3 years ago

What is the resultant of the two vectors shown?

Physics

1 answer:

BARSIC [14]3 years ago

5 0

Answer:

B is the right answer of the following statement

You might be interested in

Is the arctic ocean larger than the indian ocean?

Alik [6]

The Arctic Ocean is the smallest ocean. It is more than five times smaller than Indian and Atlantic Oceans.

5 0

3 years ago

An average skater averages 11 m/s over the first 5 seconds of a race. find the average speed required over next 10 seconds to av

Gelneren [198K]

Answer:

usa

Explanation:

6 0

4 years ago

The howler monkey is the loudest land animal and can be heard up to a distance of 2.5 km. Assume the acoustic output of a howler

bearhunter [10]

Answer:

10⁻¹² W / m²

Explanation:

The feeble sound that a man can hear is of the vale which measures 0 on decibel scale . The intensity of sound in terms of J / m² .s is 10⁻¹² W / m² .

So the intensity of sound of monkey at 2.5 km must be 10⁻¹² W / m² .

4 0

4 years ago

True or False: Waves with shorter wavelengths have more energy.<br><br> False<br><br> True

fgiga [73]

False because they all travel at the same rate

7 0

3 years ago

An athlete with a mass of 65.5 kg is in a cross country race, and at one instant he has a speed of 4.20 m/s. (a) What is his kin

lions [1.4K]

Answer:

(A) Kinetic energy will be 577.7 j

(b) Factor by which kinetic energy will change is 4

Explanation:

We have given mass of the athlete m = 65.5 kg

He has a speed of 4.20 m/sec

So v = 4.20 m/sec

(a) Kinetic energy is given by $KE_i=\frac{1}{2}mv^2=\frac{1}{2}\times 65.5\times 4.20^2=577.71J$

(B) Now he wishes to doubles his speed So now speed = 4.20×2 = 8.40 m/sec

Now kinetic energy is $KE_f=\frac{1}{2}mv^2=\frac{1}{2}\times 65.5\times 8.40^2=2310.84j$

So the factor by which kinetic energy will change $=\frac{KE_F}{KE_I}=\frac{2310.84}{577.7}=4$

3 0

3 years ago