If we double the initial speed v_0, while keeping alpha the same, the maximum he

Question

If we double the initial speed v_0, while keeping alpha the same, the maximum height, y_max, will... (Check only one box). Stay the same Be doubled Be tripled Be quadrupled If we perform the same shot on the planet with half earth's gravity, the maximum distance, x_max, will... (Check only one box) Stay the same Be doubled Be halved Be quadrupled If we double the mass of the bullet, with everything else remaining the same, the maximum distance, x_max will... (Check only one box) Stay the same Be doubled Be halved Be quadrupled

Explanation / Answer

Maximum height reached

H = Vo2 sin2alpha / 2g

simply if we put alpha same and double the vo then height we also be doubled

Horizontal range

r = v2 sin2a / 2g

if we reduce the value of g the the distance will be doubled

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