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mixas84 [53]
3 years ago
11

Use the data table on the left to complete the

Physics
2 answers:
Zina [86]3 years ago
5 0

Answer:

What is the elapsed time for Trial B? - 3.0

What is the average speed for Trial B? - 1.3

Explanation:

Goshia [24]3 years ago
3 0

Answer:

The person ^ is correct the answer is 3.0

And 1.3

Explanation:

you have brains, use them

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There isnt enough sanitidzer(alcohol)what solution to be replaced
Alex Ar [27]

For me: WASH OUR HANDS REGULARLY

3 0
2 years ago
5 What is the kinetic energy of a 28 kg car moving at a velocity of 7 m/s O 1963 98 686 J O 350 nocter diagram, at which point w
Shtirlitz [24]

Answer:

98 joules

Explanation:

1/2 of 28 = 14

14 multiply by 7= 98 joules

4 0
3 years ago
9. How does the length of the hypotenuse in a right triangle relate to the lengths of the legs? (2 points)
konstantin123 [22]
<span>The pythagorean theorem addresses the length of the hypotenuse in relation to the length of the legs. The square root of the length of the hypotenuse is equal to the sum of one leg squared plus the other leg squared. In other words, A squared plus B squared equals C squared where A and B are the lengths of the legs of the triangle and C is the length of the hypotenuse.</span>
6 0
3 years ago
Read 2 more answers
Suppose that you are headed toward a plateau 55 meters high. If the angle of elevation to the top of the plateau is 40degrees​,
Iteru [2.4K]

Answer:

x=65.55m

Explanation:

Let x be the distance to the shore

From trigonometry properties:

tan(40^{o} )=\frac{55m}{x} \\x=\frac{55m}{tan(40^{o} )} \\x=65.55m

3 0
3 years ago
A 1000-kg car is traveling east at 20\:m.s^{-1}20 m . s − 1 and a 1200-kg car is traveling west at 22\:m.s^{-1}\:22 m . s − 1. W
nydimaria [60]

Answer:

490,400 J

Explanation:

Mass of first car, m = 1000 kg

Mass of second car, M = 1200 kg

velocity of first car, u = 20 m/s east

velocity of second car, U = 22 m/s west

The formula for the kinetic energy is

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

where, m is the body and v be the velocity of the body.

Total kinetic energy is given by

k = \frac{1}{2}mu^{2}+\frac{1}{2}MU^{2}

k = \frac{1}{2}\times1000\times20^{2}+\frac{1}{2}\times1200\times22^{2}

k = 200000 + 290400

k = 490,400 J

Thus, the total kinetic energy of the system is 490,400 J.

3 0
3 years ago
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