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Karo-lina-s [1.5K]
2 years ago
10

If a Ferrari, with an initial velocity of 14m/s, accelerates at a rate of 60

Physics
2 answers:
ss7ja [257]2 years ago
8 0

Answer:

254

Explanation:

use the formula "final Velocity- initial velocity / time = acceleration"

so "X - 14 /4 = 60"

60 x 4 = X - 14

240 +14 = X

X = 254

sergeinik [125]2 years ago
6 0

Answer:

Explanation:Explanation:

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An inflatable raft (unoccupied) floats down a river at an approximately constant speed of 5.6 m/s. A child on a bridge, 71 m abo
saveliy_v [14]

Answer:

21.28 m

Explanation:

height, h = 71 m

velocity of raft, v = 5.6 m/s

let the time taken by the stone to reach to raft is t.

use second equation of motion for stone

h = ut + \frac{1}{2}at^{2}

u = 0 m/s, h = 71 m, g = 9.8 m/s^2

71 = 0 + 0.5 x 9.8 x t^2

t = 3.8 s

Horizontal distance traveled by the raft in time t

d = v x t = 5.6 x 3.8 = 21.28 m

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2 years ago
Speed is a scalar quantity that describes only the
Anna [14]

Answer:

magnitude of the velocity

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4 0
3 years ago
A 0.20 kg baseball is traveling at 40 m/s toward the batter. The ball is hit by the bat with a force of 200N, and is
Paraphin [41]

Answer:

Time, t = 0.015 seconds.

Explanation:

Given the following data;

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Time, t = 0.2(25 - 40)/200

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Time, t = 0.015 seconds.

Note: We ignored the negative sign because time can't be negative.

8 0
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Direction. Velocity is a vector that describes both speed and direction, while speed is a scalar that describes only speed regardless of direction.
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