Suppose there's a cannon placed at the base of Mount Mountain. We tilt the cannon at a 45-degree angle, in the direction of the top of the mountain, and fire the 6-kg cannonball. The cannonball exits the cannon at a velocity of 300 metres per second.
Mount Mountain rises at a slope of 30...
I'm planning on cooking some rice tonight and taking it to work with me tomorrow (I won't be reheating it). I can refrigerate it overnight but we don't have a fridge at work so it will be sitting (in a sealed plastic container) at room temperature for about 5 hours. Is that okay, or does it have...