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Questions and Answers
Questions and Answers
What is the unit of displacement in the given text?
What is the unit of displacement in the given text?
- Kilometer per hour (km/h)
- Meter (m) (correct)
- Second (s)
- Meter per second (m/s)
What is the value of acceleration in the given text?
What is the value of acceleration in the given text?
- 10m/s
- 3m/s2
- 4m/s
- 6m/s2 (correct)
What is the formula for displacement in the given text?
What is the formula for displacement in the given text?
- $S = ut + \frac{1}{2}at^2$ (correct)
- $S = ut + (v_2 - v_1)t$
- $V^2 = U^2 + 2as$
- $V = u + gt$
What is the value of the gravitational acceleration (g) in the given text?
What is the value of the gravitational acceleration (g) in the given text?
What is the unit of impulse in the given text?
What is the unit of impulse in the given text?
What is the formula for momentum in the given text?
What is the formula for momentum in the given text?
In the context of physics, what does the term 'S.H.M.' stand for?
In the context of physics, what does the term 'S.H.M.' stand for?
What is the formula for calculating the escape velocity (Ve) of an object?
What is the formula for calculating the escape velocity (Ve) of an object?
What is the unit of measurement for torque (t) in physics?
What is the unit of measurement for torque (t) in physics?
What does 'C.G.S.' stand for in the context of units of measurement?
What does 'C.G.S.' stand for in the context of units of measurement?
What does the term 'Polar Satellite Launch Vehicle (PSLV)' refer to?
What does the term 'Polar Satellite Launch Vehicle (PSLV)' refer to?
What does 'M.A.' stand for in the context of simple machines?
What does 'M.A.' stand for in the context of simple machines?
What is the formula to calculate potential energy (P) in physics?
What is the formula to calculate potential energy (P) in physics?
What does 'S. H. M.' stand for in the context of periodic motion?
What does 'S. H. M.' stand for in the context of periodic motion?
What does the term 'C.G.S.' represent in physics?
What does the term 'C.G.S.' represent in physics?
'Ve' refers to which type of velocity in physics?
'Ve' refers to which type of velocity in physics?
Questions and Answers
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Study Notes
Study Notes
Displacement and Acceleration
- Unit of displacement is typically measured in meters (m).
- Acceleration is often expressed in meters per second squared (m/s²).
Fundamental Formulas
- The formula for displacement can vary, but commonly, it's represented as ( s = ut + \frac{1}{2}at^2 ) where ( u ) is initial velocity, ( a ) is acceleration, and ( t ) is time.
- Gravitational acceleration is denoted by ( g ) and its approximate value is ( 9.81 , m/s² ).
Impulse and Momentum
- The unit of impulse is Newton-seconds (N·s) or equivalently, kg·m/s.
- Momentum (p) can be calculated using the formula ( p = mv ) where ( m ) is mass and ( v ) is velocity.
Special Terms and Concepts
- 'S.H.M.' stands for Simple Harmonic Motion, indicating periodic oscillations in physics.
- Escape velocity (( V_e )) is calculated with the formula ( V_e = \sqrt{\frac{2GM}{r}} ), where ( G ) is the gravitational constant, ( M ) is the mass of the celestial body, and ( r ) is the radius.
Torque and Measurement Systems
- Torque (τ) is measured in Newton-meters (N·m).
- 'C.G.S.' stands for Centimeter-Gram-Second, a system of units in physics.
Specific Vehicles and Machines
- 'Polar Satellite Launch Vehicle (PSLV)' refers to an Indian launch vehicle designed to place satellites in polar orbits.
- 'M.A.' stands for Mechanical Advantage, a measure of the force amplification achieved by using a tool or machine.
Energy and Motion
- The formula for potential energy (P) is given by ( P = mgh ), where ( m ) is mass, ( g ) is gravitational acceleration, and ( h ) is height.
- 'Ve' typically refers to escape velocity, the minimum speed required for an object to break free from a gravitational field.
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