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Ludmilka [50]
3 years ago
5

The treasure map gives the following directions to the buried treasure ​

Physics
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

North

South

East

West

Explanation:

please mark me as brainliest

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4. A group of students made a rocket and launched it vertically upwards with velocity
Aleks04 [339]

Answer:

Approximately 72.9\; \rm m, assuming that the rocket had no propulsion onboard, and that air resistance on the rocket is negligible.

Explanation:

Initial velocity of this rocket: u = 27\; \rm m\cdot s^{-1}.

When the rocket is at its maximum height, the velocity of the rocket would be equal to 0. That is: v = 0\; \rm m \cdot s^{-1}.  

The acceleration of the rocket (because of gravity) is constantly downwards, with a value of a = -g = -10\; \rm m \cdot s^{-2}.

Let x denote the distance that the rocket travelled from the launch site to the place where it attained maximum height. The following equation would relate x \! to u, v, and a:

\displaystyle x = \frac{v^2 - u^2}{2\, a}.

Apply this equation to find the value of x:

\begin{aligned} x &= \frac{v^2 - u^2}{2\, a} \\ &= \frac{\left(0\; \rm m\cdot s^{-1}\right)^{2} - \left(27\; \rm m \cdot s^{-1}\right)^{2}}{2 \times 10\; \rm m \cdot s^{-2}} = 36.45\; \rm m\end{aligned}.

In other words, the maximum height that this rocket attained would be 36.45\; \rm m.

Again, assume that the air resistance on this rocket is negligible. The rocket would return to the ground along the same path, and would cover a total distance of 2\times 36.45\; \rm m = 72.9\; \rm m.

7 0
3 years ago
A ________ ion is created when an electron is removed.
Oksanka [162]
Anion is created when electrons are lost.
5 0
3 years ago
What are some of the physical benefits to be derived from aerobic
VladimirAG [237]
Some of the benefits are increased heart muscles, increase in blood flow, and reduced body fat
6 0
3 years ago
Find the energy in Joules required to lift a 55.0 Megagram object a distance of 500 cm.
fredd [130]

Energy to lift something =

               (mass of the object) x (gravity) x (height of the lift).

BUT ...

This simple formula only works if you use the right units.

Mass . . . kilograms
Gravity . . . meters/second²
Height . . . meters

For this question . . .

Mass = 55 megagram = 5.5 x 10⁷ grams = 5.5 x 10⁴ kilograms

Gravity (on Earth) = 9.8 m/second²

Height = 500 cm  =  5.0 meters

So we have ...

Energy = (5.5 x 10⁴ kilogram) x (9.8 m/s²) x (5 m)

            =  2,696,925 joules .

That's quite a large amount of energy ... equivalent to
straining at the rate of 1 horsepower for almost exactly an
hour, or burning a 100 watt light bulb for about 7-1/2 hours.

The reason is the large mass that's being lifted.
On Earth, that much mass weighs about 61 tons.

7 0
3 years ago
A balloonist drops his camera from a height of 100 m while his balloon is ascending at 5 m/s. How
ExtremeBDS [4]
20 i think is the answer
6 0
3 years ago
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