All categories

4 years ago

A space shuttle is sitting stationary at the launch pad.

Physics

1 answer:

beks73 [17]4 years ago

3 0

Answer: D. potential energy: high

kinetic energy: zero

Explanation:

I'm not a certified expert so please correct me if i'm wrong

You might be interested in

Which stage of the grieving process does closure occur?*

Alecsey [184]

Remorse is the answer

4 0

4 years ago

Problem 4: (use energy methods) When s = 0, the spring on the firing mechanism is unstretched. If the spring is pulled back to s

olga_2 [115]

Answer:

Find the attachments for complete solution

5 0

3 years ago

Describe the difference between the three states of matter in terms of movement behavior at room temperature and how they intera

yuradex [85]

In solids, the atoms are closely bound to each other. The only movement possible for the atoms in this state of matter is vibration. Solids have a fixed shape. Therefore when they are put in a container, the solids remain in their initial shape.

In liquids, the atoms are loosely bound compared to atoms in solid. And the atoms are free to vibrate and to slide past each other. The liquids have fixed volume but have no fixed shape. Therefore, when they are poured into a container, their volume will be the same, but the liquid will take the shape of the container.

In gas, the atoms are very loosely bound. and the atoms are very free to vibrate and move through space. Gases do not have either fixed volume or a fixed shape. Therefore, when they are poured into a container they take the volume and the shape of the container.

5 0

1 year ago

A gun is fired with angle of elevation 30°. What is the muzzle speed if the maximum height of the shell is 544 m? (Round your an

Artemon [7]

Answer:

206.62313 m/s

Explanation:

u = Muzzle speed

g = Acceleration due to gravity = 9.8 m/s²

$\theta$ = Angle at which the bullet is fired = 30°

h = Maximum height = 544 m

Maximum height is given by

$h=\dfrac{u^2sin^2\theta}{2g}\\\Rightarrow u=\sqrt{\dfrac{2gh}{sin^2\theta}}\\\Rightarrow u=\sqrt{\dfrac{2\times 9.81\times 544}{sin^2(30)}}\\\Rightarrow u=206.62313\ m/s$

The muzzle speed is 206.62313 m/s

6 0

4 years ago

In an inelastic collision involving an isolated system, the final total momentum is

Aleksandr-060686 [28]

Answer: B) exactly the same as the initial momentum.

Explanation:

An inelastic collision occurs when the elements that collide remain together after the collision, and althogh the kinetic energy is not conserved because is transformed into other kinds of energy (thermal energy, for example), the linear momentum does.

This means the initial momentum before the collision will be equal to the final momentum after the collision:

$p_{o}=p_{f}$

8 0

4 years ago

Read 2 more answers