Category: Physics

What is the level of intensity of your physical activity in general? Typically, the intensity of physical activity can be described as light, moderate or vigorous. To benefit health, Australia’s Physical Activity and Sedentary Behaviour Guidelines recommend a variety of moderate and vigorous intensity physical activity. What is RPE level? Perceived Exertion (Borg Rating of […]

When we stop pedaling a bicycle it comes to rest after sometime describe the forces responsible for the change in state of motion of the bicycle? Solution. If we stop pedalling a bicycle, moving at a uniform speed, it does not go on moving forever. It eventually comes to rest after some time. This is […]

How much does it cost to get a safe opened? Locksmith Charge to Open Safe Opening Method Used Average Cost Range Open by manual manipulation $150 – $200 Fire Safe by Drilling $200 – $250 In-Floor Safe by Drilling $325 – $475 Money Safe by Drilling $350 – $400 How long does it take a […]

What are the top 3 causes of teenage death? The five leading causes of death among teenagers are Accidents (unintentional injuries), homicide, suicide, cancer, and heart disease. What is the leading cause of death in ages 10 24? Heart disease, which accounted for 18.8% of deaths, ranked second, followed by unintentional injury (11.3%), chronic liver […]

What happens if you connect an ammeter in parallel? If we connect an ammeter in parallel there will be higher flow of current through the ammeter, it would cause a short circuit, resulting in damaging the ammeter and the circuit. Ammeter has a very low resistance. So the current which we measure in a circuit […]

How do they measure weight in England? Weight measurements in the UK, US, Australia and New Zealand In the US, they use pounds (lbs) for their weight while Australia and New Zealand use kilograms. So, a man weighing 90kg would give his weight as 198 lbs in the US and just over 14 stone in […]

Is it hard to get a 9 in GCSE? While getting a 9 in GCSE Maths is difficult, it is not an impossible achievement. Put in the practice and hard work now and you’ll have a very good chance of nailing it in your exams and getting the grade you’re after. What percentage is a […]

Can 200 decibels kill a human? Acoustic grenades can go roughly from 120 decibels to 190 decibels. German researcher Jurgen Altmann showed that a blast of 210 decibels or more affects the inner organs — the lungs — and could cause internal injury that could lead to death. A blast will impact the body, and […]

Why is electricity so cheap in Iceland? This is one of the plants that enables Iceland to produce 100 per cent of its grid electricity from renewable sources. It’s all either geothermal or hydro. Electricity prices are low in Iceland, especially for the aluminum smelting industry. Can you drink the water in Iceland? Yes, it […]

Is it safe to breathe in ozone? When inhaled, ozone can damage the lungs. Relatively low amounts can cause chest pain, coughing, shortness of breath and throat irritation. Ozone may also worsen chronic respiratory diseases such as asthma and compromise the ability of the body to fight respiratory infections. Can ozone cure Lyme disease? Ozone […]