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Type of tactile surface to surface ballistic missile developed by the Soviet Union during the Cold War?
scud
What was the type of tactical surface to surface ballistic missile developed by the Soviet Union during the Cold war?
SCUD
Why does atmospheric pressure decreases in summer season?
In the summer, the air near the Earth's surface becomes warmer and expands, causing it to rise. As warm air rises, it creates lower pressure at the surface, leading to a decrease in atmospheric pressure. This change in pressure is also influenced by the movement and distribution of air masses in the atmosphere during the summer season.
What happens during a volcano?
During a volcano eruption, hot magma from beneath the Earth's surface rises to the top, causing pressure to build up. When the pressure becomes too high, the magma is forcefully expelled along with gases and volcanic ash. This can lead to the formation of lava flows, ash clouds, and pyroclastic flows that can devastate the surrounding area.
When is the intrapleural pressure become positive?
Intrapleural pressure becomes positive during forced expiration or coughing when the muscles contract forcefully to increase the pressure within the thoracic cavity. This positive intrapleural pressure helps to push air out of the lungs.
What causes low pressure over the land during the day?
During the day, low pressure over land is caused by the heating of the Earth's surface, which warms the air above it. This warm air rises, creating a region of lower pressure at the surface. This process is known as thermal low pressure.
When atmospheric pressure on a pond remains constant during hot weather what happens to the force of air on the surface of the pond?
When atmospheric pressure on a pond remains constant during hot weather, the force of air on the surface of the pond also remains constant. Atmospheric pressure is not affected by temperature changes alone, so the force exerted by the air on the pond's surface stays the same.
What is always negative in a healthy person during normal breathing - intrapulmonary or intrapleural pressure?
In a healthy person during normal breathing, the intrapleural pressure is always negative. This negative pressure helps to keep the lungs inflated and allows for the expansion of the thoracic cavity during inhalation. Intrapulmonary pressure, on the other hand, fluctuates with breathing; it becomes negative during inhalation and positive during exhalation.
How can a shell get stuck in a rock?
A shell could get stuck in a rock if it becomes lodged in a crevice or crack on the rock's surface during strong currents or waves. Over time, with the pressure of the water and other sediment moving against it, the shell can become firmly wedged in the rock.
What happens when pressure in ventricles becomes lower then pressure in atria?
When the pressure in the ventricles becomes lower than the pressure in the atria, the atrioventricular (AV) valves open. This allows blood to flow from the atria into the ventricles, filling them in preparation for the next heartbeat. This occurs during the diastolic phase of the cardiac cycle, facilitating efficient blood circulation throughout the heart.
Does a gymnast exert more pressure on the floor when she does a handstand or when she does a split?
A gymnast exerts more pressure on the floor when she does a handstand. This is because during a handstand, her entire body weight is concentrated onto her hands, whereas during a split, the weight is distributed over a larger surface area.
When magma reaches the exterior of the Earth's crust it becomes?
When magma reaches the exterior of the Earth's crust, it becomes lava. Lava is molten rock that flows onto the surface during volcanic eruptions.
