What is the momentum of a 950 kg car moving at 10.0 m/s?
2 answers:
<h2><u>Given</u> :</h2>
- A 950 kg car moving at 10.0 ms
- Momentum
<u>We have,</u>
- Mass = 950 kg
- Velocity = 10.0 m/s = 10 m/s
<u>We know that,</u>
<h3>→ Momentum = Mass × Velocity</h3><u>Substituting the values we get,</u>
Momentum = 950 × 10
Momentum = 9500 kgm/s
∴ The momentum is 9500 kgm/s
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Answer:
v = (10 i ^ + 0j ^) m / s, a = (0i ^ - 9.8 j ^) m / s²
Explanation:
This is a missile throwing exercise.
On the x axis there is no acceleration so the velocity on the x axis is constant
v₀ₓ = 10 m / s
On the y-axis velocity is affected by the acceleration of gravity, let's use the equation
v_y = - g t
at the highest point of the trajectory the vertical speed must be zero
v_y = 0
therefore the velocity of the body is
v = (10 i ^ + 0j ^) m / s
the acceleration is
a = (0 i ^ - g j⁾
a = (0i ^ - 9.8 j ^) m / s²