What is the magnitude of the horizontal component of the velocity? The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a […]
Which of the following property of a charge can change when it moves freely in a uniform perpendicular magnetic field?
Which of the following property of a charge can change when it moves freely in a uniform perpendicular magnetic field? The magnetic force acts perpendicular to the direction of motion of the proton. It does not change its mass and speed but changes its direction of motion. So both velocity and momentum get changed. What […]
Why do hurricanes never hit California?
Why do hurricanes never hit California? In short, wind direction and cold water are the main reasons we don’t see hurricanes in California. Tropical storms and tropical storms that become hurricanes need warm water to form. The area of 15 degrees north latitude is prime real estate for storms over open water. Is a hurricane […]
What is time intervals for kids?
How many electrons does sodium ion have?
How many electrons does sodium ion have? 10 electrons Why is the sodium ion represented as Na+? Neutral sodium atom (Na) becomes sodium cation (Na+) by releasing an electron. positive charge on the sodium cation is balanced by the negative charge on the chloride, so the ionic compound is neutral. What is the difference between […]
Which appointments must the Senate approve?
Which appointments must the Senate approve? The United States Constitution provides that the president “shall nominate, and by and with the Advice and Consent of the Senate, shall appoint Ambassadors, other public Ministers and Consuls, Judges of the Supreme Court, and all other Officers of the United States, whose Appointments are not herein otherwise provided […]
What are two contact forces examples?
What are two contact forces examples? Examples of contact forces include: Reaction force. An object at rest on a surface experiences reaction force . Tension. An object that is being stretched experiences a tension force. Friction. Two objects sliding past each other experience friction forces. Air resistance. What are contact forces 10 examples? Types of […]
What is the maximum bandwidth of an 802.11 b wireless LAN WLAN?
What is sunlight good for?
What is sunlight good for? Vitamin D is also critical for your immune system, and with consistent exposure to sunlight, you can help strengthen it. A healthy immune system can help reduce the risk of illness, infections, some cancers, and mortality after surgery. What hours should you avoid the sun? To avoid sun damage: Stay […]
What are the causes and consequences of El Nino?
What are the causes and consequences of El Nino? El Nino is essentially caused by the interaction between the surface layers of the tropical Pacific Ocean and the atmosphere over it. The water is warmer due to the trade winds reversing direction or becoming less intense. In contrast El Nino can also bring flooding and […]