1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vesna [10]
2 years ago
9

Kepler's Laws of Motion explain why ________.

Physics
1 answer:
Nina [5.8K]2 years ago
5 0

Answer:

Rocks and pebbles that hit Earth's atmosphere and burn up are ______. ... an object in motion stays in motion unless acted upon by another force ... Kepler's Laws of Motion explain why ______. ... planets closer to the sun travel faster in their orbits than planets that are far away ... comets have long tails ... objects can move.

Explanation:

You might be interested in
The wave speed of sound waves traveling through four different media was measured at a constant temperature. Results are summari
Kitty [74]

Answer:b

Explanation:

6 0
3 years ago
A projectile is launched horizontally from a height of 8.0 m. The projectile travels 6.5 m before hitting the ground.
spayn [35]

Answer:

5.09 m/s

Explanation:

Use the height to find the time it takes to land:

y = y₀ + v₀ᵧ t + ½ gt²

0 = 8.0 m + (0 m/s) t + ½ (-9.8 m/s²) t²

t = 1.28 s

Now use the horizontal distance to find the initial velocity.

x = x₀ + v₀ₓ t + ½ at²

6.5 m = 0 m + v₀ (1.28 s) + ½ (0 m/s²) (1.28 s)²

v₀ = 5.09 m/s

7 0
3 years ago
Hey stob it.<br> Please help me.<br> Cmon help me.<br> Plz.
Anna [14]

Answer:

3) D: 31 m/s

4) D: 84.84 metres

Explanation:

3) Initial velocity along the x-axis is;

v_x = v_o•cos θ

Initial velocity along the y-axis is;

v_y = v_o•sin θ

Plugging in the relevant values, we have;

v_x = 31 cos 60

v_x = 31 × 0.5

v_x = 15.5 m/s

Similarly,

v_y = 31 sin 60

v_y = 31 × 0.8660

v_y = 26.85 m/s

Thus, magnitude of the initial velocity is;

v = √(15.5² + 26.85²)

v ≈ 31 m/s

4) Formula for horizontal range is;

R = (v² sin 2θ)/g

R = (31² × sin (2 × 60))/9.81

R = 84.84 m

6 0
3 years ago
Biologists have studied the running ability of the northern quoll, a marsupial indigenous to Australia. In one set of experiment
Drupady [299]

Answer:

u_K=0.862

Explanation:

The force of friction between the quails feet and the ground is:

F=m*a

F_K=m*a

F_K=u_k*m*g

u_K*m*g=m*a_c

u_K*g=a

u_K=\frac{a_c}{g}

a_c=\frac{v^2}{r}

So the coefficient of static is solve

u_K=\frac{\frac{v^2}{r}}{g}

u_K=\frac{v^2}{r*g}=\frac{(2.6m/s)^2}{0.80m*9.8m/s^2}

u_K=0.862

4 0
3 years ago
Correctly round the following number to the ten thousandths place<br> 3.68274
Sergeu [11.5K]
The answer to this question is 3.69
5 0
3 years ago
Other questions:
  • which is the of these their statements correctly describes a key difference between aerobic activity and anaerobic activity
    10·1 answer
  • What is the relationship between the line current i l and the phase current i1 in a balanced delta system?
    12·1 answer
  • 11 Initially, a single resistor R 1 is wired to a battery. Then resistorR 2 is added in parallel. Are (a) the potential differen
    13·1 answer
  • Which is best supported by the data in the chart? Current W flows at a higher rate than Current Z. Current Y flows at a lower ra
    9·2 answers
  • A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate of 6.20×105m/s2 for 8.10×10
    10·1 answer
  • A large tuning fork has a lower or higher frequency than a small tuning fork?
    15·1 answer
  • Heat transfers through Earth's systems in different ways. In which atmospheric action can we see evidence of conduction? Cold ai
    13·1 answer
  • Which statement best explains how tectonic activity affects long-term climate change?
    12·2 answers
  • A merry go round at the park is spinning. You stand on the outer edge and are traveling at constant speed of 5 m/s. You walk hal
    10·1 answer
  • Help?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!