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andrey2020 [161]
3 years ago
12

Missy Diwater the former platform diver for the Ringling Brother's circus had a kinetic energy of 15000 j just to prior to hitti

ng the bucket of water. If Missy's mass is 50 kg, then what is her velocity?
Physics
1 answer:
tatiyna3 years ago
4 0

Missy's velocity is 24.5 m/s

Explanation:

The kinetic energy of an object is the energy possessed by the object due to its motion. Mathematically, it is given by

K=\frac{1}{2}mv^2

where

m is the mass of the object

v is its velocity

In this problem, we know:

K = 15000 J is Missy's kinetic energy

m = 50 kg is her mass

Solving for v, we find her velocity:

v=\sqrt{\frac{2K}{m}}=\sqrt{\frac{2(15000)}{50}}=24.5 m/s

Learn more about kinetic energy:

brainly.com/question/6536722

#LearnwithBrainly

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3 years ago
A zebra starts from rest and accelerates at 1.9 m/s, how far has the zebra gone after 5 seconds
Aliun [14]

Answer:

23.8 m

Explanation:

The distance travelled by the zebra can be calculated by using the equation:

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

where

u is the initial velocity

t is the time

a is the acceleration

For this zebra,

u = 0 since it starts from rest

a=1.9 m/s^2 is the acceleration

Substituting t = 5 s, we find the distance travelled by the zebra:

d=0+\frac{1}{2}(1.9)(5)^2=23.8 m

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3 years ago
10.A car moving at 18 m/s accelerates at -2.5 m/s² as it approaches a stop sign.
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Answer:

Explanation:the time taken to stop is 7seconds

The distance traveled by the car as it breaks is 63m

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3 years ago
Albert dressed as TWO-FACE flips a coin up in the air at an upward velocity of 5.00 m/s. He fails to catch it on the way down an
Colt1911 [192]

Answer:

1.28 m, 14 m/s

Explanation:

At the maximum height, the velocity is 0.

Given:

a = -9.8 m/s²

v₀ = 5.00 m/s

v = 0 m/s

x₀ = 0 m

Find:

x

v² = v₀² + 2a(x - x₀)

(0 m/s)² = (5.00 m/s)² + 2(-9.8 m/s²) (x - 0 m)

x = 1.28 m

The maximum speed is at the bottom of the well.

Given:

a = -9.8 m/s²

v₀ = 5.00 m/s

x₀ = 0 m

x = -8.5 m

Find:

v

v² = v₀² + 2a(x - x₀)

v² = (5.00 m/s)² + 2(-9.8 m/s²) (-8.5 m - 0 m)

v = -13.8 m/s

Rounded to 2 sig-figs, the maximum speed is 14 m/s.

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3 years ago
A _____ tells you what the different symbols and lines represent on a map.
Nesterboy [21]
The answer will be legend 
6 0
3 years ago
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