The highest barrier that a projectile can clear is 24.7 m, when the projectile is launched at an angle of 23.0 ° above the hori
1 answer:
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Answer:
Explanation:
Given:
- gravitational field strength of moon at a distance R from its center,
- Distance of the satellite from the center of the moon,
<u>Now as we know that the value of gravity of any heavenly body is at height h is given as:</u>
∴The gravitational field strength will become one-fourth of what it is at the surface of the moon.
Answer:
Energy = 18.3 Kilowatt-hour
Explanation:
Given the following data;
Power = 1220 Watts
Time = 30 * 30 = 900 minutes to hours = 900/60 = 15 hours
To find the energy consumption;
Power can be defined as the energy required to do work per unit time.
Mathematically, it is given by the formula;
Making energy the subject of formula, we have;
Energy = power * time
Energy = 1220 * 15
Energy = 18300 Joules
To convert energy to Kilowatt-hour;
Energy = 18300/1000
Energy = 18.3 Kilowatt-hour
Answer:
The work done by the force is 1000 J.
Explanation:
Given:
Mass of object (m) = 10 kg
Acceleration of the object (a) = 5 m/s²
Displacement of the object (S) = 20 m
Using Newton's second law, we have:
Force = Mass × Acceleration
Plug in the given values and solve for force 'F' acting on the object. This gives,
Now, work done by the force 'F' is equal to the product of force 'F' and the displacement it cause in its direction which is 20 m.
Therefore, the work done by the force is given as:
Work = Force × Displacement
Plug in the values given and solve for 'W'. This gives,
Therefore, the work done by the force is 1000 J.