Category: Physics

What weather do occluded fronts bring? An Occluded Front forms when a warm air mass gets caught between two cold air masses. The temperature drops as the warm air mass is occluded, or “cut off,” from the ground and pushed upward. Such fronts can bring strong winds and heavy precipitation. Occluded fronts usually form around […]

What are the 5 outer planets? From left to right, the outer planets are Jupiter, Saturn, Uranus, and Neptune. The gas giants are made up primarily of hydrogen and helium, the same elements that make up most of the Sun. Which planet can you land on? Venus, in theory, can be visited for very short […]

What is correct weight and height for age? Weight and height guide chart Height Weight 5ft 3″ (63″) 107 to 135 lbs. 141 to 163 lbs. 5ft 4″ (64″) 110 to 140 lbs. 145 to 169 lbs. 5ft 5″ (65″) 114 to 144 lbs. 150 to 174 lbs. 5ft 6″ (66″) 118 to 148 lbs. […]

What is the weakest friction? Rolling friction What force causes a resistance in motion when two surfaces are touching? Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged […]

What forces act on an arrow? Two forces act on the arrow while it is in the air. Air resistance acts in the opposite direction to the movement, and gravity acts downwards. How do we represent forces? We can show the forces acting on an object using a force diagram. In a force diagram, an […]

Does Israel have neutron bombs? Israel is also reported to possess a wide range of different systems, including neutron bombs, tactical nuclear weapons, and suitcase nukes. Israel is believed to manufacture its nuclear weapons at the Negev Nuclear Research Center. Does Israel have nuclear capability? Estimates of Israel’s stockpile range between 80 and 400 nuclear […]

How can I increase my observation power? Follow these eight steps and you won’t miss a thing: Know your subject. Slow down and look outwards. Try something new. Improve your concentration by cutting out distractions. Challenge yourself to a mental workout. Test your observation by playing a memory game. Record and consider your observations. Stay […]

How do you determine the direction of current in a magnetic field? We can find the magnetic field that is caused by moving charges using a second right-hand rule. The magnetic field made by a current in a straight wire curls around the wire in a ring. You can find it by pointing your right […]

Why does a red apple look black under green light? When the green light shines on a red apple, the red apple absorbs the green light. Since there is no red light shining on the apple, there is no red light to reflect, so the apple appears black. What color will a red apple appear […]

Where did Pakistan get nuclear weapons? According to a 2001 Department of Defense report, China has supplied Pakistan with nuclear materials and has provided critical technical assistance in the construction of Pakistan’s nuclear weapons development facilities, in violation of the Nuclear Non-Proliferation Treaty, of which China is a signatory. Can Shaheen 3 hit Israel? The […]