3 years ago

What is a pickel in a nasty way do?

Physics

2 answers:

katen-ka-za [31]3 years ago

8 0

Answer:

pickle rick

Explanation:

zvonat [6]3 years ago

6 0

Answer:

um not sure but sounds nasty

Explanation:

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A motor does 1000J of work in 18 seconds. What is the power of the<br> motor?

solong [7]

Answer:

55.56 watt

Explanation:

Work (W) = 1000 J

time (T) = 18 sec

power (P) = ?

We know power is the rate of doing work so

p = w / t

= 1000 / 18

= 55. 56 watt

7 0

3 years ago

At 19°C, a rod is exactly 19.11 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 280°C, where the r

Ratling [72]

Answer:

$\alpha = 4.12 \times 10^{-5} per Degree C$

Explanation:

As we know that when we increase the temperature of the rod and the ruler then in that case there will be change in the length of the both.

Due to this the ruler measurement is different from actual length of the rod

So by thermal expansion we know that

$L = L_o(1 +\alpha \Delta T)$

$L = 19.11 (1 + \alpha(280 - 19))$

$L = 19.11(1 + 261\alpha)$

Now for length of unit division of steel scale

$1 unit = 1( 1 + \alpha_s \Delta T)$

$1 unit = (1 + (11 \times 10^{-6})(280 - 19))$

$1 unit = 1.0029$

now the measured length from the scale is given as

$L_{measured} = \frac{L}{1.0029}$

$L_{measured} = \frac{19.11(1 + 261\alpha)}{1.0029}$

$19.26 = \frac{19.11(1 + 261\alpha)}{1.0029}$

$\alpha = 4.12 \times 10^{-5} per Degree C$

8 0

3 years ago

At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball

Dmitriy789 [7]

Answer:

390 N

Explanation:

The net acceleration is:

a² = aₓ² + aᵧ²

a² = (900 m/s²)² + (870 m/s²)²

a = 1250 m/s²

So the net force is:

F = ma

F = (0.31 kg) (1250 m/s²)

F = 390 N

5 0

4 years ago

Plz help

Nikolay [14]

The answer to this is C

7 0

4 years ago

PLEASE SOMEONE HELP ME ILL GIVE THE PERSON BRAINLIEST

Yuliya22 [10]

I believe it would be c

5 0

3 years ago