Category: Physics

Why don t Rockets go straight up? Why do rockets curve when they fly into space instead of going straight up? A: If a rocket just flew straight up, then it would fall right back down to Earth when it ran out of fuel! Rockets have to tilt to the side as they travel into […]

Will my pool pop out of the ground if I drain it? Inground pools made of concrete or gunite are susceptible to popping out of the ground if drainage is not done properly. Excessive ground water can cause this type of pool to “float” out of the ground when draining is occuring. Can you fix […]

How do I know if my carburetor is rich or lean? Typical symptoms of a rich mixture are: Poor fuel economy. Sluggish acceleration. Choke not needed from cold starts. Sooty or black spark plugs. Sooty or black muffler end pipes. Strong smell of gasoline when the machine is at idle. Uneven running (will often slow […]

How long does an overused muscle take to heal? For a mild strain, you may be able to return to normal activities within three to six weeks with basic home care. For more severe strains, recovery can take several months. In severe cases, surgical repair and physical therapy may be necessary. What is the longest […]

Which claim explains how elastic rebound takes place? The energy released by an earthquake is the result of elastic rebound. Which claim explains how elastic rebound takes place? Pressure builds on rocks until they suddenly collapse. What does elastic rebound theory say? The elastic rebound theory is an explanation for how energy is spread during […]

What is the Joule equal to? One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m). One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. Therefore, one […]

Can a bulb added in a circuit with twisted wires light up? Answer. Answer: Yes,because it is still a complete circuit. What must be true for a circuit to light a bulb? Based on what you have seen, what must be true for a circuit to light a bulb? There has to be a lightbulb […]

Why do I get anxiety driving on the highway? Freeway phobia is really a manifestation of agoraphobia. Exposure therapy means just what it sounds like it means. With the help of a therapist, you gradually increase your time on the freeway, exposing yourself to your fears until they subside. How common is fear of driving? […]

How can we prevent radiation from gadgets? 10 ways to avoid radiation from your gadgets Never carry cellphones on your body. Cellphone manuals say it should be kept at least an inch from your body. Keep your distance when you talk. Toggle data on and off. Calls are out, messaging is in. Cut the cordless. […]

Is the parking brake a separate braking system? A parking brake controls the rear brakes and is a completely separate device from your vehicle’s regular hydraulic brakes. It is in charge of keeping a parked vehicle stationary; it will prevent the car from rolling down a hill or moving. Which wheel does the parking brake […]