where you originally started?

Orange juice has a lower or higher viscosity than chocolate syrup

In the first law of thermodynamics, triangle e=q-w, what does q stand for

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you