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lana66690 [7]
3 years ago
6

Which word best describes a good scientific question? narrow-focused unanswerable broad testable

Physics
2 answers:
aleksklad [387]3 years ago
5 0

Answer:

Testable

Explanation:

Because don't you have to test the question to see if its right so It has to be testable

Alja [10]3 years ago
4 0

Answer:

Testable

Explanation:

No ex-planation

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What is the temperature of a gas in which the atoms are moving very very slowly?
pickupchik [31]
Cold.
Example: A frozen object (such as ice) is solid. Its molecules move extremely slow because the object itself isn't moving... It's like the skin on your bod... Imagine that wiggling and writhing on your bones. It's not like a gas, that can move freely and has no specific form or hold.
So again, the answer is Cold. 
5 0
3 years ago
Science Help ASAP please!!! 35 points what is the primary role of the respiratory system in humans.
jolli1 [7]
B) To obtain oxygen

The respiratory system gets rid of carbon dioxide in exchange for oxygen
7 0
4 years ago
Frank gives a box of books a push to the right, which makes it slide across his
valina [46]

Answer:

C

Explanation:

3 0
3 years ago
A 1200-kg car initially at rest undergoes constant acceleration for 9.4 s, reaching a speed of 11 m/s. It then collides with a s
Natalka [10]

To solve this problem we will apply the principle of conservation of energy and the definition of kinematic energy as half the product between mass and squared velocity. So,

KE_i = KE_f

KE_f = \frac{1}{2} mv^2

Here,

m = Mass

V = Velocity

Replacing,

KE_f = \frac{1}{2} (12000)(11)^2

KE_f = 72600J

Therefore the  final kinetic energy of the two car system is 72.6kJ

8 0
4 years ago
What are the horizontal and vertical velocities of a stunt bike that leaves a ramp at 100 km/hr and at an angle of 35 degrees?
Alex787 [66]

Horizontal velocity: 81.9 km/h

Vertical velocity: 57.4 km/h

Explanation:

We can solve this problem by resolving the velocity vector into its component along the horizontal and vertical direction.

The horizontal velocity of the stunt bike is given by:

v_x = v cos \theta

where

v = 100 km/h is the magnitude of the velocity

\theta=35^{\circ} is the angle of projection

Substituting, we find

v_x = (100)(cos 35^{\circ})=81.9 km/h

The vertical velocity instead is given by

v_y = v sin \theta

where

v=100 km/h

\theta=35^{\circ}

Substituting,

v_y = (100)(sin 35^{\circ})=57.4 km/h

Learn more about vector components:

brainly.com/question/2678571

#LearnwithBrainly

4 0
3 years ago
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