3 years ago

The force applied to the car by one washer is

Physics

2 answers:

N76 [4]3 years ago

5 0

Trust God and you will get every question right

seropon [69]3 years ago

4 0

Answer:

you need to add more details for us to be able to understand the question thxs

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A plane travels at an average speed of 600 kilometers per hour. How long

sdas [7]

Answer:

12 mins

Explanation:

120km/600km = 1/5 or .2

60mins*0.2 = 12 mins

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3 years ago

5) Quiz - NO links

Olegator [25]

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3 years ago

A tennis ball is hit into the air with a racket. When is the balls kinetic energy the greatest?

madam [21]

Answer:

Kinetic energy is maximum when the player hits the ball.

Explanation:

Kinetic energy $=\frac{1}{2} mv^2$ , where m is the mass and v is the velocity.

So kinetic energy is proportional to square of velocity.

Velocity is maximum when the player hits the ball.

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3 years ago

A boat takes off from the dock at 2.5m/s and speeds up at 4.2m/s2 for 6.0 seconds how far has the boat traveled

suter [353]

Answer:

The answer is "91 m"

Explanation:

$v_0 = 2.5 \ \frac{m}{s}\\\\a = 4.2\ \frac{m}{s^2}\\\\t = 6.0\ s\\\\\Delta x=?$

Using formula:

$\Delta x = v_0 t +\frac{1}{2} at^2\\\\$

$= 2.5 \times 6.0 +\frac{1}{2} \times 4.2 \times 6.0^2\\\\= 90.6\ m \approx 91\ m$

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3 years ago

The frequency of sound is 200 Hz. What does it mean? Please help me

Norma-Jean [14]

Explanation:

A wave having a frequency of 200 Hz means that 200 such waves pass through a point per second.

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