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
Gwar [14]
3 years ago
6

An astronaut throws a rock. the rock travels through outer space at a constant velocity. which statement applies to the motion o

f this rock?
A- an unbalanced force is acting on the rock, causing it to accelerate.
B-the rock will undergo constant acceleration until a force acts on it.
C- The rock will continue on its current path until an unbalanced force acts on it.
D- The force that makes the rock move through space is equal to its mass divided by its velocity
Physics
2 answers:
frez [133]3 years ago
7 0

This is an example of Newton's first law of motion:


An object at rest will remain at rest unless an unbalanced force acts upon it. Similarly, a moving object will remain moving in a straight line at constant velocity unless an unbalanced force acts upon it.


The answer is C.

Anika [276]3 years ago
5 0

Answer:

B.  a force equal to zero

You might be interested in
what is the position of centre of curvature for concave and convex mirror show with the help of diagram if you can​
Anon25 [30]

it is the point at infinity where it is at a distance from the curve equal to the radius of curvature lying on the normal vector. Sorry no diagram

8 0
3 years ago
Batman (95kg) is standing on top of a 50m high building looking out over the city of Gotham. Given that he uses the potential en
Oksanka [162]

Answer:

47 kJoules (kJ)

Explanation:

Potential enegy on Earth is given by the relationship:

P.E. = mgh, where m is mass, g is the acceleration due to Earth's gravity, and h is height. Since we are given metric values, we will look for an answer that is consistent with Joules, the metric measure of energy. 1 Joule is defined as 1 kg*m^2/s^2, so we wnat units of kg, m, and sec.

We are given:

m = 95kg

h = 50 meters

Earth's gravity, g is 9.8 m/s^2

Enter the data:

P.E. = mgh

P.E. = (95kg)(9.8m/s^2)(50m)

P.E. = 46550 kg*m^2/s^2 or 46550 Joules(J)

Since we only have 2 sig figs, and since 1kJ =- 1000J

We can state the potential energy is 47kJ.

Spiderman has 47kJ of potential energy for the start of any dive back to Earth. [He needed that same amount of energy to reach that height, but we don't know from where it came. A jump, helicopter, beamed up by Scotty, or tossed up by Doctor Octopus.]

3 0
11 months ago
A particle is projected from a point on a horizontal plane and has an initial velocity of 28root 3 m/s at an angle of 60 degree
Lelechka [254]

Answer:

uujjjjjctc7tox7txr9ll8rz8lr5xl8r6l8dl85x8rl5x8rl5x8rl5xrx8l58rk5xr8l5xr6l8xr68lc

4 0
2 years ago
Why do all freely falling objects have the same acceleration
iren2701 [21]
They are falling under the sole influence of gravity all objects<span> will </span>fall<span> with the </span>same<span> rate of </span><span>acceleration needless of there size</span>
8 0
2 years ago
Read 2 more answers
If you push an elephant and mouse with the same force, which would accelerate the least, why?
Nataly_w [17]
Ofcoure the elephante as the elephant has more weight
4 0
3 years ago
Read 2 more answers
Other questions:
  • An airplane flies at an altitude of 36,000 km and is traveling at a velocity of 300.0 km/h to the north, but the tailwind is 20.
    14·2 answers
  • Describe two ways in which heat is transported in the biosphere
    6·1 answer
  • • Describe the importance of a commonly used measuring system. Be prepared to give two examples of why having a common system of
    7·1 answer
  • The law of suggests that the orbit of planets is not circular but.
    9·2 answers
  • A SpaceX rocket launched from the Boca Chica space port must attain a speed of 10000 m/s during the first 6 minutes of flight. U
    8·1 answer
  • Can anyone help me with this? <br>the question : find the value of the resistors​
    10·1 answer
  • IF a car trip 400 km in four hours what is the rate of speed that a car is traveling?
    14·1 answer
  • A toy dart gun has a spring with k= 128 N/m. How much force does it take to pull the spring back 0.0500 m? (Unit = N)​
    13·2 answers
  • Why do ice cubes float to the top of a glass of water?
    8·2 answers
  • Control rods are used to slow down the reaction in the reactor core when the core becomes too hot. please select the best answer
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!