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How would you do this problem Person A aims at a bulls eye 30m away with an arrow If the arrow strikes 1m below the bulls eye then what is the velocity of the arrow?
This Problem Requires Two Dimensional analysis and two of the following formulae: Distance = 1/2 x Accelleration x Time2 Vilocity = Accelleration x Time Distance = Vilocity x Time A picture is always very helpfull in solving a problem like this: I-----------------------------------------------30 m-------------------------------------I Gravitational Accelleration (a) = 9.8m/s2 Because D2=1/2at2, t= + or - the square root of (2 times 1m)/(9.8m/s2) There for the time (t) is: t = 0.451753951453 Because D1=vt,V= 30/t There for the vilocity (V) is: V= 66.4 meters per second
What is the rate of change of vilocity?
The rate of change of velocity os called acceleration (usually given the letter 'a' in equations). The SI unit is metres per second, per second (m/s squared).
Can a body moving with uniform speed have variable velocity?
Yes it can.When a body moves in a circular path keeping its speed uniform then it will have variable vilocity as vilocity is the speed in a particular direction and while moving in a circular path its direction keeps changing and so does vilocity
Are speed and vilocity vectors?
Yes, both speed and velocity are physical quantities that involve the concept of direction. Speed is a scalar quantity that represents the rate at which an object moves, while velocity is a vector quantity that includes both the speed and the direction of motion.
What is Muzzle vilocity of 2 mk4 rifle?
Could you define mk4? If you mean the M4 carbine, currently used by the US military, it is about 2900 fps. If you mean the .303 caliber #4Mk1 used by British forces in WW II, it is about 2441 fps.
What direction is the net force on a falling skydiver before she reaches terminal vilocity?
The net force on a falling skydiver is directed downwards, which is the force of gravity acting on the skydiver. This force causes the skydiver to accelerate as she falls until she reaches terminal velocity.
An object has 0 vilocity but it cant have 0 average speed justify?
The correct term is velocity, not velocity.There is no reason why an object cannot have 0 velocity and 0 average speed - relative to some fixed reference point. I assume that your school, for example, has 0 velocity and 0 average speed.
What will happen to kinetic energy if vilocity is doubled?
Kinetic energy = (1/2)mv2, that is, (1/2) x mass x speed squared. As you can see, it is proportional to the square of the speed. Twice the speed would cause four (22 or 2 x 2) times the kinetic energy.
What is the chemical formula for calcium metal?
What Is The Formula What Is The Formula What Is The Formula For Calcium Phosphate ?
When a formula is in an active cell the underlying formula is visible in the what Formula Bar or Worksheet or Status bar or Name Box?
If there is a formula in the active cell, then the formula will be displayed in the formula bar and the result of the formula will appear in the cell.
Where is the location where the data will appear in Excel?
In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.In a cell and in the formula bar.
What is the relationship between empirical formula and formula unit?
A formula unit is an empirical formula.
