3 years ago

Brainliest!!! We observe that it takes 5,3 seconds to cross the distance of 35

Physics

1 answer:

Umnica [9.8K]3 years ago

7 0

Answer:

A) speed = distance / time

= 35 / 5.3

= 6.6 = 7 m/s

b) 7 m/s = 25.2 km/h = 25 km/h

speed = distance / time

time = distance / speed

= 1000 / 25

= 4 hrs = 240 min

You might be interested in

Which lobes of the brain receive the input that enables you to feel someone scratching your back? (2 points)

andrew-mc [135]

Answer: Parietal

Explanation: The parietal lobe is where the primary somatosensory cortex is located. This cortex is where all tactile stimulation is processed in the brain and allows to you detect/feel someone scratching your back.

3 0

3 years ago

The force F shown in Figure 4.30 has a moment of 40 Nm about the pivot. Calculate the magnitude

salantis [7]

$\boxed{\sf \tau=rFsin\theta}$

Put values

$\\ \rm\hookrightarrow 40=2Fsin40$

$\\ \rm\hookrightarrow Fsin40=20$

$\\ \rm\hookrightarrow 0.64F=20$

$\\ \rm\hookrightarrow F=31.25N$

8 0

2 years ago

In a elastic lab what did you change and why?

Vilka [71]

I changed my undershorts. The elastic on the old ones I put on that day was deteriorated, and it completely failed when I dripped lab coffee on it, causing falldown.

7 0

3 years ago

Read 2 more answers

Which of the following wavelengths will produce standing waves on a string that is 3.5 m long?

denpristay [2]

In a string of length L, the wavelength of the n-th harmonic of the standing wave produced in the string is given by:

$\lambda=\frac{2}{n} L$