PHYSICS HIGH SCHOOL

On Planet X, an astronaut has maximum walking speed of 1.9 m/s. The astronaut's legs are each 1.3 m long. What is the constant of acceleration due to gravity on Planet X?A. 8.3 m/s2
B. 2.8 m/s2
C. 3.8 m/s2
D. 1.1 m/s2

Answers

Answer 1
Answer:

Answer:

Acceleration due to Gravity:

Explanation:

Here g is acceleration due to gravity. So C. 3.8 m/s2

Related Questions

A proton has a charge of 1.6 × 10-19 C and a mass of 1.67 × 10-27 kg. A proton moves with velocity 1.8 × 105 m/s in the z-direction. A magnetic field with B = 2.1 × 10-1 T points in the y-direction. Find the magnitude and direction of the magnetic force on the proton.What is the angle between the proton’s velocity and the magnetic field?45°90°180°50°I'll report you if you don't actually help. I'd like an actual explanation, please.
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
Scientists have observed that the average sunspots have increased in the last 50 years. Which of these statements best describes an effect of this increase in sunspots? A) Earth's temperature has become cooler. B) Earth's temperature has not changed over time. C) Earth's temperature has become warmer. D) Earth's temperature has reduced by fifty times.
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and freuency of 2.55 Hz.(a) what's the maximum speed of the needle ?(b) what's the maximum acceleration of the needle ?
As the wavelength of electromagnetic radiation increases _______.

A car travels at a consant speed of 18.0m/s for 10.8s.
Determine all unknowns.

Answers

1. Distance: The car traveled a distance of 194.4 meters.
2. Displacement: The displacement is also 194.4 meters.
3. Velocity: The velocity of the car is
18.0 m/S.
4. Acceleration: The acceleration is O

Measuring the amount of deuterium in the universe allows us to set a limit on _________.

Answers

Answer:

the density of ordinary (baryonic) matter in the universe

Explanation:

 Deuterium detection is of interest because the amount of it may be related to the amount of dark matter in the universe, but precise measurements have been difficult to obtain. Due to the way in which deuterium was created in the Big Bang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.

Also, an exact measure of deuterium would be an indicator of the cosmic density of barions (ordinary matter), and that density of barions would indicate whether ordinary matter is dark and is found in regions such as black holes, gas clouds or brown dwarfs, or it is bright and can be found in the stars. This information will help scientists who try to understand the very beginning of our universe.

Two objects with different masses collide and bounce back after an elastic collision. Before the collision, thetwo objects were moving at velocities equal in magnitude but opposite in direction. After the collision,
A. the less massive object had gained momentum.
B. the more massive object had gained momentum.
C. both objects had the same momentum.
D. both objects lost momentum.

Answers

The more massive object will lose momentum after collision while the less massive object will gain momentum after collision.

  • Let the mass of the first object = m₁
  • Let the mass of the second object = m₂
  • let the initial velocities of the two objects = u
  • let the final velocity of the first object after collision = v₁
  • Let the final velocity of the second object after collision = v₂

Apply theprinciple of conservation of linear momentum for elastic collision;

let the heavier object = m₁

m₁u + m₂(-u) = m₁(-v₁) + m₂v₂

m₁u  - m₂u = -m₁v₁ + m₂v₂

where;

m₁u and m₂u  are initial momentum of both objects before collision

m₁v₁ and  m₂v₂ are final momentum of both objects after collision

Thus, from the equation above we can conclude the following, the more massive object will lose momentum after collision while the less massive object will gain momentum after collision.

Learn more here:brainly.com/question/11214803

Answer:A

Explanation:

Given

mass of two objects are  m_1 and m_2

taking m_1>m_2

Suppose u_1  and  u_2 are the velocities of m_1 and

u_1=u and  u_2=-u

therefore after elastic collision velocity of m_1 and m_2/[tex] are [tex]v_1 and v_2

v_1=(m_1-m_2)/(m_1+m_2)\cdot u_1+(2m_2)/(m_1+m_2)\cdot u_2

v_2=(2m_1)/(m_1+m_2)\cdot u_1-(m_1-m_2)/(m_1+m_2)\cdot u_2

for u_1 and u_2

v_1=(m-m)/(m+m)\cdot u+(2m)/(m+m)\cdot (-u)

v_1=(m_1+m_2)/(m_1+m_2)\cdot u=u

v_2=(2m)/(m+m)\cdot u-(m-m)/(m+m)\cdot (-u)

v_2=(3m_1-m_2)/(m_1+m_2)\cdot u

v_2=u+2\cdot (m_1-m_2)/(m_1+m_2)\cdot u

so velocity of mass m_2 is more as compared to m_1

so less massive object gained some momentum

iffany is told that shape A is bigger than Shape B and that Shape B is bigger than shape C. She is then asked about the difference between shape A and Shape C. If Tiffany is in the concrete operational stage, her answer will most likely be: a) "A is bigger than B, but I don't know about C." b) "A is bigger than B, and C is bigger than B, so A is bigger than C." c) "I need a ruler to measure them." d) "I can't tell the difference."

Answers

If Tiffany is in the concrete operational stage, her answer will most likely be: a) "A is bigger than B, but I don't know about C.”

Identify the main renewable energy resources

Answers

The main renewable sources of energy are solar radiation, wind, geothermal, and tides.
The main renewable energy resources are
Tidal energy
Hydroelectric energy
Wind energy
Geothermal energy
Solar energy

Convert 93 nanometer to meters.

Answers

Answer:

9.3e-8 Meters
Other Questions
Five different forces act on an object. Is it possible for the net force on the object to be zero? Explain
After landing from your skydiving experience, you are so excited that you throw your helmet upward. The helmet rises 5.8 m above your hands. What was the initial speed of the helmet when it left your hands? Express your answer to three significant figures and include the appropriate units How long was it moving from the time it left your hands until it returned? Express your answer to three significant figures and include the appropriate units.
An aiplane is traveling at 500 mph for 3.5 hours. how far did the plane travel
Advantages of using low energy appliances