3 years ago

A 40 kg shell is flying at a speed of 72 km/h. It explodes into two

Physics

1 answer:

viva [34]3 years ago

5 0

Answer: This is true

Explanation: v2=800/25= 32m/s

You might be interested in

To the nearest tenth, what is the area of the shaded segment when JA=8ft ??

Murrr4er [49]

$A=\dfrac{1}{6}\pi 8^2-\dfrac{8^2\sqrt{3}}{4}\approx 5.8\;[ft^2]$
Answer: <span>C. 5.8 ft squared</span>

7 0

3 years ago

Read 2 more answers

Miguel's parents drove him to a track meet that was 305 km away from the school. It took them 3 hours, which included a 30 minut

OverLord2011 [107]

A., 101.7 km/h is the correct answer for this question

6 0

3 years ago

Starting from rest, a crate of mass m is pushed up a frictionless slope of angle theta by a horizontal force of magnitude F. Use

ludmilkaskok [199]

Answer:

v = sqrt[2*(F*h*cot(theta)-mgh)/m]

Explanation:

Work = KE + Ug

F*r=1/2mv^2+mgh

1/2mv^2=F*r-mgh

v=sqrt[2(F*r-mgh)/m]

r=h/tan(theta)=h*cot(theta)

6 0

3 years ago

The phrase terminal velocity can best be defined as

Anna007 [38]

None of these are a good definition; a good definition would be "the maximum velocity that an object can fall at." however the best answer out go those is c. the constant velocity of some falling objects.

8 0

3 years ago

Read 2 more answers

Pretty Easy question please answer only 20 minutes left:

Anna35 [415]

Answer:

D. Conclusion.

Explanation:

3 0

3 years ago