Why do some object float and others sink? Why do some things float and other things sink? It depends on the density of the object. Density is a measure of both how massive those molecules are, and how closely packed together they are. If the object’s total density is greater than that of water, it […]
Why animals can reproduce in large number?
Why animals can reproduce in large number? Animals have limited amounts of energy they can use for reproduction. Animals with high fecundity spend their energy in the production of many offspring that do not require much care. Alternatively, animals with low fecundity produce fewer offspring, and have more energy to care for those offspring. What […]
What is an outlier on a scatter diagram?
What is an outlier on a scatter diagram? An outlier is defined as a data point that emanates from a different model than do the rest of the data. If the outlier is omitted from the fitting process, then the resulting fit will be excellent almost everywhere (for all points except the outlying point). What […]
What affects period of a spring?
What affects period of a spring? The period of a spring-mass system is proportional to the square root of the mass and inversely proportional to the square root of the spring constant. What is the formula for oscillation? The period formula, T = 2π√m/k, gives the exact relation between the oscillation time T and the […]
How much energy is released in nuclear fission of U235?
When you jump from an elevated position you usually bend?
When you jump from an elevated position you usually bend? When you jump from an elevated position you usually bend your knees upon reaching the ground. By doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. When a rifle is fired the bullet moves forward […]
How long have seatbelts been mandatory?
How long have seatbelts been mandatory? 1968 Do cops wear seatbelts? While 86 percent of Americans now wear seat belts, an upcoming study that will be published by California’s Commission on Peace Officer Standards and Training estimates that roughly half of law enforcement officers don’t wear them. What year car doesn’t need seat belts? 1966 […]
What is the best cure for social anxiety?
What is the best cure for social anxiety? Cognitive behavioral therapy is the most effective type of psychotherapy for anxiety, and it can be equally effective when conducted individually or in groups. In exposure-based cognitive behavioral therapy, you gradually work up to facing the situations you fear most. Do I have social anxiety or am […]
Who kills Peter Parker?
Who kills Peter Parker? In Spider-Man’s heroic death in the Ultimate universe (Earth-1610), he takes a bullet for Captain America shot by The Punisher, who then regrets shooting Spidey and turns himself in. Who has Peter Parker slept with? Peter Parker slept with his roomate’s girlfriend, Michelle Gonzalez during a one-night stand. by the way, […]
What does the T yellow sign mean?
What does the T yellow sign mean? Remember, the yellow color on the sign means that it is warning sign. It tells you to use caution when you approach the intersection. You don’t have to stop at an uncontrolled intersection, unless it is necessary. What is a chevron road sign? This sign warns you of […]