Category: Physics

What is a wave cycle? Wave cycles are pairs of a maximum value and a corresponding minimum value. The crest front wavelength is the distance between the minimum and the maximum. A min2Max cycle is a pair of a local minimum and the following local maximum. Which is a characteristic of all waves? All kinds […]

Is running 11 mph fast? So in terms of sprinting, your time would be below average for a track sprinter. At 11 miles per hour you would finish the 100 dash in 20 seconds which isn’t that great for a 6th, 7th, or 8th grader runner. However, if you’re not in track then a 20 […]

When was the last partial lunar eclipse 2020? November 29–30, 2020 Penumbral Lunar Eclipse This is the last penumbral lunar eclipse of 2020. Can I see the lunar eclipse in 2020? The final lunar eclipse of 2020 will appear over North and South America, the Pacific Ocean and its neighboring regions on Nov. 29-30. This […]

What is a symbol for a stationary front? A stationary front is represented by alternating blue and red lines with blue triangles pointing towards the warmer air and red semicircles pointing towards the colder air. A noticeable temperature change and/or shift in wind direction is commonly observed when crossing from one side of a stationary […]

What is the SI unit of only current? ampere Can I use 110v in USA? It will be just fine, as long as your electricity is running to US spec. It really can be anywhere from 110V to 120V +/- 5%. Can I plug 120V into 110v? In the US, 110V isn’t a standard voltage. […]

What are some positive and negative effects of migration? Country losing people Advantages Disadvantages Decreases pressure on jobs and resources Gender imbalances are caused as it is typically men who seek to find employment elsewhere. Women and children are left Migrants may return with new skills ‘Brain drain’ if many skilled workers leave What are […]

How do you classify clastic sedimentary rocks? Clastic sediments or sedimentary rocks are classified based on grain size, clast and cementing material (matrix) composition, and texture. The classification factors are often useful in determining a sample’s environment of deposition. What are sedimentary rocks and its classification? Sedimentary rocks are classified based on their texture and […]

What are two examples of the Doppler effect? The drop in pitch of ambulance sirens as they pass by and the shift in red light are common examples of the Doppler Effect. Edwin Hubble made the discovery that the universe expands as a consequence of the Doppler Effect. Where is the Doppler effect used? Doppler […]

How long do hydraulic pumps last? 20,000 hours How do I know if my hydraulic pump is bad? Pump trouble is usually characterized by increased noise, increased heat, erratic operation of cylinders, difficulty or inability to develop full output, decreased speed of cylinders or hydraulic motors, or failure of the system to work at all. […]

Can plate tectonics be proven? What is the cause of plate tectonics? Although this has yet to be proven with certainty, most geologists and geophysicists agree that plate movement is caused by the convection (that is, heat transfer resulting from the movement of a heated fluid) of magma in Earth’s interior. What are the evidences […]