3 years ago

If 10 waves pass a point each second and their wavelength is 30m, what is their speed?

Physics

1 answer:

svet-max [94.6K]3 years ago

5 0

Answer:

300m/s

Explanation:

velocity = frequency(wavelength)

Since 10 waves pass a point each second, frequency is 10

therefore, speed = (10)(30 = 300m/s

You might be interested in

Three 1.5V cells are connected in series in a circuit. What is the total potential difference?

lorasvet [3.4K]

Answer:

4.5V

Explanation:

1.5x3= 4.5

4 0

3 years ago

A 0.20 kg mass is oscillating at a small angle from a light string with a period of 0.78 s.

Scorpion4ik [409]

Answer:

L = 15 cm

Explanation:

T = 2π√(L/g)

L = g(T/2π)²

L = 9.8(0.78/2π)²

L = 0.151027... m

L = 15 cm

7 0

3 years ago

Read 2 more answers

Which has more KE, a large truck moving at 50m/s or a bicycle moving at 10m/s?

klio [65]

The truck has more KE than the bike

8 0

3 years ago

Read 2 more answers

List three ways regular physical activity contributes to wellness.

pentagon [3]

Answer:

Explanation:

Exercise controls weight. Exercise can help prevent excess weight gain or help maintain weight loss. ...

Exercise combats health conditions and diseases. ...

Exercise improves mood. ...

Exercise boosts energy. ...

Exercise promotes better sleep. ...

Exercise puts the spark back into your sex life. ...

Exercise can be fun … and social!

6 0

3 years ago

I need help with some graph.<br><br> Which graph shows acceleration?

matrenka [14]

Answer:

The first graph

Explanation:

Graph A shows acceleration.

4 0

2 years ago

Read 2 more answers