1) Momenum is

Physics

1 answer:

adelina 88 [10]3 years ago

3 0

Answer:

momentum formula = Mass × Velocity

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A .100 kg bullet is flying at 200 m/s. How much energy is the bullet storing due to its motion?

morpeh [17]

KE = 2000 J

Explanation:

KE = (1/2)mv^2

= (1/2)(0.100 kg)(200 m/s)^2

= 2000 J

4 0

2 years ago

If it takes Ashley 10 seconds to run from the batter's box to first base at an average speed

abruzzese [7]

Answer:

65 meters

Explanation:

Time = 10 seconds

Speed = 6.5 m/s

Distance = ?

$Distance = speed\times time\\\\d = 6.5 \times 10 \\d = 65 m$

7 0

2 years ago

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lord [1]

When do you gotta turn it in?

8 0

2 years ago

A 6.3 g bullet leaves the muzzle of a rifle with a speed of 596.2 m/s. what constant force is exerted on the bullet while it is

ivanzaharov [21]

<span>anwser will be

F = ma

where

F = force exerted on the bullet
m = mass of the bullet = 5 gm (given) = 0.005 kg.
a = acceleration of the bullet

Substituting appropriately,

F = 0.005a --- call this Equation 1

Next working equation is

Vf^2 - Vo^2 = 2as

where

Vf = velocity of the bullet as it leaves the muzzle = 326 m/sec (given)
Vo = initial velocity of bullet = 0
a = acceleration of bullet
s = length of the rifle's barrel

Substituting appropriately,

326^2 - 0 = 2(a)(0.83)

a = 64,022 m/sec^2

the anwser will be
Substituting this into Equation 1,

F = 0.005(64,022)

F =320.11 Newtons

Hope this helps. </span><span>
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8 0

3 years ago

250 mL 0.1 M HCl solution is mixed with 250 mL

pishuonlain [190]

Answer:

The concentration of OH⁻ in the mixture is 0.05 M

Explanation:

The reaction of neutralization between HCl and NaOH is the following:

H⁺(aq) + OH⁻(aq) ⇄ H₂O(l)

The number of moles of HCl is:

$n_{HCl} = C*V = 0.1 mol/L*0.250L = 0.025 moles$