15 in a far-off galaxy, an astronomer observes a moon orbiting a planet. the moon stays in orbit because of the planet’s gravity. which scenario would increase the gravity of the planet? a decreasing the distance between the moon and the planet b increasing the distance between the moon and planet c increasing the planet’s inertia d increasing the moon’s inertia

Which statement correctly describes the relationship between frequency and wavelength?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue