What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth’s center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.

F = 4.816 × 10 ⁻¹⁰ N

Explanation:

mass of earth M = 5.98 × 10²⁴ m,  mass of the spacecraft m = 2000 kg,

distance between the spacecraft and earth's center

r = 6380 × 10³m + 6.38  ×10⁶ m = 4.07 × 10¹³ m

Formula for force of gravity is

F= G M m / r²  

F = 6.67 × 10⁻¹¹ Nm² /kg² × 5.98 × 10²⁴kg× 2000 kg / (4.07 × 10¹³ m)²

F = 4.816 × 10 ⁻¹⁰ N

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards