Two planets of the same mass are observed.

Which of the following distances between the two planets would result in the least gravitational attraction?

A. 90 light years

B. 80 light years

C. 60 light years

D. 50 light years

energy conservation-problems 1. A slingshot fires a pebble from the top of a building at a speed of 14.0m/is. The building is 31.0m tall. Ignoring all frictional effects, find the speed with which the pebble strikes the ground

Determine the stopping distances for a car with an initial speed of 95 km/h and human reaction time of 1.0 s for the following accelerations.

A force of 240.0 N causes an object to accelerate at 3.2 m/s2. What is the mass of the object?

A turtle accelerates from a stop at 3m/s squared to the south for 8s what is the turtles final velocity

A theory is a hyothesis that has been varified by multiple investigations. True or false

To determine waves frequency you must know the what

What is the average speed in miles per hour of the car that traveled a total of 200 miles in 5.5 hours

A solid weighs 277.5 g in air and 212.5 g when totally immersed in the liquid of density 0.9 g / cc. Calculate the density of the solid.

Who first described the double-helix structure of DNA?

Suppose you are holding a basketball while standing still on a skateboard you are and the skateboard have a mass of 50 kg you throw the basketball with a force of 10 N what is your acceleration before and after you throw the ball