Category: Physics

How heavy is a size 11 bowling ball? A “rule of thumb” for the kids bowling balls is that they should start by choosing a ball weight that matches their age – a 6 lb. ball for a 6 or 7 years old, a 10 lb ball for a 10 or 11 year old youngster, […]

What is the coefficient of static friction? The coefficient of static friction is the ratio of the maximum static friction force (F) between the surfaces in contact before movement commences to the normal (N) force. How do you find the minimum coefficient of static friction? To find the minimum coefficient of static friction between two […]

What are the main problems in Tokyo? The main issue is overpopulation however, the impact of the overpopulation are the issues that Tokyo is facing. Nevertheless, population density is not something that is easily controllable, which leads to the issues that these densely populated cities face such as water supply and housing shortages. What is […]

Which color has the highest visibility? yellow What is the easiest color on the eyes? Change the color of your screen, the easiest color on your eyes can be dark text on a light background. For example, your eyes can be at their maximum comfort if you use a black colored text on a white […]

Can I plug a 240V into 120V? How can I use 240V AC appliance on a 120V AC Mains without using a step up transformer? The majority of 220V to 240V appliances wont work with just 110VAC. Your best option is to find a 220V outlet. You might need to also find an adapter to […]

Which organs are present in the respiratory system? The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean […]

How much work is done in stretching the spring? Reasoning: The work done in stretching or compressing a spring is proportional to the square of the displacement. If we double the displacement, we do 4 times as much work. How many lbs of force does it take to hold a spring 4ft beyond its natural […]

What are the main factors that affect density altitude? There are three important factors that contribute to high density altitude: Altitude. The higher the altitude, the less dense the air. Temperature. The warmer the air, the less dense it is. Humidity. 80 oF. 90 oF. 100 oF. 110 oF. 120 oF. How does the temperature […]

What do radio waves in microwaves have in common? What do radio waves and microwaves have in common? Both are found next to visible light on the electromagnetic spectrum. Which part of the electromagnetic spectrum has the lowest radiant energy? What is one example of the use of an infrared sensor? Is 5G a microwave […]

What are 3 causes of mutations? Mutations are caused by environmental factors known as mutagens. Types of mutagens include radiation, chemicals, and infectious agents. Mutations may be spontaneous in nature. What are the positive and negative effects of mutations? The majority of mutations are neutral in their effects on the organisms in which they occur. […]