A student decides to measure the muzzle velocity of a pellet from his gun. He points the gun horizontally. He places a target on a vertical wall a distance 3.27 m away from the gun. The pellet hits the target a vertical distance 0.264 m below the gun. What is the speed of the pellet?

8.36 m/sec

Explanation:

Since muzzel velocity is required to be determined i-e velocity with which bullet leaves the gun. So we have to suppose that bullet has no acceleration and moves with constant velocity.

a=0 m/sec2

Vi=0 (initially the bullet is at rest)

S= 3.27 m

using m/s

S= Vit+1/2at2

==> 3.27 = 0+0.5×

==> = 6.54

==> t=2.56 sec

Now using S= V×t

==> V = S/t

==> V= 3.27 × 2.56 = 8.36 m/sec

ι вєℓιєνє ιт ιѕ тнє fιяѕт ¢нσι¢є(α.)

нє ѕнσυℓ∂ ѕмιℓє ρσℓιтℓу αи∂ ѕρєαк тσ тнє ρєяѕσи ωнσ ιѕ ιитєяяυριиg αfтєя тнє ∂ιѕ¢υѕѕισи

нσρє ι ¢συℓ∂ нєℓρ.

  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is